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Journal articles on the topic 'Mammography'
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1
Levy, L. "Mammographie numériqueDigital mammography." Gynécologie Obstétrique & Fertilité 31, no. 10 (October 2003): 856–66. http://dx.doi.org/10.1016/j.gyobfe.2003.08.005.
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Moulion Tapouh Jean Roger, Djanteng Seuji Priscille, Dongmo Fomekong Sylviane, Nwatsock Joseph Francis, Onana Yannick Richard, Mbede Maggy, Maleu Mbah Félicité, and Moifo Boniface. "Mammography supply for breast cancer screening at the eve of Universal Health Coverage in Yaounde city (Cameroon, Central Africa)." Journal Africain d Imagerie Médicale (J Afr Imag Méd) Journal Officiel de la Société de Radiologie d’Afrique Noire Francophone (SRANF) 16, no. 2 (June 18, 2024): 51–56. http://dx.doi.org/10.55715/jaim.v16i2.590.
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RÉSUMÉ Introduction : Le cancer du sein reste le cancer le plus répandu chez les femmes dans le monde. Le Cameroun a adopté une politique annuelle de dépistage par mammographie pour les femmes âgées de 40 ans et plus. Objectif : Évaluer la capacité de l'offre actuelle de mammographie à répondre aux besoins de dépistage du cancer du sein dans la ville de Yaoundé. Méthodes : Etude transversale ciblant les services de radiologie comportant une unité de mammographie dans la ville de Yaoundé (Cameroun, Afrique Centrale) de janvier 2021 à juin 2021. Nous avons collecté la géolocalisation, le nombre de mammographies réalisées par mois et le coût d'une mammographie de dépistage dans chaque service radiologie. La capacité était définie comme le nombre d'unités de mammographie disponibles pour 10 000 femmes âgées de 40 ans et plus. Résultats : A Yaoundé, 37,78% (17/45) des services de radiologie disposaient d'un appareil de mammographie, et 76,47% (13/17) de ces appareils étaient en état de fonctionnement au moment de l'étude. Le nombre médian de mammographies réalisées par mois dans chaque service était de 15 [8-60], et le coût médian d'une mammographie de dépistage était de 53.55 US dollars [48.68 - 64.9]. Les unités de mammographie étaient principalement situées dans le centre administratif, mais elles étaient accessibles à moins d'une heure de route depuis n'importe quel endroit de la ville. La capacité était estimée à 0,32 pour 10 000 femmes âgées de 40 ans, ce qui suffisait à peine à couvrir 19,54 % des besoins en mammographie de dépistage chez les femmes éligibles. Conclusion : L'offre de services de mammographie dans la ville de Yaoundé était insuffisante pour couvrir les besoins en matière de dépistage du cancer du sein en 2021. Les unités de mammographie fonctionnelles étaient accessibles mais sous-utilisées. Des recherches supplémentaires sont nécessaires pour identifier les obstacles au dépistage par mammographie et la rareté des unités de mammographie à Yaoundé. ABSTRACT Background: Breast cancer remains the most common cancer among women worldwide. Cameroon has adopted an annual mammography screening policy for women aged 40 years and over. Objective: To evaluate the capacity of the current mammography supply to meet the needs for breast cancer screening in Yaounde City. Methods: Cross-sectional study targeting radiology departments containing a mammography unit in Yaounde (Cameroon, Central Africa) from January 2021 to June 2021. We collected the geolocation, number of mammograms performed per month, and cost of a screening mammogram for each radiology service. We calculated mammography capacity as the number of mammography units per 10,000 women aged 40 and above. Results: In Yaounde, 37.78% (17/45) of radiology departments had a mammography unit, and 76.47% (13/17) of these units were in operating condition at the time of the study. The median number of mammograms performed per month in each service was 15 [8 - 60], and the median cost of a screening mammogram was 53.55 US dollars [48.68 - 64.9]. Mammography units were mainly located in the administrative center, but they were accessible within an hour's drive from any location in the city. The capacity was estimated to be 0.32 per 10,000 women aged 40, which was only enough to cover 19.54% of the needs for screening mammography in eligible women. Conclusion: Mammography service supply in Yaounde was critically insufficient to cover breast cancer screening needs in 2021. Functional mammography units were accessible but underutilized. Further research is needed to identify the barriers to mammography screening and the scarcity of mammography units in Yaounde.
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Belaya, Yu A. "Effectiveness of mammography screening for women aged 40–49." Tumors of female reproductive system 18, no. 2 (September 16, 2022): 60–66. http://dx.doi.org/10.17650/1994-4098-2022-18-2-60-66.
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The aim of the work was to review randomized controlled trials regarding the efficacy of screening mammography in women aged 40–49 years.Google Scholar and PubMed databases were searched for English-language publications for randomized controlled trials. Inclusion criteria were studies evaluating the possible benefit/harm of mammographic screening in women 40–49 years old, a follow-up period of at least 10 years, primary breast cancer, regarding as primary outcomes reduction of breast cancer mortality, and side effects screening mammography.A search for the specified keywords found 2453 sources in electronic databases, of which only 83 studies were published as articles. After analyzing these studies, only 5 studies met the inclusion criteria. An analysis of these studies according to the inclusion criteria is subsequently presented in the article.Based on the available data from randomized trials, no definitive conclusion about the effectiveness of mammographic screening in women 40–49 years of age can yet be drawn. Therefore, it is too early to draw a line in the debate about the appropriateness of mammography in the 40–49 age group.
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Larin, A. G., and A. R. Dabagov. "Digital Mammography Device for Mobile Mammography Complex." Radiology - Practice, no. 3 (July 6, 2021): 62–69. http://dx.doi.org/10.52560/2713-0118-2021-3-62-69.
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The results of the development of a mammographic unit with a digital flat-panel detector designed for for installation in a mobile medical X-ray room are presented.The mammographic unit with a digital flat-panel detector is designed for screening and other specialized mammographic examinations, provides the ability to perform full-format raster (using a screening raster) mammography, X-ray of the armpits.
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Panta, Sujata, Rajive Raj Shahi, Sujit Panta, Bina Basnet, Kalpana Rai, and Neeraj Basanta Tulachan. "Role of Breast Ultrasonography in Adding Diagnostic Value in Case of Dense Breasts Detected by Mammography." Medical Journal of Shree Birendra Hospital 20, no. 1 (February 2, 2021): 59–64. http://dx.doi.org/10.3126/mjsbh.v20i1.31025.
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Introduction: Mammography is a simple and effective tool in early detection of breast lesions. However its sensitivity is less in dense breast. The aim of the study is to see whether addition of ultrasonography adds on to the diagnostic value by finding more breast lesions in evaluation of mammographic dense breasts or not.
Methods: The hospital data of all the patients who underwent mammography in the Department of Radiology of Shree Birendra Hospital, Kathmandu over a period of two and a half years from November 2017 to April 2020 were retrieved and retrospectively analyzed. The mammographic findings of patients with dense breast were compared with the corroborative ultrasonographic findings. Discrepancy in positive findings between the two imaging modalities was studied.
Results: Out of 536 patients studied, 238 patients had mammographic dense breast. Comparative study showed 82 cases with positive findings on mammography alone, compared to 114 cases with positive findings on combined mammography and ultrasonography with p-value < 0.05 which is statistically significant.
Conclusions: Ultrasonography is a useful additional imaging modality in evaluation of mammographic dense breast by finding more breast lesions compared to Mammography alone.
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Mohson, Khaleel, Tara F. Kareem, and Anas K. Awn. "Ultrasound Findings of MammographicallyDense Breasts in a Sample of Iraqi Female PatientsDOI:https." Journal of the Faculty of Medicine Baghdad 61, no. 1 (July 29, 2019): 39–43. http://dx.doi.org/10.32007/jfacmedbagdad.611690.
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Background: Breast problems including breast cancer have been increasing in Iraq during the recent years. Yet, early detection and screening programs using mammography mainly with complementary ultrasound had dramatically decreased the mortality rates from this emerging disease.
Objective: To assess the dense breast detected by mammography for the presence of any hidden
suspicious lesion by using ultrasound.
Patients and methods: this is a cross - sectional study on 53 female patients who came for breast cancer
screening or attended the Breast Clinic in the Oncology Teaching Hospital of the Medical City Complex in Baghdad –Iraq. The study was conducted from January to October 2018. Two -view mammography was done for each breast, and those with dense breasts underwent further ultrasound assessment done by a board-
certified radiologist.
Results: The mean age for the 53 patients included in the study was 48 years. Mammographic findings
showed that heterogeneous fibroglandular tissue density was present in (89%) of the study population.
Suspicious or clearly defined mass(es) by mammograph were seen in 16 (30%) of the patients, while no
mass was identified in (22%). Ultrasound findings we re as follows: Suspicious mass in (75%) of the cases
and benign lesions such as simple cysts or fibroadenoma in (9%). The results showed that ultrasound has
upgraded 12 cases that were diagnosed as BI -RADS I/II to BI-RADS IV/V and this represented (23%) of
the cases. On the other hand, the mammogram and the ultrasound were in concordance for BI RADS
IV/V in 28 cases (54%). The positive predictive value of the ultrasound and the mammogram for BI -
RADS IV and V breast lesions is 72% for BI - RADS IV and 95% for BI - RADS V for ultrasound and that of mammograph is 83% for BI - RADS IV 80% for BI- RADS V, while the negative predictive value of mammograph is 55% for BI - RADS I/II 25% for BI - RADS III.
Conclusion: Dense breast is still an important problematic issue in mammographic screening as it may
obscure small lesions, for which, ultrasound is proved to be a complementary and essential targeting tool
in the assessment process.
