Literatura académica sobre el tema "Détection du cancer"
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Artículos de revistas sobre el tema "Détection du cancer"
Benkessou, Bouchra, Jean-Marc Canard, Joseph Moussali, Lisa El Ouaer, Jean-François Contou, Philippe Godeberge, Irène Amar et al. "Avantage d’Endocuff vision® deuxième génération dans le dépistage des polypes coliques en pratique courante : cohorte historique prospective comparative". Hegel N° 3, n.º 3 (25 de octubre de 2023): 197–206. http://dx.doi.org/10.3917/heg.133.0197.
Texto completoZaanan, A. "L’ADN tumoral circulant dans le cancer colorectal". Côlon & Rectum 13, n.º 2 (29 de abril de 2019): 98–101. http://dx.doi.org/10.3166/cer-2019-0074.
Texto completoLambert, René. "Détection précoce du cancer: 2 — Le cancer gastrique". Acta Endoscopica 34, n.º 3 (junio de 2004): 361–62. http://dx.doi.org/10.1007/bf03004273.
Texto completoLambert, René. "Détection précoce du cancer: 3 — le cancer du côlon". Acta Endoscopica 34, S1 (octubre de 2004): 447–48. http://dx.doi.org/10.1007/bf03006397.
Texto completoVillani, Riccardo, Astrid Roosendaal, Pauline Hämmerli y Christophe E. Iselin. "PSA et IRM: comment s’en servir de façon raisonnable pour la détection du cancer de la prostate". Urologie in der Praxis 22, n.º 4 (16 de noviembre de 2020): 153–59. http://dx.doi.org/10.1007/s41973-020-00118-7.
Texto completoHoehn, L. A., J. Faros Barros, J. Desmeules y K. Ing-Lorenzini. "Importance des interactions médicamenteuses néfastes chez le patient oncologique : comparaison de programmes de détection informatisés". Douleur et Analgésie 32, n.º 1 (marzo de 2019): 21–36. http://dx.doi.org/10.3166/dea-2019-0046.
Texto completoDreyfus, JC. "Détection du cancer par résonance magnétique nucléaire plasmatique". médecine/sciences 3, n.º 2 (1987): 107. http://dx.doi.org/10.4267/10608/3630.
Texto completoSarkis, R., J. Khazen, M. Issa, A. Khazzaka, G. Hilal y D. Grandjean. "Dépistage du cancer colorectal par détection olfactive canine". Journal de Chirurgie Viscérale 154 (septiembre de 2017): 22. http://dx.doi.org/10.1016/j.jchirv.2017.07.068.
Texto completoLambert, René. "Détection précoce du cancer: 1 — Définition de l’efficacité". Acta Endoscopica 34, n.º 3 (junio de 2004): 364. http://dx.doi.org/10.1007/bf03004276.
Texto completoThierry, Alain R. y Rita Tanos. "La biopsie liquide". médecine/sciences 34, n.º 10 (octubre de 2018): 824–32. http://dx.doi.org/10.1051/medsci/2018208.
Texto completoTesis sobre el tema "Détection du cancer"
Freitas, David de. "Sondes de détection gamma : optimisation pour la détection peropératoire dans le cancer du sein". Clermont-Ferrand 1, 2003. http://www.theses.fr/2003CLF1MM25.
Texto completoFranceschini, Emilie. "Tomographie ultrasonore dédiée à la détection du cancer du sein". Phd thesis, Université de Provence - Aix-Marseille I, 2006. http://tel.archives-ouvertes.fr/tel-00139036.
Texto completoTomographie qualitative : nous avons développé un algorithme de rétroprojection elliptique filtrée, établi grâce à l'introduction de la transformée de Radon elliptique et à l'extension au champ proche du classique théorème coupe-projection. La méthode de reconstruction a été étudiée expérimentalement sur des fantômes à base de gel d'agar-agar et de paraffine immergés dans de l'eau. Par ailleurs, afin de nous rapprocher des conditions opératoires du radiologue, nous avons développé des fantômes numériques anatomiques bidimensionnels de sein pour l'imagerie ultrasonore, tant pour la tomographie que pour l'échographie. Ces fantômes ont permis de simuler et de comparer les deux méthodes d'imagerie.
