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Journal articles on the topic 'Bone dissection'

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Author: Grafiati

Published: 14 March 2023

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1

Prasad, K. C., Prathyusha K., Shreeharsha Maruvala, Harshita T. R., Indu Varsha Gopi, and Sumanth K. R. "Impact of temporal bone dissection on the understanding anatomy of the ear among medical students." International Journal of Otorhinolaryngology and Head and Neck Surgery 4, no. 6 (October 24, 2018): 1489. http://dx.doi.org/10.18203/issn.2454-5929.ijohns20184365.

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<p class="abstract">The aim was to study the impact of temporal bone dissection demonstrations on understanding anatomy of the ear among medical students. During a period of six months from October 2017 to March 2018, 10 cadaveric temporal bones dissections were demonstrated using ZEISS microscope and in the presence of medical students headed by a Consultant Otolaryngologist in the department of ENT, Sri Devaraj URS Medical College and Research Centre, Kolar. Anatomy of the middle ear and inner ear and various operative procedures were demonstrated. The students were divided into 2 groups. Group I comprised students who attended the temporal bone dissection and Group II included those who didn’t attend dissection. After the session both the groups were assessed by the consultant. Scores were given to the group individuals based on the ability to answer the questions. 10 Temporal bone dissections were demonstrated in 6 months period to medical students who were divided into 2 groups based on their attendance of the demonstration. The students of both groups were assessed. Scores were given by Likert scale-5point scale question. The results of our study proved that those students who attended the temporal bone dissection (Group-I) had better understanding of the anatomy and operative procedures of the ear as compared to students in group II. Demonstration of temporal bone dissection to the medical students had a good impact on their understanding of the three dimensional anatomy of the ear.</p>

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2

Golding-Wood, David G. "Temporal bone dissection for display." Journal of Laryngology & Otology 108, no. 1 (January 1994): 3–8. http://dx.doi.org/10.1017/s0022215100125691.

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Increasing concern with medicolegal issues has heightened the need for surgical simulation in training. Familiarity with the surgical anatomy of the temporal bone is essential for effective and safe otological surgery. Refinement of surgical technique and intimate knowledge of temporal bone anatomy can be gained by accurate dissection. The products of such endeavours are both illustrative and instructive. The issues, methods and techniques necessary for display of anatomical dissections are discussed.

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Natarajan, B., and A. Baxter. "Preparation of a temporal bone exhibit." Journal of Laryngology & Otology 108, no. 1 (January 1994): 9–12. http://dx.doi.org/10.1017/s0022215100125708.

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Temporal bone dissection forms an important aspect in the training of an otolaryngologist. The more dissection one does the more confident one is in the operating room. The aim of this paper is to advise in the preparation of temporal bones for the purpose of display, exhibition or competition. The practical aspects of dissection are deliberately avoided concentrating on the selection of bones pre- and post-dissection, preparation of the bones, fixing and display of vessels and nerves and also mounting and lighting for exhibition purposes.The temporal bone laboratory should be well equipped with a microscope, a power drill with a range of cutting and polishing burrs, a range of fine instruments, a suction machine with different sizes of suction tips, water source, a place to store the bones etc., thus creating an ideal environment for temporal bone dissection.

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Scott, A., S. A. A. Sadek, M. C. Garrido, and R. G. Courteney-Harris. "Temporal bone dissection: a possible route for prion transmission?" Journal of Laryngology & Otology 115, no. 5 (May 2001): 374–75. http://dx.doi.org/10.1258/0022215011907901.

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The aim of this study was to determine whether neural tissue is present in the bone ‘dust’ given off during temporal bone drilling. Bone ‘dust’ from three temporal bone dissections was collected and examined. Evidence of neural tissue was present in two out of the three specimens. Neural tissue is present in the bone dust given off during temporal bone drilling. This poses the question as to the risk of prion transmission during such dissection.

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Shlyakhtov, M. I., and K. G. Naumov. "Use of modern energetic methods of bone tissue removal during endoscopic dacryocystorhinostomy." Reflection 11, no. 1 (July 15, 2021): 61–67. http://dx.doi.org/10.25276/2686-6986-2021-1-61-67.

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The article presents the results of surgical treatment of 22 patients with chronic dacryocystitis accompanied by proximal obstruction of the nasolacrimal duct. A new method of nasolacrimal anastomosis bone window during endonasal endoscopic dacryocystorhinostomy using ultrasound bone dissection is described. The questions of operation technique using SONOCA 185 ultrasound bone dissector and specific features of postoperative treatment are discussed. The obtained data allow to conclude that low temperature process of bone dissection with ultrasound cavitation gives a possibility of adequate bone window formation, reduces surgical trauma of bone structures, surrounding soft tissues and nasal cavity vessels as well as reduces the risk of bleeding and operation time needed for its stopping. It also enables better healing of soft tissues in shorter terms, provides anatomical and functional success of operation in 91 % of cases. Key words: chronic dacryocystitis; endonasal endoscopic dacryocystorhinostomy; ultrasound bone dissection; dacryostoma.