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Howard, Daniel, Simon C. Roberts, Conor Ryan, and Adrian Brezulianu. "Textural Classification of Mammographic Parenchymal Patterns with the SONNET Selforganizing Neural Network." Journal of Biomedicine and Biotechnology 2008 (2008): 1–11. http://dx.doi.org/10.1155/2008/526343.
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In nationwide mammography screening, thousands of mammography examinations must be processed. Each consists of two standard views of each breast, and each mammogram must be visually examined by an experienced radiologist to assess it for any anomalies. The ability to detect an anomaly in mammographic texture is important to successful outcomes in mammography screening and, in this study, a large number of mammograms were digitized with a highly accurate scanner; and textural features were derived from the mammograms as input data to a SONNET selforganizing neural network. The paper discusses how SONNET was used to produce a taxonomic organization of the mammography archive in an unsupervised manner. This process is subject to certain choices of SONNET parameters, in these numerical experiments using the craniocaudal view, and typically produced O(10), for example, 39 mammogram classes, by analysis of features from O() mammogram images. The mammogram taxonomy captured typical subtleties to discriminate mammograms, and it is submitted that this may be exploited to aid the detection of mammographic anomalies, for example, by acting as a preprocessing stage to simplify the task for a computational detection scheme, or by ordering mammography examinations by mammogram taxonomic class prior to screening in order to encourage more successful visual examination during screening. The resulting taxonomy may help train screening radiologists and conceivably help to settle legal cases concerning a mammography screening examination because the taxonomy can reveal the frequency of mammographic patterns in a population.
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Van Brenk, Bert, and James L. Mahoney. "Misdiagnosis of Breast Implant Rupture with Mammography." Canadian Journal of Plastic Surgery 6, no. 1 (March 1998): 17–18. http://dx.doi.org/10.1177/229255039800600104.
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B Van Brenk, JL Mahoney. Misdiagnosis of breast implant rupture with mammography. Can J Plast Surg 1998;6(1):17-18. Diagnosis of intracapsular ruptures of silicone breast implants with mammography can be difficult. A case is presented where mammography was used to diagnose an implant rupture with both a false positive and false negative result in the same patient. The mammographic features of breast implant ruptures are discussed.
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Rissanen, Tarja J., Hanna P. Mäkäräinen, Meeri A. Apaja-Sarkkinen, and Eija-Leena Lindholm. "Mammography and Ultrasound in the Diagnosis of Contralateral Breast Cancer." Acta Radiologica 36, no. 4-6 (July 1995): 358–66. http://dx.doi.org/10.1177/028418519503600406.
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Forty-nine (5%) of 956 women referred for follow-up imaging after breast cancer treatment had a malignancy in both breasts. The mammograms and ultrasonograms or US reports, and histologic slides or pathologic reports of 31 of these patients were reviewed. Mammography was more sensitive than clinical examination or US in detecting contralateral breast cancer, the sensitivity of mammography being 81%. Thirty-nine percent of the contralateral cancers were nonpalpable, and all were first detected at mammography. No cancers were depicted by US alone. US provided complementary information about palpable masses in 50% of the cases in which the mammographic finding was difficult to interpret. The mammographic appearance and the difficulties in detecting a contralateral cancer were similar to those known to be characteristic for first primaries. Distinguishing a new primary from a metastasis from the first breast cancer was not always possible by means of mammography or US.
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Jankovic, Ana, Mirjan Nadrljanski, Vesna Plesinac-Karapandzic, Nebojsa Ivanovic, Zoran Radojicic, and Zorica Milosevic. "Posterior breast cancer: Mammographic and ultrasonographic features." Vojnosanitetski pregled 70, no. 11 (2013): 1034–38. http://dx.doi.org/10.2298/vsp120726032j.
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Background/Aim. Posterior breast cancers are located in the prepectoral region of the breast. Owing to this distinctive anatomical localization, physical examination and mammographic or ultrasonographic evaluation can be difficult. The purpose of the study was to assess possibilities of diagnostic mammography and breast ultrasonography in detection and differentiation of posterior breast cancers. Methods. The study included 40 women with palpable, histopathological confirmed posterior breast cancer. Mammographic and ultrasonographic features were defined according to Breast Imaging Reporting and Data System (BI-RADS) lexicon. Results. Based on standard two-view mammography 87.5%, of the cases were classified as BI-RADS 4 and 5 categories, while after additional mammographic views all the cases were defined as BIRADS 4 and 5 categories. Among 96 mammographic descriptors, the most frequent were: spiculated mass (24.0%), architectural distortion (16.7%), clustered microcalcifications (12.6%) and focal asymmetric density (12.6%). The differentiation of the spiculated mass was significantly associated with the possibility to visualize the lesion at two-view mammography (p = 0.009), without the association with lesion diameter (p = 0.083) or histopathological type (p = 0.055). Mammographic signs of invasive lobular carcinoma were significantly different from other histopathological types (architectural distortion, p = 0.003; focal asymmetric density, p = 0.019; association of four or five subtle signs of malignancy, p = 0.006). All cancers were detectable by ultrasonography. Mass lesions were found in 82.0% of the cases. Among 153 ultrasonographic descriptors, the most frequent were: irregular mass (15.7%), lobulated mass (7.2%), abnormal color Doppler signals (20.3%), posterior acoustic attenuation (18.3%). Ultrasonographic BI-RADS 4 and 5 categories were defined in 72.5% of the cases, without a significant difference among various histopathological types (p = 0.109). Conclusion. Standard two-view mammography followed by additional mammographic projections is an effective way to demonstrate the spiculated mass and to classify the prepectoral lesion as category BI-RADS 4 or 5. Additional ultrasonography can overcome the mimicry of invasive lobular breast carcinoma at mammography.
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Baba, SULE Muhammad, Shamaki Amina Muhammad, SA’IDU Sule Ahmed, SADISU Mohammed Ma’aji, YUNUSA Garba Haruna, GELE Ibrahim Haruna, and SHIRAMA Yakubu Bababa. "Mammographic Breast Densities among 200 Nigerian Females in Sokoto, North Western Nigeria." Clinical Medical Reviews and Reports 3, no. 7 (August 25, 2021): 01–04. http://dx.doi.org/10.31579/2690-8794/090.
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Background: Breast density has been reported to be an independent predictor of breast cancer risk. Women with highest mammographic breast density may have four to six fold increased risk of developing cancer. Aim and Objective: This study is aimed at evaluating the various forms of breast densities following screening and diagnostic mammographic examination. Materials and Methods: From December 2010 and November 2012, 200 females had mammographic breast examination. Seventy-seven (77) females had routine screening mammography while 123 had diagnostic mammographic examination in the department with the General Electric (GE) Alpha-RT machine with model number MGF-101(manufactured 2010). All the subjects had to fill a mammographic form consisting of variables like age, sex, occupation, family history of breast cancer, tribe, contraception, parity, and caffeine consumption, history of surgical intervention (lumpectomy, biopsy and/or mastectomy), previous mammography and last child birth. MLO and CC views were done for the breast examination though additional views were occasionally employed. Results: Breast density decreases with increase in age of the female subjects and breast lesions are better detected following mammography on fatty or less dense breast.
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Walpola, Thishuli, and Bimali Weerakoon. "Exploring the Awareness of Mammographic Screening for Breast Cancer and Identifying Barriers to Refrain from Screening: Mini Review of the Literature." Sri Lankan Journal of Health Sciences 2, no. 1 (December 31, 2023): 12–18. http://dx.doi.org/10.4038/sljhs.v2i1.38.
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One of the most important factors to be addressed regarding breast cancer (BC) mortality and morbidity is the identification of BC at a late stage due to a lack of awareness of early detection methods of BC. Mammography can be emphasized as a foremost vital facet in the early detection of breast cancer as a screening tool. A mini review of the literature was performed to explore the concepts of awareness of screening mammography for breast cancer under three main aspects. There, the knowledge, attitude, and practice of women in mammographic screening were focused meanwhile identifying the common barriers for women to refrain from undergoing mammographic screening for breast cancer. The studies included various categories of participants especially subcategorized under their personal history or demographic characteristics. Therefore, the correlation of these factors with their awareness level has also been focused. Further, the barriers to screening mammography encountered by women were included. Therefore, this mini-review highlights the different levels of awareness of mammographic screening among females and the common reasons for avoiding screening. It concludes the benefit of bringing the knowledge of females to a considerably positive juncture by utilizing escalating awareness programs, hence minimizing the common causes of refraining from screening mammography.
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Bessen, Taryn, Dorothy M. K. Keefe, and Jonathan Karnon. "DOES ONE SIZE FIT ALL? COST UTILITY ANALYSES OF ALTERNATIVE MAMMOGRAPHIC FOLLOW-UP SCHEDULES, BY RISK OF RECURRENCE." International Journal of Technology Assessment in Health Care 31, no. 5 (2015): 281–88. http://dx.doi.org/10.1017/s0266462315000598.
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Objectives: International guidelines recommend annual mammography after early breast cancer, but there is no randomized controlled trial evidence to support this schedule over any other. Given that not all women have the same risk of recurrence, it is possible that, by defining different risk profiles, we could tailor mammographic schedules that are more effective and efficient.Methods: A discrete event simulation model was developed to describe the progression of early breast cancer after completion of primary treatment. Retrospective data for 1,100 postmenopausal women diagnosed with early breast cancer in South Australia from 2000 to 2008 were used to calibrate the model. Women were divided into four prognostic subgroups based on the Nottingham Prognostic Index of their primary tumor. For each subgroup, we compared the cost-effectiveness of three different mammographic schedules for two different age groups.Results: Annual mammographic follow-up was not cost-effective for most postmenopausal women. Two yearly mammography was cost-effective for all women with excellent prognosis tumors; and for women with good prognosis tumors if high compliance rates can be achieved. Annual mammography for 5 years and 2 yearly surveillance thereafter (a mixed schedule) may be cost-effective for 50- to 69-year-old women with moderate prognosis tumors, and for women aged 70–79 years with poor prognosis tumors. For younger women with poor prognosis tumors, annual mammography is potentially cost-effective.Conclusions: Our results suggest that mammographic follow-up could be tailored according to risk of recurrence. If validated with larger datasets, this could potentially set the stage for personalized mammographic follow-up after breast cancer.