Tomographie quantitative pour la caractérisation tissulaire : Pour le paramètre de célérité, nous avons comparé une méthode de reconstruction par couches successives (en anglais ”layer stripping”) développée par Ferrière et al (2003) et une tomographie conique classique, toutes deux basées sur l'hypothèse de propagation en rayons droits. Des essais numériques et un essai expérimental ontmontré les limites de la méthode par couches successives à restituer les objets avec fidélité. Concernant le paramètre d'absorption, nous avons montré numériquement qu'il est indispensable de prendre en compte les effets de diffraction, qui sont généralement négligés dans le cas des tissus faiblement contrastés (le sein). Nous avons étudié l'erreur introduite par la diffraction dans une méthode fréquentielle d'estimation du paramètre d'absorption. Sur la base d'essais numériques, la méthode de correction des effets de diffraction proposée donne de bons résultats avec une tomographie pourtant simplifiée de rayons droits.
Tanos, Rita. "Développement de tests diagnostiques par détection d'ADN extracellulaire". Thesis, Montpellier, 2019. http://www.theses.fr/2019MONTT054.
Texto completoAfter its discovery in 1948, circulating DNA (cirDNA) was studied in various fields. It has become an emerging biomarker, particularly in oncology, and several studies have recently sought to investigate its interest in cancer screening and early detection. The first part of my thesis was devoted to the study of the quantitative and structural characteristics of cirDNA, taking into account its origin (nuclear and mitochondrial cirDNA) and its structure (fragmentation and size profile), for the screening and early detection of cancer. Two cirDNA parameters, the Ref A 67 (total nuclear cirDNA concentration) and the MNR (Mitochondrial to Nuclear Ratio), were quantified by q-PCR in a mouse model and further validated in cell culture media to assess their potential to discriminate between a healthy and a cancerous state. These two variables were evaluated by taking into account other quantitative and structural parameters of cirDNA, after age adjustment, in the plasma of 289 healthy individuals, 99 individuals at risk of colorectal cancer (CRC) and 983 patients with CRC (n = 791), breast cancer (n = 169) and other cancers (hepatocellular, pancreatic, ovarian and lymphoma) (n = 23). Through a machine learning approach, we combined these different parameters into a prediction model using decision trees for the classification of healthy and cancer patients. We have obtained very encouraging results, especially for early-stage cancers. This method seems promising for early and non-invasive cancer detection. The addition of other biomarkers such as the size profile of the cirDNA or the detection of methylation markers could further increase its potential.The second part of my thesis was devoted to the study of the relationship between the quantity of extracellular DNA of nuclear and mitochondrial origin in the embryo culture medium, and the quality of these embryos during in vitro fertilization (IVF). It has been shown that an embryo releases extracellular DNA into the culture medium during IVF, and that this DNA could be a predictive biomarker of embryo quality and thus be used as a non-invasive preimplantation genetic test (PGT). We detected, as well, the SRY gene in the culture medium to determine the sex of the embryo, which is an important information in the case of gender-related genetic disorders. We also tried to detect the presence of the Delta F508 mutation of the CFTR gene responsible for cystic fibrosis, by analyzing extracellular DNA from high-risk embryos to assess its potential as a non-invasive PGT
Karageorgis, Anastassia. "Développement de vecteurs ciblants pour la détection et la thérapie des tumeurs". Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENV004/document.
Texto completoA good tumor treatment relies on an early diagnosis and an efficient targeted therapy.Three theranostic tools are studied, each one having a different origin and different properties, in order to showtheir interest for tumor’s imaging and therapy.The first tool is a biologic one, human mesenchymal stem cells (MSC) having a natural tropism towardinflammatory and/or hypoxic sites, which should permit them to reach tumors.The second one is nanoparticles, functionnalized or not with an antibody targeting tumor cells, delivered by alung spray. By this method we develop a non-invasive tool to treat patients with a disseminated lung tumor.The last one is a synthetic small sized theranostic tool with a reproducible synthesis, which, after a systemicadministration, targets primary and metastatic tumor cells.By my work, I show that even if MSC are not good vectors for diagnosis and delivery of therapeutic agents tothe tumors’ sites, they normalize tumors’ vessels, improving blood flow inside the tumor. This property presentsa real therapeutic interest, by pre-treating tumors before using chemotherapy.The study of aerosolized nanovectors reveals their interest for passive tumor targeting and for an active onewhen grafted with a specific monoclonal antibody as they permit the detection of tumor nodules disseminated inthe lungs.More, the targeting agent Cetuximab acquires new properties when grafted on nanoparticles permitting todecrease tumor cells resistance to the treatment.Finally, the small synthetic molecule PoroCombo developed from our previous work on RAFT-RGD vectors,seems to be the most appropriated to deliver a molecule in the cell’s cytoplasm after a systemic administration.This molecule has three anti-tumor activities by inducing cell death, by inducing anti-angiogenic impact and bytriggering anti-tumor immune reaction.The three studied “biovectors” reveal large applications to improve tumors’ treatment.Key words:
Tiffet, Olivier. "Evaluation de la détection du ganglion sentinelle en pathologie cancéreuse". Saint-Etienne, 2003. http://www.theses.fr/2003STET006T.