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Hertzano, Ronna. "Temporal Bone Dissection Guide." Otology & Neurotology 32, no. 8 (October 2011): 1191. http://dx.doi.org/10.1097/mao.0b013e31822a1c99.

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7

Banerjee, Santanu. "Manual of temporal bone dissection." Indian Journal of Otolaryngology and Head and Neck Surgery 52, no. 1 (December 1999): 120. http://dx.doi.org/10.1007/bf02996461.

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Frithioff, Andreas, Martin Frendø, Kenneth Weiss, Søren Foghsgaard, David Bue Pedersen, Mads Sølvsten Sørensen, and Steven Arild Wuyts Andersen. "Effect of 3D-Printed Models on Cadaveric Dissection in Temporal Bone Training." OTO Open 5, no. 4 (October 2021): 2473974X2110650. http://dx.doi.org/10.1177/2473974x211065012.

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Objective Mastoidectomy is a cornerstone in the surgical management of middle and inner ear diseases. Unfortunately, training is challenged by insufficient access to human cadavers. Three-dimensional (3D) printing of temporal bones could alleviate this problem, but evidence on their educational effectiveness is lacking. It is largely unknown whether training on 3D-printed temporal bones improves mastoidectomy performance, including on cadavers, and how this training compares with virtual reality (VR) simulation. To address this knowledge gap, this study investigated whether training on 3D-printed temporal bones improves cadaveric dissection performance, and it compared this training with the already-established VR simulation. Study Design Prospective cohort study of an educational intervention. Setting Tertiary university hospital, cadaver dissection laboratory, and simulation center in Copenhagen, Denmark. Methods Eighteen otorhinolaryngology residents (intervention) attending the national temporal bone dissection course received 3 hours of mastoidectomy training on 3D-printed temporal bones. Posttraining cadaver mastoidectomy performances were rated by 3 experts using a validated assessment tool and compared with those of 66 previous course participants (control) who had received time-equivalent VR training prior to dissection. Results The intervention cohort outperformed the controls during cadaver dissection by 29% ( P < .001); their performances were largely similar across training modalities but remained at a modest level (~50% of the maximum score). Conclusion Mastoidectomy skills improved from training on 3D-printed temporal bone and seemingly more so than on time-equivalent VR simulation. Importantly, these skills transferred to cadaveric dissection. Training on 3D-printed temporal bones can effectively supplement cadaver training when learning mastoidectomy.

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George, A. P., and R. De. "Review of temporal bone dissection teaching: how it was, is and will be." Journal of Laryngology & Otology 124, no. 2 (December 3, 2009): 119–25. http://dx.doi.org/10.1017/s0022215109991617.

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AbstractObjective:We aimed to review the history of anatomical dissection, and to examine how modern educational techniques will change the way temporal bone dissection is taught to otolaryngology trainees.Method:Review of the literature using Medline, Embase and PubMed database searches.Results:Temporal bone anatomy has traditionally been taught using cadaveric specimens. However, resources such as three-dimensional reconstructed models and ‘virtual reality’ temporal bone simulators have a place in educating the otolaryngology trainee.Conclusion:We should encourage the use of fresh frozen cadaveric temporal bone specimens for future otologists. Artificial three-dimensional models and virtual reality temporal bone simulators can be used to educate junior trainees, thus conserving the scarce resource of cadaveric bones.

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Somjee, Shehnaz. "The Somjee-Crabtree temporal bone support clamp." Journal of Laryngology & Otology 111, no. 1 (January 1997): 54–55. http://dx.doi.org/10.1017/s0022215100136412.

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AbstractA new device is introduced for holding temporal bones during dissection. It is structurally very different, more practical and effective for securing the bone than the temporal bone holding bowl which has been in use so far.

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Sappington, Joshua M. "Temporal Bone Dissection Guide, Second Edition." Otology & Neurotology 37, no. 10 (December 2016): 1465. http://dx.doi.org/10.1097/mao.0000000000001237.

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Svrakic, Maja. "Book Review: Temporal Bone Dissection Guide." Annals of Otology, Rhinology & Laryngology 120, no. 8 (August 2011): 560. http://dx.doi.org/10.1177/000348941112000815.