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Šalát, Dušan, Denisa Nikodemová, Andrej Klepanec, Viera Lehotská, and Anna Šalátová. "DIAGNOSTIC REFERENCE LEVELS IN SCREENING MAMMOGRAPHY CENTERS IN SLOVAKIA." Radiation Protection Dosimetry 198, no. 9-11 (August 2022): 537–39. http://dx.doi.org/10.1093/rpd/ncac095.
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Abstract Optimization in mammography remains the most important tool in practice. In the optimization process, we look for a balanced relationship between image quality and patient dose. For mammographic examinations, the diagnostic reference levels (DRLs) are expressed as the average glandular dose (AGD) based on the thickness of the compressed breast. The aim of this study was to analyse DRL compliance in diagnostic mammography at 16 mammography screening centres using an automated system for tracking patient doses during the period between January 2020 and December 2020 and to subsequently propose new DRLs for the screening mammography centres in Slovakia. The new DRLs were ~20% lower than the existing national DRLs in diagnostic mammography in Slovakia and significantly lower than the achievable AGD levels published in the fourth edition of the European Guidelines for Quality Assurance in Breast Cancer Screening and Diagnosis.
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Fancher, Crystal E., Anthony Scott, Ahkeel Allen, and Paul Dale. "Mammographic Screening at Age 40 or 45? What Difference Does it Make? the Potential Impact of American Cancer Society Mammography Screening Guidelines." American Surgeon 83, no. 8 (August 2017): 847–49. http://dx.doi.org/10.1177/000313481708300834.
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This is a 10-year retrospective chart review evaluating the potential impact of the most recent American Cancer Society mammography screening guidelines which excludes female patients aged 40 to 44 years from routine annual screening mammography. Instead they recommend screening mammography starting at age 45 with the option to begin screening earlier if the patient desires. The institutional cancer registry was systematically searched to identify all women aged 40 to 44 years treated for breast cancer over a 10-year period. These women were separated into two cohorts: screening mammography detected cancer (SMDC) and nonscreening mammography detected cancer (NSMDC). Statistical analysis of the cohorts was performed for lymph node status (SLN), five-year disease-free survival, and five-year overall survival. Women with SMDC had a significantly lower incidence of SLN positive cancer than the NSMDC group, 9 of 63 (14.3%) versus 36 of 81 (44 %; P < 0.001). The five-year disease-free survival for both groups was 84 per cent for SMDC and 80 per cent for NSMDC; this was not statistically significant. The five-year overall survival was statistically significant at 94 per cent for the SMDC group and 80 per cent for the NSMDC group (P < 0.05). This review demonstrates the significance of mammographic screening for early detection and treatment of breast cancer. Mammographic screening in women aged 40 to 44 detected tumors with fewer nodal metastases, resulting in improved survival and reaffirming the need for annual mammographic screening in this age group.
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Kolade-Yunusa, Hadijat Oluseyi, Abdul Jimoh Salaam, Samuel Moses Danjem, and Raji Muhammed Modibbo. "An Audit of Diagnostic Mammography Examination among Women Presenting with Breast Symptoms." European Journal of Medical and Health Sciences 5, no. 6 (November 22, 2023): 15–21. http://dx.doi.org/10.24018/ejmed.2023.5.6.1898.
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Background: Mammography is one of the imaging modalities that has been in existence for a long period of time in investigating the breast for pathologies. Its use in imaging the breast can be for the purpose of screening and diagnosis. Breast screening allows for early detection of breast cancer. Early detection of breast can save lives. Despite its important imaging modality for breast, mammography is not readily available in this part of the world. Our institution just acquired one recently. Objectives: Therefore, the aim of our study is to document the pattern of mammographic findings and to determine the prevalence of breast pathologies (benign and malignant) among symptomatic patients referred for mammography. Methodology: This descriptive cross-sectional study comprises 121 symptomatic women who presented for mammographic examination at the Radiology Department of the University of Abuja Teaching Hospital, Gwagwalada from January 2016 to December 2018. Two basic views (craniocaudal and mediolateral views) of the breast were obtained using an EXR-650 mammographic machine. Some of the patients had complimentary ultrasound scans. Results: The mean age of the study population was 47.23± 8.25 with an age range of 32–77 years. The majority of the patients were in the age group 40–49 years. Most women in the study were premenopausal and the majority had no family history of breast cancer. Breast pain was the most common symptom patients presented with. Heterogenous fibro glandular tissue accounted for the majority of mammographic breast density. Age correlated positively with a pattern of breast density among the study population. Abnormal mammographic findings were seen in 67 (55.4%) patients among which benign mass was the most prevalent. Among patients who presented with breast pain majority had normal mammographic findings while for those with breast lump, benign breast mass accounted for 35.7% representing the majority and malignant mass accounted for 19.1%. The relationship between mammographic outcome and indication was statistically significant P = 0.0001. Conclusion: Mammography plays a pivotal role in the evaluation of the breast in patients who presented with symptoms as it can differentiate benign and malignant lesions of the breast. In this study, the use of mammography reveals various pathologies in which benign breast mass accounted for the majority of breast pathologies detected.
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Laçi, Ilirian, Leart Bërdica, Helidon Nina, Ilir Akshija, Alketa Spahiu, and Ervin Toçi. "The diagnostic value of ultrasound and mammography in detection of breast cancer in Albania." International Journal of Public Health Science (IJPHS) 12, no. 1 (March 1, 2023): 427. http://dx.doi.org/10.11591/ijphs.v12i1.22525.
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Early detection of breast cancer is essential for improving patient survival. However, non-invasive imaging test have different diagnostic value. This study aimed to assess the diagnostic accuracy of mammography and ultrasound to detect breast malignancy in Albania. The 234 patients suspected with breast lesions in Albania during 2018-2022 were subjected to both mammograph and ultrasound and then to core needle biopsy (CNB). The BI-RADS classification was used to evaluate breast lesions. The diagnostic value of ultrasound, mammography and their combination were assessed. Mean age of participants was 55.97 years (96.2% females). Ultrasound detected higher proportions of high-risk patients compared to mammography (79.1% vs. 52.6%, respectively) but the combination of the two increased this figure even further (88.9%). The sensitivity of mammography increased quickly with age, peaking to 93.2% among patients >60 years old, whereas ultrasound has better sensitivity among younger participants (<45 years and 45-60 years); overall, the combined tests had the highest sensitivity (95.1%), followed by ultrasound (87.4%) and mammography (59.3%). In conclusion, the sensitivity of mammography is best among older patients whereas ultrasound seems to be more accurate among younger patients. The combination of mammography and ultrasound seems to increase the diagnostic accuracy of breast tumors among Albanian patients.
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O’Connell, Avice M., and Daniel Kawakyu-O’Connor. "Dedicated Cone-beam Breast Computed Tomography and Diagnostic Mammography: Comparison of Radiation Dose, Patient Comfort, And Qualitative Review of Imaging Findings in BI-RADS 4 and 5 Lesions." Journal of Clinical Imaging Science 2 (February 25, 2012): 7. http://dx.doi.org/10.4103/2156-7514.93274.
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Objective: This pilot study was undertaken to compare radiation dose, relative visibility/conspicuity of biopsy-proven lesions, and relative patient comfort in diagnostic mammography and dedicated cone-beam breast computed tomography (CBBCT) in Breast Imaging-Reporting and Data System (BI-RADS)® 4 or 5 lesions. Materials and Methods: Thirty-six consecutive patients (37 breasts) with abnormal mammographic and/or ultrasound categorized as BI-RADS® 4 or 5 lesions were evaluated with CBBCT prior to biopsy. Administered radiation dose was calculated for each modality. Mammograms and CBBCT images were compared side-by-side and lesion visibility/conspicuity was qualitatively scored. Histopathology of lesions was reviewed. Patients were administered a survey for qualitative evaluation of comfort between the two modalities. Results: CBBCT dose was similar to or less than diagnostic mammography, with a mean dose of 9.4 mGy (±3.1 SD) for CBBCT vs. 16.9 mGy (±6.9 SD) for diagnostic mammography in a total of 37 imaged breasts (P<0.001). Thirty-three of 34 mammographic lesions were scored as equally or better visualized in CBBCT relative to diagnostic mammography. Characterization of high-risk lesions was excellent. Patients reported greater comfort in CBBCT imaging relative to mammography. Conclusion: Our experience of side-by-side comparison of CBBCT and diagnostic mammography in BI-RADS® 4 and 5 breast lesions demonstrated a high degree of correlation between the two modalities across a variety of lesion types. Owing to favorable radiation dose profile, excellent visualization of lesions, and qualitative benefits including improved patient comfort, excellent field-of-view, and more anatomical evaluation of lesion margins, CBBCT offers a promising modality for diagnostic evaluation of breast lesions.
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Zivkovic, Monika, Tomislav Stantic, and Olivera Ciraj-Bjelac. "Technical aspects of quality assurance in mammography: Preliminary results from Serbia." Nuclear Technology and Radiation Protection 25, no. 1 (2010): 55–61. http://dx.doi.org/10.2298/ntrp1001055z.