Texto completoSalas, Daniel. "Parallélisation hybride d’une application de détection de noyaux cellulaires". Thesis, Strasbourg, 2019. http://www.theses.fr/2019STRAD018.
Texto completoThe shared memory parallelized version of the Marked Point Process algorithm allows to speed-up cells nuclei detection. However, the limitations imposed by the number of CPU cores or the memory capacity of GPU cards do not allow to analyse an entire histological image (50,000 × 50,000 pixels). To achieve this, we propose to add a distributed dimension to this parallelization using the hybrid Ordered Read-Write Locks model. In order to guarantee the validity of the original algorithm, we have implemented different strategies to ensure that all nuclei are processed and that local processing is considered on a global scale. The tests carried out first validated the scalability of the application and then showed an acceleration factor of 40 on 64 CPU cores
Adumeau, Pierre. "Nano-sondes hybrides luminescentes pour la détection du cancer de la prostate". Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2014. http://tel.archives-ouvertes.fr/tel-01020604.
Texto completoD'Journo, Xavier Benoît. "Détection phénotypique et moléculaire des colonisations bronchiques périopératoires en chirurgie thoracique oncologique". Thesis, Aix-Marseille 2, 2010. http://www.theses.fr/2010AIX20707/document.
Texto completoPostoperative respiratory complications remain the most frequent and seriouscomplications, as well as being the primary cause of hospital death after thoracic oncologicsurgery. Their incidence is relatively high and concern near 30 % of patients submitted forsurgery. These complications are notoriously infectious and airways colonizations (AWC)have been suggested to be an essential first step in the pathogenesis of this respiratorymorbidity. Previous studies have documented that AWC are presents in near 40 % of cases.However, correlation between AWC and respiratory complications remains controversial.One of the limits is the traditional phenotypic methods of cultures that precludes for definitiveconclusions when considering that majority of microbiological species required modern andinnovating techniques of culture to be identified. Recent data have demonstrated that 99% oforganisms seen microscopically are not cultivated by routine techniques and requiredmolecular techniques to be identified. We have postulated that instead of culture test,molecular detection (DNA genes amplification and sequencing of the bacterial 16S ribosomalRNA) applied to distal bronchial samples or to lung biopsies, should allow identifyingbacteria, virus or emerging pathogens. Our results suggest that molecular cultureindependenttechniques applied in the context of AWC will provide in the future a greatopportunity to precise correlation between colonization and respiratory complications and tothe other hand, to discover new and/or emerging pathogens that are currently unknown
Siebert, Christelle. "Détection et fonction des récepteurs des androgènes tronqués dans le cancer de la prostate". Strasbourg, 2010. https://publication-theses.unistra.fr/restreint/theses_doctorat/2010/SIEBERT_Christelle_2010_ED414.pdf.
Texto completoIn 2010, the number of new cases of prostate cancers (PCa) is estimated at 71 600. With 10 000 deaths per year, PCa is in France the second cause of male mortality due to cancer. The dependence of cancerous cells towards androgens is taken into account in hormonal therapies against PCa. However, physiopathology of escape from hormonal therapies may involve several types of mechanisms. One is the emergence of mutations in the androgen receptor (AR) gene to promote proliferation and survival of cancer cells in the absence of androgens. Thereby, expression of genes involved in signaling pathways of growths factors or cytokines (CXCR4, CXCL12, EGFR, HER2, HER3, ET-A, VEGFR and Wnt11) was analyzed by RT-QPCR from samples presenting truncated AR variants. This study showed significant variation in the expression of EGFR, HER2, HER3 and Wnt11. A functional test realized in yeast was developed in the laboratory to detect truncated AR variants from PCa samples, but it is long and tedious. To overcome this situation, a more suitable version for routine detection of truncated AR variants was developed. This test has also been miniaturized into a 96-well plate to facilitate its routine use and its sensitivity was increased by using 2 ADE2 and lacZ reporter systems. The first validation of the new test confirmed that the new method is faster and more sensitive than the former. The final goal is to propose this test as an innovative tool for early detection of truncated AR variants in PCa and determination of subpopulations of patients
Lehaire, Jérôme. "Détection et caractérisation du cancer de la prostate par images IRM 1.5T multiparamétriques". Thesis, Lyon, 2016. http://www.theses.fr/2016LYSE1174/document.