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13

Amali, Amin, and Hossein Ghazavi. "Temporal bone SCC and neck dissection." International Journal of Surgery Case Reports 4, no. 7 (2013): 571–72. http://dx.doi.org/10.1016/j.ijscr.2013.04.029.

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Martin, Didier. "Temporal bone dissection guide: second edition." Acta Chirurgica Belgica 117, no. 2 (February 2017): 135. http://dx.doi.org/10.1080/00015458.2016.1258807.

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Wiet, Gregory J., Don Stredney, Thomas Kerwin, Bradley Hittle, Soledad A. Fernandez, Mahmoud Abdel-Rasoul, and D. Bradley Welling. "Virtual temporal bone dissection system: OSU virtual temporal bone system." Laryngoscope 122, S1 (January 31, 2012): S1—S12. http://dx.doi.org/10.1002/lary.22499.

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Ganjaei, Kimia G., Zachary M. Soler, Elliott D. Mappus, Robert J. Taylor, Mitchell L. Worley, Jennifer K. Mulligan, Jose L. Mattos, et al. "Novel Radiographic Assessment of the Cribriform Plate." American Journal of Rhinology & Allergy 32, no. 3 (April 17, 2018): 175–80. http://dx.doi.org/10.1177/1945892418768159.

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Background The cribriform plate (CP) is a common site of spontaneous cerebrospinal fluid (SCSF) leaks. Radiographic assessment of the anterior and lateral skull base has shown thinner bone in patients with SCSFs; however, prior assessment of the CP has required postmortem cadaver dissection. Objective To develop novel radiographic techniques to assess the anatomy of the CP. Methods Computed tomography (CT) scans were performed on cadaveric specimens. Bone density and anatomy of a predefined volume of interest of the posterior CP were assessed by two independent reviewers. CT assessment of olfactory foramina was also performed and validated using anatomic dissection of cadaver specimens. Results Interclass correlation coefficients (ICCs) for measuring the same volume of each CP was 0.96, confirming reproducible anatomic localization. Cadaver CPs had a mean Hounsfield units of 263, indicating a mix of bone and soft tissue, and ICC was 0.98, confirming reproducible radiographic measurements. Optimal CT estimates of bone composition of CPs averaged 85% (range 76% to 96%) compared to actual anatomic dissection which averaged 84% bone (range 74% to 91%, r = .690, P = .026). Conclusion Our novel, noninvasive CT method for assessing CP anatomy is reproducible and correlates with anatomic dissection assessing bone composition. The clinical implications of anatomic changes in the CP are an area for further study.

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Wiet, Gregory J., Don Stredney, Dennis Sessanna, Jason A. Bryan, D. Bradley Welling, and Petra Schmalbrock. "Virtual Temporal Bone Dissection: An Interactive Surgical Simulator." Otolaryngology–Head and Neck Surgery 127, no. 1 (July 2002): 79–83. http://dx.doi.org/10.1067/mhn.2002.126588.

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OBJECTIVE: Our goal was to integrate current and emerging technology in virtual systems to provide a temporal bone dissection simulator that allows the user interactivity and realism similar to the cadaver laboratory. STUDY DESIGN: Iterative design and validation of a virtual environment for simulating temporal bone dissection. SETTING: University otolaryngology training program with interdisciplinary interaction in a high-performance computer facility. RESULTS: The system provides visual, force feedback (haptic), and aural interfaces. Unlike previous “fly through” virtual systems, this environment provides a richer emulation of surgical experience. CONCLUSION: The system provides a high level of functional utility and, through initial evaluations, demonstrates promise in adding to traditional training methods. SIGNIFICANCE: The system provides an environment to learn temporal bone surgery in a way similar to the experience with cadaver material where the subject is able to interact with the data without constraints (nondeterministic). Eventually, it may provide the “front end” to a large repository of various temporal bone pathologies that can be accessed through the Internet.

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SAMMUT, D., and D. EVANS. "The Bone Tie." Journal of Hand Surgery 24, no. 1 (February 1999): 64–69. http://dx.doi.org/10.1016/s0266-7681(99)90035-9.

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A new method of bone fixation is described, using a small stainless steel device to provide compression between fragments with a single drill hole. The Bone Tie uses an old architectural principle to hold bone fragments together with minimal surgical dissection for access. The technique has been used in 14 cases, and the results are presented. In ten cases the outcome was good. Complications were encountered in four, mostly through technical error, although the final outcomes were acceptable.

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Agus, Marco, Andrea Giachetti, Enrico Gobbetti, Gianluigi Zanetti, and Antonio Zorcolo. "Real-Time Haptic and Visual Simulation of Bone Dissection." Presence: Teleoperators and Virtual Environments 12, no. 1 (February 2003): 110–22. http://dx.doi.org/10.1162/105474603763835378.