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Mammography is the method of choice for early detection of breast cancer. In Serbia, mammography is performed only clinically, although there is a plan to introduce mammography as a screening method. Currently, there are 60 mammographic units in practice, resulting in 70 000 mammographies annually. The survey was conducted in order to investigate mammographic practice in Serbia, identify weak points and suggest appropriate corrective measures. Basic technical parameters of the X-ray tube and generator, processing, image quality, and patient doses in 20 mammographic units were studied. The survey demonstrated considerable variations in technical parameters that affect image quality, and patients doses. Patient dose levels, in terms of the mean glandular dose, were fairly consistent with current European reference levels: 1.8 (0.40-4.3) mGy. However, due to inappropriate image receptors, image processing and viewing conditions and automatic exposure control adjustment, suboptimal image quality was a common finding. Simple improvements of the radiographic technique and maintenance procedure, along with the rigid implementation of the quality control procedure and training of the operating staff, would improve the performance levels of mammographic practice in Serbia, i. e. result in the production of high quality images with a reasonably low radiation risk to patients.
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Sener, Stephen F., David J. Winchester, David P. Winchester, Raffael Kurek, Gary Motykie, Carole H. Martz, and Sarah Rabbitt. "Spectrum of Mammographically Detected Breast Cancers." American Surgeon 65, no. 8 (August 1999): 731–36. http://dx.doi.org/10.1177/000313489906500807.
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Mammographic screening of women at both ends of the age spectrum presents a number of challenges. The purpose of this study was to characterize experience with mammographic detection of breast cancer. The two goals were 1) to establish the cancer detection rate of screening mammography and 2) to compare the tumor size of cancers found by mammography, physical examination, or both modalities. From January 1994 through June 1997, data on 609 consecutive female primary breast cancer patients were collected concurrent with definitive surgical therapy. The method of detection was determined by the surgeon, after reviewing mammogram and physical examination. Screening ultrasound was not used. For the 184 patients under 50 years of age, 53 (29%) cancers were detected by mammography only and 48 (26%) by physical examination only. Women under 50 years of age had fewer cancers detected by mammography only (P < 0.001) and more cancers detected by physical examination only (P = 0.0014) than those over 50. With increasing age, the proportion of women with ductal carcinoma in situ decreased (P = 0.004), and the proportion with T1c or T2 tumors increased (P = 0.006). We conclude that 1) when examining women under 50 years of age, the surgeon must be clearly focused on the double-edged sword of screening mammography in this age group, and 2) community cancer programs should encourage annual screening of women over 40 years of age but focus on those over 70, without an arbitrary upper age limit.
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Devolli-Disha, Emine, Suzana Manxhuka-Kërliu, Halit Ymeri, and Arben Kutllovci. "Comparative Accuracy of Mammography and Ultrasound in Women with Breast Symptoms According to Age and Breast Density." Bosnian Journal of Basic Medical Sciences 9, no. 2 (May 20, 2009): 131–36. http://dx.doi.org/10.17305/bjbms.2009.2832.
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Breast cancer is the most common cancer and the second most common cause of death from cancer in women.The aim of this studywas to determine which is more accurate imaging test mammography or ultrasound for diagnosis of breast cancer based on the women’s age and breast density. We examined 546 patients with breast symptoms, by clinical breast examination, mammography and ultrasound. A total of 546 breast lesions were examined by histopathology analyses. Histopathology results revealed the presence of 259 invasive cancers, and 287 benign lesions. Sensitivity varied significantly with age and breast density. In the 259 women who had both tests, ultrasound had a higher sensitivity than mammography in women younger than 45 years, whereas mammography had a higher sensitivity than ultrasound in women older than 60 years. The sensitivity according to age was 52,1% for mammography and 72,6% for ultrasound. The specificity according to age was 88, 5% for ultrasound and 73, 9% for mammography. Comparing the sensitivity of mammography and ultrasound according to the breast density indicates that mammographic sensitivity was 82,2% among women with predominantly fatty breast, but 23.7% in women with heterogeneous dense breasts, with the increase of fibro glandular density the level of sensitivity with mammography decreases, while ultrasonographic sensitivity was 71,1% among women with predominantly fatty breast and 57,0% for heterogeneous dense breasts. Our data indicate that sensitivity and specificity of ultrasound was statistically significantly greater than mammography in patients with breast symptoms for the detection of breast cancer and benign lesions particularly in dense breast and in young women.
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Łuczyńska, Elżbieta, Marta Pawlak, Tadeusz Popiela, and Wojciech Rudnicki. "The role of ABUS in the diagnosis of breast cancer." Journal of Ultrasonography 22, no. 89 (April 13, 2022): 76–85. http://dx.doi.org/10.15557/jou.2022.0014.
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Breast cancer, which is the most common cancer in women, is a major problem both in Poland and worldwide. Mammography remains the primary screening method. However, the sensitivity of mammographic screening is lower in women with dense glandular breasts due to tissue overlap and the effect of the glandular tissue obscuring the tumor and the fact that tumors and glandular tissue show similar X-ray absorption. Consequently, other methods are being sought to increase breast cancer detection rates. Currently, the most common and used methods are ultrasonography, magnetic resonance imaging and advanced mammographic methods (digital breast tomosynthesis and contrast-enhanced spectral mammography). Despite many advantages and superiority over mammography in dense breasts, they also have many disadvantages. Ultrasound is operator-dependent and the other techniques are expensive or not widely available. The Automated Breast Ultrasound Service (ABUS) technique appears to be a good option in terms of both effectiveness and lower cost.
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Rissanen, T., T. Tikkakoski, A. L. Autio, and M. Apaja-Sarkkinen. "Ultrasonography of invasive lobular breast carcinoma." Acta Radiologica 39, no. 3 (May 1998): 285–91. http://dx.doi.org/10.1080/02841859809172196.
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Purpose: To review the US findings in invasive lobular breast carcinoma which is often difficult to diagnose clinically and mammographically Material and Methods: The mammographic and US findings in 63 cases of pure invasive lobular carcinoma diagnosed at our institution in 1990-1996 were reviewed retrospectively. The US findings were classified as positive, negative or indeterminate for malignancy Results: Forty-nine of the 63 lobular carcinomas (78%, 95% CI 65.5-87.3%) were US-positive, and 51 (81%, CI 95% 69.1-89.8%) were mammography-positive. The US visibility of the carcinomas was affected by their palpability and mammographic appearance, and the radiographic density of the breasts. Indeterminate US findings (architectural distortion with acoustic shadowing) were visualized in 4 of the 10 cases that had asymmetric densities at mammography Conclusion: The sensitivity of US for lobular carcinoma was not statistically different from that of mammography. The methods were complementary, especially with regard to evaluating dense breasts and lesions which were difficult to assess clinically and mammographically
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Tao, Xuetong, Ziba Gandomkar, Tong Li, Patrick C. Brennan, and Warren Reed. "Using Radiomics-Based Machine Learning to Create Targeted Test Sets to Improve Specific Mammography Reader Cohort Performance: A Feasibility Study." Journal of Personalized Medicine 13, no. 6 (May 24, 2023): 888. http://dx.doi.org/10.3390/jpm13060888.
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Mammography interpretation is challenging with high error rates. This study aims to reduce the errors in mammography reading by mapping diagnostic errors against global mammographic characteristics using a radiomics-based machine learning approach. A total of 36 radiologists from cohort A (n = 20) and cohort B (n = 16) read 60 high-density mammographic cases. Radiomic features were extracted from three regions of interest (ROIs), and random forest models were trained to predict diagnostic errors for each cohort. Performance was evaluated using sensitivity, specificity, accuracy, and AUC. The impact of ROI placement and normalization on prediction was investigated. Our approach successfully predicted both the false positive and false negative errors of both cohorts but did not consistently predict location errors. The errors produced by radiologists from cohort B were less predictable compared to those in cohort A. The performance of the models did not show significant improvement after feature normalization, despite the mammograms being produced by different vendors. Our novel radiomics-based machine learning pipeline focusing on global radiomic features could predict false positive and false negative errors. The proposed method can be used to develop group-tailored mammographic educational strategies to help improve future mammography reader performance.
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Heller, Barbara, and Paul C. Stomper. "Mammographic Considerations for Patients Undergoing Ancillary Surgical Procedures in the Breast: A Need for Pre- and Postoperative Mammograms." American Surgeon 66, no. 8 (August 2000): 744–47. http://dx.doi.org/10.1177/000313480006600811.
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Mammographic evaluation of the pre- and postoperative breast has been primarily emphasized for patients undergoing diagnostic breast biopsies and breast-conserving surgery. There is limited literature addressing ancillary surgical procedures involving breast tissue that may complicate mammographic evaluation of the breasts during breast cancer screening. We present mammographic diagnostic dilemmas after ancillary surgical procedures in the breast. The placement and removal of devices, such as central venous access ports and pacemakers, may result in scarring that may appear suspicious for malignancy on mammography. In addition, the placement of devices can obscure lesions that are being followed mammographically. These cases illustrate the need for the application of a basic principle of breast surgery, that of pre- and postoperative mammography, to ancillary surgery of the breast to allow optimal mammographic evaluation of women who are breast screening candidates.
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Johnson, Roman, and Mieke Beth Thomeer. "Abstract 37: Understanding the social determinants of guideline-based mammography adherence across race/ethnicity: Results from the 2016 California Health Interview Survey." Cancer Research 82, no. 12_Supplement (June 15, 2022): 37. http://dx.doi.org/10.1158/1538-7445.am2022-37.