Texto completoProstate cancer is the most frequent and the fourth leading cause of mortality in France. Actual diagnosis methods are often insufficient in order to detect and precisely locate cancer. Multiparametrics MRI is now one of the most promising method for accurate follow-up of the disease. However, the visual interpretation of MRI is not easy and it is shown that there is strongvariability among expert radiologists to perform diagnosis, especially when MR sequences are contradictory. Under these circumstances, a strong interest is for Computer-aided diagnosis systems (CAD) aiming at assisting expert radiologist in their final decision. This thesis presents our work toward the conception of a CADe which final goal is to provide a cancer probability map to expertradiologist. This study is based on a rich dataset of 49 patients made of T2w, dynamic and diffusion MR images. The ground truth was obtained through strict process of annotations and correlation between histology and MRI. This thesis focuses both for cancer detection and characterization in order to provide a cancer probability map correlated to cancer aggressiveness (Gleason score). To that end we used a dictionary learning method to extract new features to better characterize cancer aggressiveness signatures as well as image features. Those features are then used as an input to Support Vector Machines (SVM) and Logistic Regression (LR) classifiers to produce a cancer probability map. We then focused on discriminating agressive cancers (Gleason score >6) from other tissues and provided an analysis of the correlation between cancer aggressiveness and probabilities. Our work conclude on a strong capability to distinguish agressive cancer from other tissues but fails to precisely distinguish different grades of cancers
Libros sobre el tema "Détection du cancer"
1965-, Noorani Hussein Zafer y Office canadien de coordination de l'évaluation des technologies de la santé., eds. Tests fondés sur la cytologie liquide et sur la détection du papillomavirus dans le dépistage du cancer du col. Ottawa, Ont: Office canadien de coordination de l'évaluation des technologies de la santé, 2003.
Buscar texto completoTarazi, Sonia. Étude comparative de différents protocoles d'extraction de l'ADN cellulaire pour la détection des HPV type 16-18: Les principaux agents étiologiques du cancer du col utérin. Sudbury, Ont: Laurentian University, Department of Biology, 1994.
Buscar texto completoCapítulos de libros sobre el tema "Détection du cancer"
Yahia, R., C. Zaoui, H. Mellouli, T. Sahraoui y F. Z. El Kébir. "Détection du virus Epstein-Barr dans le cancer du sein : étude d’une population de l’Ouest algérien". En Acquis et limites en sénologie / Assets and limits in breast diseases, 423–24. Paris: Springer Paris, 2013. http://dx.doi.org/10.1007/978-2-8178-0396-8_85.
Texto completoGoetz, Christophe, Aurélien Zang y Nicolas Jay. "Apports d’une méthode de fouille de données pour la détection des cancers du sein incidents dans les données du programme de médicalisation des systèmes d’information". En Informatique et Santé, 189–99. Paris: Springer Paris, 2011. http://dx.doi.org/10.1007/978-2-8178-0285-5_17.
Texto completo"Chapitre 11. Détection des cancers : la nécessité des dépistages". En Que sait-on du cancer ?, 165–76. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0217-3-012.
Texto completo"Chapitre 11. Détection des cancers : la nécessité des dépistages". En Que sait-on du cancer ?, 165–76. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0217-3.c012.
Texto completoVANDER HAEGEN, Marie y Cécile FLAHAULT. "Expérience des parents d’enfants en rémission d’un cancer". En Le patient et son entourage, 115–30. Editions des archives contemporaines, 2023. http://dx.doi.org/10.17184/eac.7249.
Texto completoActas de conferencias sobre el tema "Détection du cancer"
Perreau-Saussine, M. "Détection précoce des cancers de la cavité buccale : un outil de formation réalisé par l’Institut national du Cancer". En 56ème Congrès de la SFMBCB. Les Ulis, France: EDP Sciences, 2011. http://dx.doi.org/10.1051/sfmbcb/20115601008.
Texto completoExbrayat, C., A. Seigneurin y P. Jennings. "Taux de détection des adénomes et risque de cancer d'intervalle après coloscopie dans le programme français de dépistage organisé en Isère de 2002 – 2013". En Journées Francophones d'Hépato-Gastroentérologie et d'Oncologie Digestive (JFHOD). Georg Thieme Verlag KG, 2018. http://dx.doi.org/10.1055/s-0038-1623395.
Texto completoLan, R., F. Campana, J. H. Catherine, U. Ordioni y D. Tardivo. "Nouvelles techniques d’aide au diagnostic des lésions pré-cancéreuses et cancéreuses de la cavité orale : revue systématique et résultats préliminaires". En 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206602018.
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