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Bone dissection is an important component of many surgical procedures. In this paper, we discuss a haptic and visual simulation of a bone-cutting burr that is being developed as a component of a training system for temporal bone surgery. We use a physically motivated model to describe the burr-bone interaction, which includes haptic forces evaluation, the bone erosion process, and the resulting debris. The current implementation, directly operating on a voxel discretization of patient-specific 3D CT and MR imaging data, is efficient enough to provide real-time feedback on a low-end multiprocessing PC platform.

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Gardner, E. G., J. Sappington, M. A. Arriaga, and S. P. Kanotra. "Ultrasonic bone aspirator use in endoscopic ear surgery: feasibility and safety assessed using cadaveric temporal bones." Journal of Laryngology & Otology 131, no. 11 (September 18, 2017): 987–90. http://dx.doi.org/10.1017/s0022215117001955.

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AbstractObjectives:To describe the feasibility and assess the safety of using an ultrasonic bone aspirator in endoscopic ear surgery.Methods:Five temporal bones were dissected via endoscopic ear surgery using a Sonopet ultrasonic bone aspirator. Atticoantrostomy was undertaken. Another four bones were dissected using routine endoscopic equipment and standard bone curettes in a similar manner. Feasibility and safety were assessed in terms of: dissection time, atticoantrostomy adequacy, tympanomeatal flap damage, chorda tympani nerve injury, ossicular injury, ossicular chain disruption, facial nerve exposure and dural injury.Results:The time taken to perform atticoantrostomy was significantly less with the use of the ultrasonic bone aspirator as compared to conventional bone curettes.Conclusion:The ultrasonic bone aspirator is a feasible option in endoscopic ear surgery. It enables easy bone removal, with no additional complications and greater efficacy than traditional bone curettes. It should be a part of the armamentarium for transcanal endoscopic ear surgery.

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Sabik, Olivia L., Juan F. Medrano, and Charles R. Farber. "Genetic Dissection of a QTL Affecting Bone Geometry." G3: Genes|Genomes|Genetics 7, no. 3 (January 11, 2017): 865–70. http://dx.doi.org/10.1534/g3.116.037424.

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&NA;, &NA;. "MODERN DISSECTION TECHNIQUES OF BONE, BIOMETALS, AND BIOPLASTICS." Plastic and Reconstructive Surgery 77, no. 4 (April 1986): 698. http://dx.doi.org/10.1097/00006534-198604000-00114.

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Yen, Ruoh-Fang, Mei-Hsiu Pan, Ya-Chin Tsai, and Yen-Wen Wu. "Aortic Dissection Detected on Three-Phase Bone Scintigraphy." Clinical Nuclear Medicine 28, no. 10 (October 2003): 858–60. http://dx.doi.org/10.1097/01.rlu.0000090946.77231.52.

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Farrior, Jay B. "Stapedectomy for the Home Temporal Bone Dissection Laboratory." Otolaryngology–Head and Neck Surgery 94, no. 4 (April 1986): 521–25. http://dx.doi.org/10.1177/019459988609400421.

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During the last 15 years, there has been a steady decline in the number of stapedectomies performed. Suggestions have been made to limit the residents’ training in stapes surgery as well as to determine who is qualified to perform stapedectomies.1 It is well recognized that the skills and precision required for a stapedectomy are different from those used in chronic ear surgery and, if these precise techniques are not used on a regular basis, one will lose the dexterity required for this operation. A technique has been developed that enables the resident or infrequent operator to improve his skills with stapedectomy in the laboratory, prior to being confronted with a patient. It should help to improve the residents’ surgical experience as well as maintain the surgical skills required for this operation.

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Fleming, J. C., S. Maskell, and N. Saunders. "Simulated procedure-based assessments in temporal bone dissection." Clinical Otolaryngology 37, no. 6 (December 2012): 498–99. http://dx.doi.org/10.1111/coa.12023.

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Meléndez García, José Manuel, Ana Sofía Araujo Da Costa, Teresa Rivera Schmitz, Carlos Miguel Chiesa Estomba, and Miriam Ileana Hamdan Zavarce. "Temporal Bone Dissection Practice Using a Chicken Egg." Otology & Neurotology 35, no. 6 (July 2014): 941–43. http://dx.doi.org/10.1097/mao.0000000000000390.

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Rastatter, Jeffery C., Greg Wiet, Sumit Bapna, Marc Packard, and Alan Richard Grimm. "R105: Validation of a Temporal Bone Dissection Simulator." Otolaryngology–Head and Neck Surgery 137, no. 2_suppl (August 2007): P186—P187. http://dx.doi.org/10.1016/j.otohns.2007.06.441.