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Abstract Purpose: There is not a consensus concerning recommendations about breast cancer screening which has generated confusion about when and how often to undergo mammography screening in the population, yet there is limited population-based data about the extent to which patients adhere to various mammographic screening guidelines in practice. Our purpose was to evaluate population-based adherence to mammographic screening using criteria from major guideline-producing organizations across race/ethnicity to understand what social determinants of mammography adherence are associated with each guideline producing institution. Methods: Women aged 45-79 in the 2016 California Health Interview Survey were included. Self-reported mammographic screening within 1 or 2 years, according to major guideline-producing organizations (American Cancer Society [ACS], US Preventative Services Task Force [USPSTF], American College of Radiology [ACR], American College of Obstetricians and Gynecologists [ACOG]) was calculated with logistic regression, adjusting for demographics, health care, insurance status, and BMI. Results: 7,551 women were included in this study. By age category, cross-sectional adherence to ACR/ACOG (annual screening) (65 to 67%) and USPSTF guidelines (biennial screening) ranged from 82-83% and with increasing age being generally associated higher adherence. The highest proportions of women undergoing mammographic screening were seen in women ages 60-69 (67% within last year, 85% within last 2 years). Statistically significant predictors of adherence to mammography screening included Latina race (OR 1.62, 0.18 SE), full time employment (OR 0.73, 0.09 SE), and not having a usual healthcare provider (OR 0.50, 0.12 SE), adjusted for demographics, health care, insurance status, and BMI. Conclusion: Frequency of screening increases with age with highest screening proportions in women ages 65-69 (66% within last year, 81% within last 2 years). For ACR/ACOG screening guidelines, adherence to mammography screening remains poorer in women with no usual source of care, given that their odds of exhibiting adherence was half that of women who did have a regular source of care and nearly 65 percent lower odds of those women with USPSTF mammography adherence. Key Words: Breast cancer, screening, race/ethnicity, guideline-based care Citation Format: Roman Johnson, Mieke Beth Thomeer. Understanding the social determinants of guideline-based mammography adherence across race/ethnicity: Results from the 2016 California Health Interview Survey [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2022; 2022 Apr 8-13. Philadelphia (PA): AACR; Cancer Res 2022;82(12_Suppl):Abstract nr 37.
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DeWitt, Marla A., Ivana T. Croghan, Celine M. Vachon, Thomas D. Thacher, Marcia R. Venegas Pont, Lonzetta Neal, Daniela L. Stan, Sarah M. Jenkins, and Sandhya Pruthi. "Assessing Biomarkers of Breast Cancer Risk in Underserved Women in a Midwestern County." Journal of Primary Care & Community Health 12 (January 2021): 215013272110177. http://dx.doi.org/10.1177/21501327211017792.
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Objective: The primary aim of this study was to evaluate the feasibility of collecting risk factor information and accessing digitized mammographic data in a medically marginalized population. A secondary aim was to examine the association between vitamin D status and mammographic density. Methods: Breast-screening examinations were provided for age-appropriate patients, and a referral for no-cost screening mammography was offered. Study participants were asked to undergo 25-hydroxyvitamin D testing at mammography and 1-year follow-up. Results: Of 62 women approached, 35 (56%) consented to participate. Of 32 participants who had baseline mammography, the median mammographic density measured by VolparaDensity (Volpara Solutions Limited) was 5.7%. After 1 year, 9 women obtained follow-up mammograms, with a median density of 5.7%. Vitamin D status was measured for 31 participants at baseline and 13 participants in the following year. Insufficient vitamin D status (<30 ng/mL) was noted in 77% at each time point. Mammographic density was not significantly correlated with vitamin D status ( P = .06). Conclusions: On the basis of this small pilot study, vitamin D insufficiency is common in this study population. Owing to the small sample size, an association between vitamin D insufficiency and breast density was not clear. Additional unexpected findings included substantial barriers in initial access to care and longitudinal follow-up in this population. Further study of these issues is needed.
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Jha, Anamika, Ritu Panta, and Shanta Lall Shrestha. "Glandular density distribution in digital mammography." Grande Medical Journal 2, no. 1 (December 28, 2020): 5–9. http://dx.doi.org/10.3126/gmj.v2i1.45080.
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Objectives
The aim of this study was to evaluate the breast density distribution in digital mammography of patients.
Materials and Methods
This prospective study was performed in the Department of Radiology and Imaging of Tribhuvan University Teaching Hospital (TUTH). Data was collected over a period of 4 months from July to October 2019 and included one hundred and seventy patients who came for diagnostic or screening mammography, which was recorded as indication for the test. Appropriate statistical methods were used for analysis.
Results
The mean age of women included in this study was 48.09 ± 9.13 years. Nearly 43% of the patients had dense breasts. According to Breast Imaging, Reporting and Data System (BIRADS) classification of lesions, maximum mammograms i.e.,77.7% were normal or benign while 4.7% were BIRADS category 0 and 17.7% were of BIRADS category 3, 4 or 5. A negative correlation was observed between age and breast density category. The relationship between breast density and BIRADS category or indication for the test was insignificant while a weak correlation was observed between it and mammographic findings.
Conclusion
Our study showed an inverse linear relationship between age and mammographic density which is consistent with the fact that mammography has higher sensitivity in older age group usually with lesser density. No or weak correlation was present between breast density and BIRADS category, indication or findings on mammography. All patients in BIRADS 0 category had dense breasts.
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Ishii, Mie, Mai Nakamura, Rie Ishii, Keiichi Shida, Toshikazu Hatada, Noriko Murakami, Megumi Maeda, et al. "Effect of Compression Force and Target or Target/Filter Combination on Mean Glandular Dose for Japanese Women in Full-Field Digital Mammography System." Journal of Medical Imaging and Health Informatics 11, no. 10 (October 1, 2021): 2695–700. http://dx.doi.org/10.1166/jmihi.2021.3862.
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We constructed a mammography database of 807 Japanese women and 2,772 images obtained using five commercial full-field digital mammography (FFDM) devices at four different facilities. Five types of mammography devices fabricated by four manufacturers were used: one with a Mo target (AMULET F), one with Mo and Rh targets (Senographe DS), one with Mo and W targets (AMULET), and two with a W target (MAMMOMAT Fusion and Selenia Dimensions). The purpose of this study was to focus on the mean glandular dose (MGD) in the database and analyze the difference in the MGD of Japanese women radiographed by mammographic devices with different targets or target/filter combinations. Furthermore, we clarify the difference between the displayed and measured MGDs for the three types of mammography devices. The average compression pressure and compression breast thickness of the Japanese women in the mammography in this study were 90.9±21.7 N and 43.3±12.9 mm, respectively. The breast compression pressure slightly varied depending on the facility or FFDM device, while the compression breast thickness decreased with the increase in the compression pressure for all FFDM devices. Differences in breast compression thickness existed depending on the mammography devices. The MGDs of the two types of mammography devices using the W target were smallest (1.335±0.358, 1.218±0.464 mGy). The displayed and measured MGDs of the three types of FFDM devices had a good correlation. However, the difference between the displayed and measured MGDs of the two devices increased with the MGD.
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Chang, Rene Wei-Jung, Shu-Lin Chuang, Chen-Yang Hsu, Amy Ming-Fang Yen, Wendy Yi-Ying Wu, Sam Li-Sheng Chen, Jean Ching-Yuan Fann, et al. "Precision Science on Incidence and Progression of Early-Detected Small Breast Invasive Cancers by Mammographic Features." Cancers 12, no. 7 (July 10, 2020): 1855. http://dx.doi.org/10.3390/cancers12071855.
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The aim was to evaluate how the inter-screening interval affected the performance of screening by mammographic appearances. This was a Swedish retrospective screening cohort study with information on screening history and mammography features in two periods (1977–1985 and 1996–2010). The pre-clinical incidence and the mean sojourn time (MST) for small breast cancer allowing for sensitivity by mammographic appearances were estimated. The percentage of interval cancer against background incidence (I/E ratio) was used to assess the performance of mammography screening by different inter-screening intervals. The sensitivity-adjusted MSTs (in years) were heterogeneous with mammographic features, being longer for powdery and crushed stone-like calcifications (4.26, (95% CI, 3.50–5.26)) and stellate masses (3.76, (95% CI, 3.15–4.53)) but shorter for circular masses (2.65, (95% CI, 2.06–3.55)) in 1996–2010. The similar trends, albeit longer MSTs, were also noted in 1977–1985. The I/E ratios for the stellate type were 23% and 32% for biennial and triennial screening, respectively. The corresponding figures were 32% and 43% for the circular type and 21% and 29% for powdery and crushed stone-like calcifications, respectively. Mammography-featured progressions of small invasive breast cancer provides a new insight into personalized quality assurance, surveillance, treatment and therapy of early-detected breast cancer.
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Beyazal Çeliker, Fatma, Ercan İnci, Nurten Sever, Ahmet Tan Cimilli, and Arzu Turan. "Comparison of ultrasound, mammography and histopathology findings of the cases with gynecomastia." International Journal of Research in Medical Sciences 5, no. 11 (October 27, 2017): 4708. http://dx.doi.org/10.18203/2320-6012.ijrms20174920.
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Background: Gynecomastia is the development of a fibroepithelial structure in the male breast as a result of many benign and malignant effects. In this study, after the confirmation of gynecomastia diagnosis in the male cases with swelling, mass and tenderness in the breast using ultrasound and mammography examinations, its etiology was clarified by laboratory tests. In case of suspicion, the diagnosis was confirmed using Fine-Needle Aspiration Biopsy (FNAB). The adequacy of ultrasound and mammography was discussed with the obtained information and the information in the literature, and the etiological and radiological classification was done.Methods: Ultrasound and mammography examinations were performed on 74 male patients with growth, palpable masses or pain in the breast. Biochemistry and hormone analysis were performed with imaging methods in the cases of possible gynecomastia. Biopsy was performed on the cases with the suspicion.Results: Gynecomastia were divided into three types in ultrasonic and mammographic examination. The most frequent gynecomastia was observed as Type 3 (51.43%) in ultrasonic examination and as diffuse type (61.42%) in mammographic examination. Pain and tenderness accompanied with swelling at the breast were present in 37.84% of the cases. 31.42% had pubertal gynecomastia, 25.71% had gynecomastia secondary to drug use, and 15% had idiopathic gynecomastia.Conclusions: Combined use of ultrasound and mammography in the diagnosis and classification of gynecomastia is highly sufficient and biopsy should be performed if malignancy is suspected.