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Naik, Mahendra, Nainjot Bains, and Sulabha Naik. "Cadaveric Temporal Bone Dissection: Is It Obsolete Today?" International Archives of Otorhinolaryngology 18, no. 01 (November 21, 2013): 063–67. http://dx.doi.org/10.1055/s-0033-1351681.

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Morris, D. P., D. A. Luff, S. P. Hargreaves, and M. P. Rothera. "Bones of contention. The supply of temporal bones for dissection: the legalities, problems and solutions." Journal of Laryngology & Otology 112, no. 12 (December 1998): 1138–41. http://dx.doi.org/10.1017/s0022215100142689.

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AbstractTemporal bone dissection is considered to be an important aspect of the otological training of the Specialist Registrar with dissection skills being formally assessed in the Intercollegiate Fellowship Examination. However the procurement of cadaveric specimens suitable for dissection may be fraught with difficulties. The authors take an historical perspective to clarify the existing legal issues and outline the means available to improve supply.

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Stavrakas, M., G. Menexes, S. Triaridis, P. Bamidis, J. Constantinidis, and P. D. Karkos. "Objective structured assessment of technical skill in temporal bone dissection: validation of a novel tool." Journal of Laryngology & Otology 135, no. 6 (May 12, 2021): 518–28. http://dx.doi.org/10.1017/s0022215121001201.

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AbstractObjectiveThis study developed an assessment tool that was based on the objective structured assessment for technical skills principles, to be used for evaluation of surgical skills in cortical mastoidectomy. The objective structured assessment of technical skill is a well-established tool for evaluation of surgical ability. This study also aimed to identify the best material and printing method to make a three-dimensional printed temporal bone model.MethodsTwenty-four otolaryngologists in training were asked to perform a cortical mastoidectomy on a three-dimensional printed temporal bone (selective laser sintering resin). They were scored according to the objective structured assessment of technical skill in temporal bone dissection tool developed in this study and an already validated global rating scale.ResultsTwo external assessors scored the candidates, and it was concluded that the objective structured assessment of technical skill in temporal bone dissection tool demonstrated some main aspects of validity and reliability that can be used in training and performance evaluation of technical skills in mastoid surgery.ConclusionApart from validating the new tool for temporal bone dissection training, the study showed that evolving three-dimensional printing technologies is of high value in simulation training with several advantages over traditional teaching methods.

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Bento, Ricardo Ferreira, Bruno Aragão Rocha, Edson Leite Freitas, and Fernando de Andrade Balsalobre. "Otobone®: Three-dimensional printed Temporal Bone Biomodel for Simulation of Surgical Procedures." International Archives of Otorhinolaryngology 23, no. 04 (May 31, 2019): e451-e454. http://dx.doi.org/10.1055/s-0039-1688924.

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Introduction The anatomy of the temporal bone is complex due to the large number of structures and functions grouped in this small bone space, which do not exist in any other region in the human body. With the difficulty of obtaining anatomical parts and the increasing number of ear, nose and throat (ENT) doctors, there was a need to create alternatives as real as possible for training otologic surgeons. Objective Developing a technique to produce temporal bone models that allow them to maintain the external and internal anatomical features faithful to the natural bone. Methods For this study, we used a computed tomography (CT) scan of the temporal bones of a 30-year-old male patient, with no structural morphological changes or any other pathology detected in the examination, which was later sent to a 3D printer in order to produce a temporal bone biomodel. Results After dissection, the lead author evaluated the plasticity of the part and its similarity in drilling a natural bone as grade “4” on a scale of 0 to 5, in which 5 is the closest to the natural bone and 0 the farthest from the natural bone. All structures proposed in the method were found with the proposed color. Conclusion It is concluded that it is feasible to use biomodels in surgical training of specialist doctors. After dissection of the bone biomodel, it was possible to find the anatomical structures proposed, and to reproduce the surgical approaches most used in surgical practice and training implants.

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Shine, Neville Patrick, Peter G. O'Sullivan, Joseph Connell, Pawel Rulikowski, and John Barrett. "Digital Spectral Analysis of the Drill-Bone Acoustic Interface During Temporal Bone Dissection." Otology & Neurotology 27, no. 5 (August 2006): 728–33. http://dx.doi.org/10.1097/01.mao.0000226295.34542.07.

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Allison, Wes A., S. Todd Hamilton, and Arun K. Gadre. "Temporal Bone Simulator as a Training and Assessment Tool for Temporal Bone Dissection." Laryngoscope 120, S3 (October 2010): S64. http://dx.doi.org/10.1002/lary.21251.

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Fujimoto, Keita, Hiroki Kato, Yo Kaneko, Mitsuhiro Aoki, Bunya Kuze, Keizo Kato, Toshiyuki Shibata, and Masayuki Matsuo. "Clavicle fracture following neck dissection: imaging features and natural course." British Journal of Radiology 92, no. 1100 (August 2019): 20190054. http://dx.doi.org/10.1259/bjr.20190054.

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Objective: This study aimed to assess the imaging features and natural course of clavicle fracture following neck dissection (ND). Methods and materials: Eight patients with clavicle fracture following ND were included. Because bilateral clavicle fractures occurred in one patient, a total of nine clavicle fractures following ND were assessed using CT images. Pathological fracture due to bone metastasis or local recurrence was carefully ruled out. Results: The time interval from ND to clavicle fracture ranged from 2 to 8 months (median, 4 months). On CT images, all the nine fractures occurred in the proximal clavicles and displayed increased bone marrow density with extraosseous soft-tissue mass formation. Osteolysis of the clavicle was not observed. Intra articular fractures were observed in three (33%), displaced fractures in two (22%), and free bone fragments in three (33%) cases. Further follow-up using CT showed that six (67%) fractures resulted in pseudoarthrosis. For the remaining three (33%) fractures with bone union during follow-up, the time interval between clavicle fracture and bone union ranged from 4 to 16 months (median, 6 months). Conclusion: Proximal clavicle fractures, which are rarely observed following ND, always display extraosseous soft-tissue mass formation without osteolysis. They frequently result in pseudoarthrosis; however, occasionally, they also result in bone union within 24 weeks. Advances in knowledge: The location of proximal clavicle, the lack of osteolysis, and the presence of free bone fragments may be the key to diagnosis of clavicle fracture following ND.

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Vanek, C., J. N. Kansagor, T. Munsey, D. A. Olson, J. K. Belknap, M. Shea, E. S. Orwoll, and R. F. Klein. "400 GENETIC DISSECTION OF FEMORAL BONE STRENGTH IN MICE." Journal of Investigative Medicine 53, no. 1 (January 1, 2005): S148.4—S148. http://dx.doi.org/10.2310/6650.2005.00005.399.

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Yukawa, Satomi, Shiro Yamamoto, and Hitoshi Hara. "Carotid Artery Dissection Associated with an Elongated Hyoid Bone." Journal of Stroke and Cerebrovascular Diseases 23, no. 8 (September 2014): e411-e412. http://dx.doi.org/10.1016/j.jstrokecerebrovasdis.2014.04.006.

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Mavrovi, Erti, Rémy Rosset, Aurélien Dupré, Helen Jane Boyle, Philippe Thiesse, and Bertrand Richioud. "Spinal bone marrow necrosis after retroperitoneal lymph node dissection." Spine Journal 16, no. 8 (August 2016): e509-e510. http://dx.doi.org/10.1016/j.spinee.2016.01.184.

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Cheung, Laurence, Anastasia Hughes, Ursula Kees, Jennifer Tickner, and Rishi Kotecha. "DISSECTION OF THE PRE-B LEUKAEMIA BONE MARROW MICROENVIRONMENT." Experimental Hematology 76 (August 2019): S62. http://dx.doi.org/10.1016/j.exphem.2019.06.342.

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Effendi, Sabih T., Eric N. Momin, Jaafar Basma, L. Madison Michael, and Edward A. M. Duckworth. "The Ultimate Skull Base Maneuver Does Not Involve Removing Bone: Quantifying the Benefits of the Interfascial Dissection." Journal of Neurological Surgery Part B: Skull Base 81, no. 01 (February 18, 2019): 062–67. http://dx.doi.org/10.1055/s-0039-1679886.

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Introduction Several adjunctive osteal skull base maneuvers have been proposed to increase surgical exposure of the anterolateral approach. However, one of the easiest methods does not involve bone: the interfascial temporalis muscle dissection. Methods Sequential dissections were performed bilaterally on five fixed silicone-injected cadaver heads. The amount of sphenoid drilling, scalp retraction, and brain retraction was standardized in all specimens. For each approach, surgical angles were measured for four deep targets: the tip of the anterior clinoid process, the internal carotid artery terminus, the origin of the posterior communicating artery, and the anterior communicating artery. Five surgical angles were measured for each target. Results There were increases on the order of 20% in the anteroposterior (AP)-mid, AP–lateral, and mediolateral–anterior angles for all deep targets with interfascial approach versus a myocutaneous flap. An orbitozygomatic osteotomy additionally increased almost all the angles, but incrementally less so. Conclusion An interfascial dissection increases the surgical exposure to a larger degree than additional osteotomies for several surgically relevant working angles. The addition of an orbitozygomatic osteotomy affords a particular benefit for the suprachiasmatic region. Increased adoption of interfascial mobilization or the temporalis muscle—an easily performed and low-risk maneuver—during anterolateral craniotomies may obviate the need for more involved skull base drilling.