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Shonukan, Oluwatoyin, Hyelakumi Ibrahim, Esther Udoh, Wahab Egbeolu, Kanyinsola Oyeyinka, and Jonas Haggstrom. "Abstract PO4-20-01: A PROSPECTIVE PILOT STUDY OF MAMMOGRAPHIC PREDICTION OF WOMEN’S RISK (M-POWER) IN NIGERIA." Cancer Research 84, no. 9_Supplement (May 2, 2024): PO4–20–01—PO4–20–01. http://dx.doi.org/10.1158/1538-7445.sabcs23-po4-20-01.
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Abstract Background There have been no sustained efforts at stemming the rising incidence and mortality from breast cancer in sub-Saharan African countries like Nigeria. Mammography is the gold standard for breast cancer screening and is associated with improved survival particularly among women 50 to 69. Reports from various parts of Nigeria show very low mammography screening uptake. Causes include lack of geographical access, financial issues (less than 5% of the population is covered by the National Health Insurance Scheme), lack of awareness and the increasing expertise gap from the continued brain drain, despite the already low number of radiologists in the country. Given these obstacles, our long-term goal is to devise a rational basis for identifying mammographic risk categories so that this resource can be deployed cost-effectively. We propose to carry out a 5-year prospective mammographic study in Nigerian women and to use machine learning to develop a risk prediction algorithm, so that following a single screening mammogram, the appropriate frequency of subsequent mammograms can be determined. Our immediate goal is to examine the feasibility of performing such a study. To this end, we have initiated a cross-sectional pilot study that will recruit up to 2000 women in multiple urban centers in Nigeria. Objective: To explore feasibility of creating a digital mammography image database representative of the radiological features of the breast of Nigerian women. Objective: To explore feasibility of creating a database that can be used to inform a predictive mammographic risk model for breast cancer and identify the appropriate population that will benefit from breast cancer screening in Nigeria. Design This is a prospective, open-label, cross-sectional pilot study in 2000 eligible women in Nigeria and will include a single screening mammography examination. The mammography images will be read by the study radiologist. The Pilot phase will determine the feasibility and aid in the design of the of the Extension phase in which up to 20,000 participants will undergo yearly mammography examination for 5 years. Incident cases of breast cancer during the study period will permit the development of deep learning algorithms for predicting the risk of breast cancer in this population. Main Eligibility Criteria: Inclusion Criteria All consecutive women aged ≥40 years and < 65 years presenting for screening mammography at the participating institutions will be eligible. Signed study-specific written informed consent. Exclusion Criteria Complaint of a focal dominant lump or a bloody or clear nipple discharge. History of breast implants. Any woman who is pregnant or has reason to believe that she might be pregnant. Statistical Methods Analyses of continuous data will be summarized using descriptive statistics where the following parameters will be reported: Number of observations, Number of missing observations, Mean, Median, Standard deviation (SD), Minimum (Min), Maximum (Max) Categorical data will be presented with absolute and relative frequency (n and %). Present Accrual and Target accrual Two hundred ninety-six women have been enrolled and screening digital mammographic images using GE Digital mammography equipment have been obtained on all participants at 2 study sites in 2 cities in Southern Nigeria. The target accrual is 2000 participants over 12 months. Conclusion Our preliminary experience to date suggests the feasibility of proceeding with a larger prospective study to define mammographic risk groups in Nigerian women which will permit the rational allocation of resources for breast cancer prevention activities in this underserved population. Contact Information: Dr Toyin Shonukan at tshonukan@yemanjacancercare.org Citation Format: Oluwatoyin Shonukan, Hyelakumi Ibrahim, Esther Udoh, Wahab Egbeolu, Kanyinsola Oyeyinka, Jonas Haggstrom. A PROSPECTIVE PILOT STUDY OF MAMMOGRAPHIC PREDICTION OF WOMEN’S RISK (M-POWER) IN NIGERIA [abstract]. In: Proceedings of the 2023 San Antonio Breast Cancer Symposium; 2023 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2024;84(9 Suppl):Abstract nr PO4-20-01.
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Capusten, Bernice M. "Atlas of Mammography: Histologic and Mammographic Correlations." Radiology 172, no. 1 (July 1989): 130. http://dx.doi.org/10.1148/radiology.172.1.130.
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Choi, Jae Jeong, Sung Hun Kim, Bong Joo Kang, Byung Gil Choi, ByungJoo Song, and Haijo Jung. "Mammographic Artifacts on Full-Field Digital Mammography." Journal of Digital Imaging 27, no. 2 (October 9, 2013): 231–36. http://dx.doi.org/10.1007/s10278-013-9641-4.
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Jakimovska Dimitrovska, Maja, Nadica Mitreska, Menka Lazareska, Elizabeta Stojovska Jovanovska, Ace Dodevski, and Aleksandar Stojkoski. "Hook Wire Localization Procedure and Early Detection of Breast Cancer - Our Experience." Open Access Macedonian Journal of Medical Sciences 3, no. 2 (May 19, 2015): 273–77. http://dx.doi.org/10.3889/oamjms.2015.055.
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AIM: The purpose of this study is to describe our experience with needle localization technique in diagnosing small breast cancers.MATERIAL AND METHODS: This retrospective study included a hundred and twenty patients’ with impalpable breast lesions and they underwent wire localization. All patients had mammography, ultrasound exam and pathohystological results. We use mammomat Mammomat Inspiration Siemens digital unit for diagnosing mammography, machine - Lorad Affinity with fenestrated compressive pad for wire localization and ultrasound machine Acuson X300 with linear array probe 10 MhZ. We use two types of wire: Bard hook wire and Kopans breast lesion localization needle, Cook. Comparative radiologic and pathologic data were collected and analyzed.RESULTS: In 120 asymptomatic women, 68 malignancies and 52 benign findings were detected with mammography and ultrasound. The mean age for patients with malignancy was 58.6 years. According BI-RADS classification for mammography the distribution is our group was: BI-RADS 3 was presented in 6 (8.82%) patients, BI-RADS 4 was presented in 56 (82.35%) patients and BI-RADS 5 was present in 6 (8.82%) of the patients. Most wire localizations were performed under mammographic guidance in 58 from 68 patients with malignant lesions (85.29%) and with ultrasound in 10 (14.7%). According the mammographic findings patients with mass on mammograms were 29 (42.65%), mass with calcifications 9 (13.23%), calcifications 20 (29.41%) and architectural distortions or asymmetry 10 (14.71%).CONCLUSION: Wire localization is a well established technique for the management of impalpable breast lesions.
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Joshi, Birendra Raj. "Pattern of Presentation of Mammography in a Developing Country." Nepalese Journal of Radiology 10, no. 2 (December 31, 2020): 33–37. http://dx.doi.org/10.3126/njr.v10i2.35974.
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Introduction: Breast cancer is the second commonest cancer (7.2%) in Nepal and almost 54%of patients present in the advanced stage. It is the leading cause of cancer death in females.The objective of the study was to determine the type of mammography, composition of breastdensity and BIRADS category.Methods: The study was conducted in a tertiary hospital from Jan 1st to Oct 30th of 2019according to non-probability convenience sampling. A total of 388 persons were included inthe study. The mammographic findings were assessed by categories based on the BIRADSsystem.Results: Mammography for screening was 38 percent and diagnostic was 68 percent. Commonbreast compositions were B and C. More frequent BIRADS categories were seen in 1 and 2.Conclusion: Dense breast is common in mammography. BIRADS categories 1 and 2 weremore common than other categories.
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Mattsson, P. "Mammography-Related Breast Pain is Associated With Migraine." Cephalalgia 29, no. 6 (June 2009): 616–23. http://dx.doi.org/10.1111/j.1468-2982.2008.01771.x.
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There is little information about the perception of experimentally induced extracephalic pain in migraine. This study investigates the associations between mammography-related pain and migraine. A neurologist clinically assessed 630 women aged 40–74 years attending a population-based breast cancer screening programme. Headache criteria proposed by the International Headache Society were used. Mammography-related pain was measured on a 100-mm visual analogue scale. High levels of mammography-related pain were associated with migraine. This association was related to mammographic examination during the early follicular phase and menopausal status, but unrelated to differences in age, compression pressure, education, current use of hormonal replacement therapy, anxiety, and recent use of analgesics and antimigraine medication. The results of the present study indicate that migraine and compression-induced breast pain are related.
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Clanahan, Julie M., Sanjana Reddy, Robyn B. Broach, Anne F. Rositch, Benjamin O. Anderson, E. Paul Wileyto, Brian S. Englander, and Ari D. Brooks. "Clinical Utility of a Hand-Held Scanner for Breast Cancer Early Detection and Patient Triage." JCO Global Oncology, no. 6 (September 2020): 27–34. http://dx.doi.org/10.1200/jgo.19.00205.
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PURPOSE Globally, breast cancer represents the most common cause of cancer death among women. Early cancer diagnosis is difficult in low- and middle-income countries, most of which are unable to support population-based mammographic screening. Triage on the basis of clinical breast examination (CBE) alone can be difficult to implement. In contrast, piezo-electric palpation (intelligent Breast Exam [iBE]) may improve triage because it is portable, low cost, has a short learning curve, and provides electronic documentation for additional diagnostic workup. We compared iBE and CBE performance in a screening patient cohort from a Western mammography center. METHODS Women presenting for screening or diagnostic workup were enrolled and underwent iBE then CBE, followed by mammography. Mammography was classified as negative (BI-RADS 1 or 2) or positive (BI-RADS 3, 4, or 5). Measures of accuracy and κ score were calculated. RESULTS Between April 2015 and May 2017, 516 women were enrolled. Of these patients, 486 completed iBE, CBE, and mammography. There were 101 positive iBE results, 66 positive CBE results, and 35 positive mammograms. iBE and CBE demonstrated moderate agreement on categorization (κ = 0.53), but minimal agreement with mammography (κ = 0.08). iBE had a specificity of 80.3% and a negative predictive value of 94%. In this cohort, only five of 486 patients had a malignancy; iBE and CBE identified three of these five. The two cancers missed by both modalities were small—a 3-mm retro-areolar and a 1-cm axillary tail. CONCLUSION iBE performs comparably to CBE as a triage tool. Only minimal cancers detected through mammographic screening were missed on iBE. Ultimately, our data suggest that iBE and CBE can synergize as triage tools to significantly reduce the numbers of patients who need additional diagnostic imaging in resource-limited areas.