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Ljunggren, Östen, and Sverker Ljunghall. "Carboxyterminal telopeptide of type I collagen, ICTP, as a marker of matrix degradation in neonatal mouse calvarial bones, in vitro." Bioscience Reports 12, no. 5 (October 1, 1992): 407–11. http://dx.doi.org/10.1007/bf01121504.

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Bone resorption, in vitro, is often measured as the release of prelabelled45Ca from neonatal mouse calvarial bones, or from fetal rat long bones. In this report we describe a technique to measure the breakdown of bone-matrix, in vitro. We also describe a new way to dissect neonatal mouse calvarial bones, in order to obtain large amounts of bone samples. Twelve bone fragments were dissected out from each mouse calvaria and were thereafter cultured in CMRL 1066 culture medium in serum-free conditions in 0.5 cm2 multiwell culture dishes. Matrix degradation after treatment with parathyroid hormone was assessed by measuring the amount of carboxyterminal telopeptide of type I collagen (ICTP) by RIA. The data on matrix degradation was compared to the release of prelabelled45Ca from neonatal mouse calvarial bones. We found that the dose-responses for parathyroid hormone-induced release of prelabelled45Ca and ICTP were identical. In conclusion: RIA-analysis of the ICTP-release is an easy and accurate method to measure degradation of bone-matrix, in vitro. Furthermore, the new dissection technique, described in this report, makes it easy to obtain large amounts of bone samples and thus to perform extensive experiments, e.g. dose-responses for agents that enhance bone resorption.

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Lindsey, L. A., and I. Hopper. "Temporal bone dissection using a low cost miniature electric drill." Journal of Laryngology & Otology 107, no. 8 (August 1993): 721–22. http://dx.doi.org/10.1017/s0022215100124235.

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AbstarctThe performance of various specialzed and general purpose drills was assessed for use in temporal bone dissection. The Minicraft MB120 and MB130 were found to be as effective as specialized drills but with grater convenience and much reduced cost. The use of these drills allows high quality temporal bone dessection to be performed on a limited budget.

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Sedney, Cara L., and Charles L. Rosen. "Cervical abnormalities causing vertebral artery dissection in children." Journal of Neurosurgery: Pediatrics 7, no. 3 (March 2011): 272–75. http://dx.doi.org/10.3171/2010.12.peds10106.

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Vertebral artery dissection (VAD) is rare in children but is increasingly recognized as a cause of stroke in the pediatric population. Traditionally, VAD was thought to be attributable to either trauma or spontaneous dissections. Recently, several underlying causes, such as bony cervical abnormalities, connective tissue diseases, and infection, have been determined to account for spontaneous VAD or those cases associated with only minor trauma. Two pediatric cases of VAD are presented, both caused by bony cervical abnormalities and each treated with different surgical procedures for symptom resolution. The first case required suboccipital decompression and endovascular sacrifice of the vertebral artery. The second case was treated with surgical decompression of the foramen transversarium at C-1 and C-2. The treatment of both of these patients required accurate diagnosis via cervical spine CT to define the bone anatomy and delineate a cause for what was originally theorized to be spontaneous VAD.

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Locketz, Garrett D., Justin T. Lui, Sonny Chan, Kenneth Salisbury, Joseph C. Dort, Patricia Youngblood, and Nikolas H. Blevins. "Anatomy-Specific Virtual Reality Simulation in Temporal Bone Dissection: Perceived Utility and Impact on Surgeon Confidence." Otolaryngology–Head and Neck Surgery 156, no. 6 (March 21, 2017): 1142–49. http://dx.doi.org/10.1177/0194599817691474.