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Khasanov, Rustem, Munir Tukhbatullin, and Dmitrii Pasynkov. "The value of computer aided detection system FOR mammography in the breast cancer screening: single-center, prospective, randomized clinical trial." Problems in oncology 67, no. 6 (December 30, 2021): 777–84. http://dx.doi.org/10.37469/0507-3758-2021-67-6-777-784.
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Purpose. To assess the influence of mammography mapping with the help of computer-aided detection system (CAD) MammCheck II of our own design on the relapse-free survival (RFS) in breast cancer (BC) patients detected during the combined (mammographic and ultrasound [US]) screening. Materials and methods. 10732 women aged 40-87 years old (mean age: 52.20±8.63) who performed mammography were randomized to the standard screening group (mammography → US of the dense breasts) or to the group of CAD-assisted screening (mammography → CAD → targeted US of suspicious CAD markings, as well as the standard US of the dense breasts; CAD group). The primary endpoint was the 3-years RFS. Results. Totally, in the standard screening group we identified 230 BCs (4.29%), in the CAD group — 248 BCs (4.62%; p>0.05), including 49 (21.20%) и 88 (35.48%) 0-I stage BCs, respectively (p<0.05). Median of the primary tumor size was significantly lower in the CAD group (18 mm) compared to the standard screening group (25 mm; р<0.05). 3-years RFS was significantly higher (87.90%) in the CAD group compared to the standard screening group (81.20%; р<0.05). Conclusion. Breast US after the previous mammography CAD mapping significantly increases the 3-years RFS of women with combined screening-detected BC.
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Ciatto, S., M. Rosselli Del Turco, D. Ambrogetti, P. Bravetti, S. Catarzi, D. Morrone, and M. P. Cariaggi. "Solid nonpalpable breast lesions." Acta Radiologica 38, no. 5 (September 1997): 815–20. http://dx.doi.org/10.1080/02841859709172416.
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Purpose: To evaluate the contribution of guided fine-needle aspiration cytology in reducing unnecessary biopsies of benign solid nonpalpable breast lesions with low suspicion of malignancy at mammography. Material and Methods: An evaluation was made of a consecutive series of 2444 solid nonpalpable breast lesions detected by mammography and undergoing guided (sonography or stereotaxy) fine-needle aspiration cytology. Surgical biopsy was made in the presence of strong suspicion of malignancy at mammography and/or of abnormal cytology. Results: The sensitivity was 96.7% and the specificity 77.7% (average follow-up 2.77 years). False-negative/inadequate cytology associated with low suspicion of malignancy at mammography resulted in a diagnostic delay in 27 cancer cases (invasive 20, intraductal 7). On the other hand, cytology led to surgical biopsy in 53 cancer cases which might not otherwise have been biopsied because of low radiological suspicion of cancer. Surgical biopsy of all cases, to avoid diagnostic delays, would have increased the benign biopsy rate by a factor of 4.5, with a rise in the benign: malignant biopsy ratio from 0.44:1 to 1.93:1. Conclusion: Stereotaxy- or ultrasound-guided fine-needle aspiration cytology of nonpalpable mammographic abnormalities can achieve a sharp reduction in unnecessary benign biopsies in cases of low suspicion of malignancy at mammography.
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Mračko, Adam, Lucia Vanovčanová, and Ivan Cimrák. "Mammography Datasets for Neural Networks—Survey." Journal of Imaging 9, no. 5 (May 10, 2023): 95. http://dx.doi.org/10.3390/jimaging9050095.
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Deep neural networks have gained popularity in the field of mammography. Data play an integral role in training these models, as training algorithms requires a large amount of data to capture the general relationship between the model’s input and output. Open-access databases are the most accessible source of mammography data for training neural networks. Our work focuses on conducting a comprehensive survey of mammography databases that contain images with defined abnormal areas of interest. The survey includes databases such as INbreast, the Curated Breast Imaging Subset of Digital Database for Screening Mammography (CBIS-DDSM), the OPTIMAM Medical Image Database (OMI-DB), and The Mammographic Image Analysis Society Digital Mammogram Database (MIAS). Additionally, we surveyed recent studies that have utilized these databases in conjunction with neural networks and the results they have achieved. From these databases, it is possible to obtain at least 3801 unique images with 4125 described findings from approximately 1842 patients. The number of patients with important findings can be increased to approximately 14,474, depending on the type of agreement with the OPTIMAM team. Furthermore, we provide a description of the annotation process for mammography images to enhance the understanding of the information gained from these datasets.
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Rajamanickam, Bharathidasan, Maheshwari Narayanan, Mithun Govind Dandapani, and Ambujam . "Evaluation of the malignancy risk in benign breast disease using screening mammography." International Surgery Journal 6, no. 6 (May 28, 2019): 1887. http://dx.doi.org/10.18203/2349-2902.isj20192099.
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Background: Breast cancer is the most common female cancer worldwide representing nearly 25% of the population. The study was designed to find the correlation between mammographic screening and histopathology in the diagnosis of malignancy among patients breast disease.Methods: This analytical study was done on 163 patients who came to the General Surgery Out-Patient Department, VMMC, Karaikal were screened. From this, 125 patients who were clinically diagnosed with benign breast disease were further evaluated with mammography. A detailed history, clinical examination, and investigations including mammography, histopathological examination in the operated specimen were done.Results: In the study 10% lump in the central area, 20% in lower inner quadrant, 12% in lower outer quadrant, 22% in upper inner quadrant and 36% in upper outer quadrant. In the study, all the 100 subjects were diagnosed to have a benign lesion in mammogram, in hpe 87% were diagnosed to have benign lesion and 13% were diagnosed to have malignant lesions.Conclusions: Even though BI-RADS 2 and 3 mammography showed the majority of benign lesions, there is an increasing trend of malignancy in higher BI-RADS criteria, on further histopathological examination. Sensitivity, positive predictive value, and diagnostic accuracy are very high for mammographic screening.
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Ayesha, Sadaf, Raham Bacha, Tayyaba Akhter, Mehreen Fatima, Syed Amir Gilani, Syed Yousaf Farooq, Muhammad Yousaf, Muhammad Uzair, Mahjabeen Liaqat, and Maimoona Rasool. "Diagnostic Accuracy of Mammographic and Sonographic Findings in the Differentiation of Palpable Breast Masses taking Histopathology as a Gold Standard." RADS Journal of Pharmacy and Pharmaceutical Sciences 9, no. 1 (June 25, 2021): 18–24. http://dx.doi.org/10.37962/jpps.v9i1.500.
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Background: The Presence of palpable breast mass may be an indication of breast cancer. Early and accurate diagnosis for the breast masses is important for therapeutic purpose.
Purpose: To assess the diagnostic accuracy of mammographic and sonographic findings in the differentiation of palpable breast masses taking histopathology as a gold standard.
Materials and Methods: 134 females were involved in the study. Sonographic and mammographic findings of palpable breast masses were obtained with the help of which diagnostic accuracy of ultrasound and mammography was calculated while taking histopathology as a gold standard.
Results: Mean age in 134 females was found to be 44.2±4.7 years. Sn, Sp, PPV, NPV, disease prevalence and accuracy of ultrasound in diagnosis of palpable breast lumps were 99.09%, 79.17%, 95.61%, 95.00%, 82.09% and 95.52% respectively. Sn, Sp, PPV, NPV and accuracy of mammography in diagnosis of palpable breast lumps were 95.45%, 62.50%, 92.11%, 75.00% and 89.55% while disease prevalence was same as that of ultrasound i.e. 82.09% respectively.
Conclusion: Ultrasound showed higher diagnostic accuracy in the evaluation of palpable breast masses than mammography while taking histopathology as a gold standard. It is noteworthy in differentiating breast masses.
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Shah, Priti Prasad, Shama Shaikh, Sunil Panchbhai, and Bahul Vakhariya. "Clinical study of breast lump-triple assessment does help in diagnosing it better." International Surgery Journal 5, no. 4 (March 23, 2018): 1246. http://dx.doi.org/10.18203/2349-2902.isj20180975.
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Background: Breast cancer is most frequently diagnosed cancer among women and also most common cause of cancer death among women. Early stage detection is still low and is the major reason for poor treatment outcomes in our country. Most of the breast lumps are benign. However, it is important to rule out malignancy. This prospective clinical study is done to evaluate role of triple assessment (clinical examination, mammography and histopathology) in diagnosing breast lump.Methods: All women admitted with the symptoms and signs of breast lump at our hospital were studied in the period of 2 years from July 2014 to June 2016. The findings of physical examination and mammographic examination with histopathological diagnosis were noted n compared.Results: Physical examination of breast lumps is overall less accurate as compared to mammography. There is a tendency to over diagnose malignancy on physical examination. Mammography is more sensitive and specific in the diagnosis of palpable breast lumps as compared to physical examination. Histopathology confirms the diagnosis.Conclusions: It is better to do all three that is clinical examination, mammography and histopathology for all breast lumps diagnosis.
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Vasil’ev, A. Yu, I. V. Buromskiy, Tamara V. Pavlova, and O. O. Manuylova. "THE COMPARATIVE CONTENT ANALYSIS OF THE NORMATIVE DOCUMENTS GOVERNING THE X-RAY MAMMOGRAPHY IN THE RUSSIAN FEDERATION." Medical Journal of the Russian Federation 25, no. 5-6 (December 15, 2019): 256–58. http://dx.doi.org/10.18821/0869-2106-2019-25-5-6-256-258.
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The article discusses the normative documents in force in our country of the Ministry of Health that regulate the timing, order and age criteria for examining the mammary glands using x-ray mammography. A sufficient number of disagreements were revealed among the Orders, Letters, and Methodological and Clinical Recommendations that have not lost their legal force, which significantly complicate the daily work of clinicians and radiologists of mammography rooms. The lack of a unified approach to the standard of mammographic examination among the medical community inevitably leads to medical errors and increases the number of untimely diagnoses. In order to improve indicators of early diagnosis of breast cancer and minimize the amount of subsequent treatment, it is necessary to develop a single normative document that defines the algorithm for mammographic examination of the population.
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Weinstock, Chana, Cristina Campassi, Olga G. Goloubeva, Saranya Chumsri, Ting Bao, Susan Kesmodel, Steven J. Feigenberg, Kathleen Wooten, Olga B. Ioffe, and Katherine Hanna Tkaczuk. "The effect on detection rate of second cancers after the addition of MRI to conventional screening mammography in patients with a history of breast cancer." Journal of Clinical Oncology 30, no. 15_suppl (May 20, 2012): 10572. http://dx.doi.org/10.1200/jco.2012.30.15_suppl.10572.
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10572 Background: Mammography is currently used in the surveillance of breast cancer survivors, who are at increased risk of developing ipsilateral and contralateral breast cancers regardless of age at diagnosis or time since diagnosis. Several prospective studies have shown the utility of breast MRI in other high risk populations; however, little data exists on the use of MRI for surveillance of breast cancer survivors. We aimed to compare the outcome of surveillance breast MRI vs. mammography in this population. Methods: We identified women <65 with non-metastatic breast cancer or DCIS with at least one MRI performed at our center >11 months after initial diagnosis, along with a mammogram done within 6 months of the MRI. We compared the outcome of MRI and mammography in terms of biopsies performed as well as in detection of new cancers. Results: Of 512 consecutive charts reviewed, 204 patients met inclusion criteria, 105 (51.4%) of whom were African-American. The average number of MRIs per patient was 2.3 (range 2-7), with a total of 474 MRIs performed between 2005 and 2011. MRI resulted in BIRADS scores of 1 or 2 in 73.5% of studies vs. 84.4% for mammography. There were 19 biopsies performed due to MRI findings alone, 7 done due to mammographic findings alone, and 6 biopsies done based on abnormalities seen on both MRI and mammography. There were 7 malignancies identified based on an abnormal MRI, 3 seen on both MRI and mammography, and none identified via mammography alone. The malignancies identified via MRI alone included 1 patient with DCIS, 5 with stage I disease, and 1 with isolated lung metastases. Of the 10 recurrences detected, 5 (50%) were in African Americans. Two patients developed interval cancers within 6 months of normal screening MRI and mammography. Sensitivity and specificity for MRI were 83.3% (95% CI 0.51-0.97) and 92.2% (95% CI 0.87-0.95), vs. 25% (95% CI 0.05-0.57) and 94.8% (95% CI 0.90-0.97) for mammography. Positive and negative predictive values were 40% and 98.9% for MRI vs. 25% and 95.2% for mammography. Conclusions: Gadolinium-enhanced breast MRI is a useful surveillance modality in breast cancer survivors < age 65. Prospective studies are needed in this population.
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Albahiti, Sarah. "How Much Radiation Are Women in Saudi Arabia Receiving from Mammography? A Review." International Journal of Biomedicine 14, no. 2 (June 5, 2024): 235–39. http://dx.doi.org/10.21103/article14(2)_ra5.
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This review compiles and assesses data from recent studies on mammographic radiation doses in Saudi Arabia, aiming to evaluate mean glandular dose (MGD) exposure during mammography and its implications in breast cancer risk. The reviewed studies spanned from 2019 to 2023 and included a range of sample sizes and institutional settings, with patients’ ages from 27 to 85 years. Considerations such as the number of mammographic views and compressed breast thickness were examined. The studies reported average MGDs below the National Diagnostic Reference Level set by the Saudi Food and Drug Authority. However, limitations were noted regarding sample size selection and incomplete data on all mammographic projections. Despite these limitations, the findings highlight the need for continued assessment of patient doses to optimize mammography practices and address the absence of quality standardization acts in Saudi Arabia. These insights are critical for governing authorities to ensure that effective patient dose monitoring occurs regularly and that the establishment of minimum quality standards for breast cancer screening is intact.
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Sun, Cheuk-Kay, Yun-Xuan Tang, Tzu-Chi Liu, and Chi-Jie Lu. "An Integrated Machine Learning Scheme for Predicting Mammographic Anomalies in High-Risk Individuals Using Questionnaire-Based Predictors." International Journal of Environmental Research and Public Health 19, no. 15 (August 8, 2022): 9756. http://dx.doi.org/10.3390/ijerph19159756.
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This study aimed to investigate the important predictors related to predicting positive mammographic findings based on questionnaire-based demographic and obstetric/gynecological parameters using the proposed integrated machine learning (ML) scheme. The scheme combines the benefits of two well-known ML algorithms, namely, least absolute shrinkage and selection operator (Lasso) logistic regression and extreme gradient boosting (XGB), to provide adequate prediction for mammographic anomalies in high-risk individuals and the identification of significant risk factors. We collected questionnaire data on 18 breast-cancer-related risk factors from women who participated in a national mammographic screening program between January 2017 and December 2020 at a single tertiary referral hospital to correlate with their mammographic findings. The acquired data were retrospectively analyzed using the proposed integrated ML scheme. Based on the data from 21,107 valid questionnaires, the results showed that the Lasso logistic regression models with variable combinations generated by XGB could provide more effective prediction results. The top five significant predictors for positive mammography results were younger age, breast self-examination, older age at first childbirth, nulliparity, and history of mammography within 2 years, suggesting a need for timely mammographic screening for women with these risk factors.
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Boumaraf, Said, Xiabi Liu, Chokri Ferkous, and Xiaohong Ma. "A New Computer-Aided Diagnosis System with Modified Genetic Feature Selection for BI-RADS Classification of Breast Masses in Mammograms." BioMed Research International 2020 (May 11, 2020): 1–17. http://dx.doi.org/10.1155/2020/7695207.
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Mammography remains the most prevalent imaging tool for early breast cancer screening. The language used to describe abnormalities in mammographic reports is based on the Breast Imaging Reporting and Data System (BI-RADS). Assigning a correct BI-RADS category to each examined mammogram is a strenuous and challenging task for even experts. This paper proposes a new and effective computer-aided diagnosis (CAD) system to classify mammographic masses into four assessment categories in BI-RADS. The mass regions are first enhanced by means of histogram equalization and then semiautomatically segmented based on the region growing technique. A total of 130 handcrafted BI-RADS features are then extracted from the shape, margin, and density of each mass, together with the mass size and the patient’s age, as mentioned in BI-RADS mammography. Then, a modified feature selection method based on the genetic algorithm (GA) is proposed to select the most clinically significant BI-RADS features. Finally, a back-propagation neural network (BPN) is employed for classification, and its accuracy is used as the fitness in GA. A set of 500 mammogram images from the digital database for screening mammography (DDSM) is used for evaluation. Our system achieves classification accuracy, positive predictive value, negative predictive value, and Matthews correlation coefficient of 84.5%, 84.4%, 94.8%, and 79.3%, respectively. To our best knowledge, this is the best current result for BI-RADS classification of breast masses in mammography, which makes the proposed system promising to support radiologists for deciding proper patient management based on the automatically assigned BI-RADS categories.
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Scott, Anthony M., Madison G. Lashley, Nicholas B. Drury, and Paul S. Dale. "Comparison of Call-Back Rates between Digital Mammography and Digital Breast Tomosynthesis." American Surgeon 85, no. 8 (August 2019): 855–57. http://dx.doi.org/10.1177/000313481908500837.
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The effect of mammographic screening on the natural history and evolution of breast cancer treatment cannot be overstated; however, despite intensive and resource consuming screening, advanced breast cancer is still diagnosed frequently. The development of three-dimensional mammography or digital breast tomosynthesis (DBT) has already demonstrated greater sensitivity in the diagnosis of breast pathology and effectiveness in identifying early breast cancers. In addition to being a more sensitive screening tool, other studies indicate DBT has a lower call-back rate when compared with traditional DM. This study compares call-back rates between these two screening tools. A single institution, retrospective review was conducted of almost 20,000 patient records who underwent digital mammography or DBTin the years 2016 to 2018. These charts were analyzed for documentation of imaging type, Breast Imaging Reporting and Data System 0 status, call-back status, and type of further imaging that was required. Charts for 19,863 patients were reviewed, 17,899 digital mammography examinations were conducted compared with 11,331 DBT examinations resulting in 1,066 and 689 Breast Imaging Reporting and Data System 0 studies, respectively. Of the DM call-backs, 82.08 per cent were recommended for additional radiographic imaging and 17.82 per cent for ultrasound imaging. In the DBT group, only 39.77 per cent of callbacks were recommended for additional radiographic imaging and 60.09 per cent for ultrasound imaging. Our data suggest that DBT results in less call-back for additional mammographic images as compared with digital mammography. DBT may offer benefits over DM, including less imaging before biopsy, less time before biopsy, quicker diagnosis, and improved patient satisfaction.