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Objective To evaluate the effect of anatomy-specific virtual reality (VR) surgical rehearsal on surgeon confidence and temporal bone dissection performance. Study Design Prospective pre- and poststudy of a novel virtual surgical rehearsal platform. Setting Academic otolaryngology–head and neck surgery residency training programs. Subjects and Methods Sixteen otolaryngology–head and neck surgery residents from 2 North American training institutions were recruited. Surveys were administered to assess subjects' baseline confidence in performing 12 subtasks of cortical mastoidectomy with facial recess. A cadaver temporal bone was randomly assigned to each subject. Cadaver specimens were scanned with a clinical computed tomography protocol, allowing the creation of anatomy-specific models for use in a VR surgical rehearsal platform. Subjects then rehearsed a virtual mastoidectomy on data sets derived from their specimens. Surgical confidence surveys were administered again. Subjects then dissected assigned cadaver specimens, which were blindly graded with a modified Welling scale. A final survey assessed the perceived utility of rehearsal on dissection performance. Results Of 16 subjects, 14 (87.5%) reported a significant increase in overall confidence after conducting an anatomy-specific VR rehearsal. A significant correlation existed between perceived utility of rehearsal and confidence improvement. The effect of rehearsal on confidence was dependent on trainee experience and the inherent difficulty of the surgical subtask. Postrehearsal confidence correlated strongly with graded dissection performance. Subjects rated anatomy-specific rehearsal as having a moderate to high contribution to their dissection performance. Conclusion Anatomy-specific virtual rehearsal improves surgeon confidence in performing mastoid dissection, dependent on surgeon experience and task difficulty. The subjective confidence gained through rehearsal correlates positively with subsequent objective dissection performance.

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Carter, L. Philip. "Instrumentation for microsurgical osseous dissection." Journal of Neurosurgery 76, no. 1 (January 1992): 156–58. http://dx.doi.org/10.3171/jns.1992.76.1.0156.

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✓ The use of the operating microscope has revolutionized the surgical approach to many neurosurgical diseases. The microscope has provided magnification, binocular vision, and excellent lighting in the depths of neurosurgical wounds, allowing the performance of exceedingly delicate procedures that were previously impossible. Occasionally, an operative approach demands microscopic bone dissection. Instrumentation has been developed for working with soft tissue, but special instruments for osseous dissection have not been available. A set of newly developed punches and curettes with a bayonetted offset is described. These keep the surgeon's hand out of the operating field and allow unimpeded visualization through the operating microscope. These prototype instruments have been used successfully in over 100 microscopic neurosurgical procedures.

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Ravishankar, Mathada Vamadevaiah, Vidya Chikkarahalli Srikantaiah, Nagavalli Basavanna Pushpa, and Sapna Patel. "Hyperostosis Frontalis Interna and Temporalis Interna: A Rare Case Report." Galician Medical Journal 29, no. 3 (September 1, 2022): E202238. http://dx.doi.org/10.21802/gmj.2022.3.8.

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Hyperostosis is a slow-growing benign bone tumour often seen in the bones of the cranial vault, more commonly found in elderly females. It is an incidental finding noted during radiological examination. The clinical manifestation of such tumour depends on its location inside the cranial cavity: the proximity to the paranasal sinuses, brain tissue, nerves, or blood vessels, etc. Its clinical findings may range from mild obstruction of the paranasal sinuses or blood vessels to severe compression of the surrounding cranial nerves. Here a rare case of hyperostosis of the frontal and temporal bones found during a routine cadaveric dissection in the Department of Anatomy is presented. Causes of the formation of such unusually enlarged bone masses inside the cranial cavity and their clinical presentation are discussed.

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Shodo, R., Y. Sato, H. Ota, and A. Horii. "Clavicle fracture with osteomyelitis after neck dissection and post-operative radiotherapy: case report." Journal of Laryngology & Otology 131, no. 11 (August 15, 2017): 1026–29. http://dx.doi.org/10.1017/s0022215117001748.

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AbstractBackground:Non-traumatic bone fractures in cancer patients are usually pathological fractures due to bone metastases. In head and neck cancer patients, clavicle stress fractures may occur as a result of atrophy of the trapezius muscle after neck dissection in which the accessory nerve becomes structurally or functionally damaged.Case report:A 71-year-old man underwent modified radical neck dissection with accessory nerve preservation and post-operative radiotherapy for submandibular lymph node metastases of tongue cancer. Four weeks after the radiotherapy, a clavicle fracture, with osteomyelitis and abscess formation in the pectoralis major muscle, occurred. Unlike in simple stress fracture, long-term antibiotic administration and drainage surgery were required to suppress the inflammation.Conclusion:As seen in the present patient, clavicle stress fractures may occur even after neck dissection in which the accessory nerve is preserved, and may be complicated by osteomyelitis and abscess formation owing to risk factors such as radiotherapy, tracheostomy and contiguous infection.

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Adoga, SamuelA, BenjaminT Ugwu, GeorgeO Nwaorgu, NuhuD Maan, and BabatankoM Umar. "Temporal bone dissection skill: A necessity for life otologic surgeries?" Indian Journal of Otology 17, no. 2 (2011): 71. http://dx.doi.org/10.4103/0971-7749.91041.

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&NA;, &NA;. "MODERN DISSECTION TECHNIQUES OF BONE, BIOMETALS, AND BIOPLASTICS (NEURO 700)." Plastic and Reconstructive Surgery 77, no. 5 (May 1986): 875. http://dx.doi.org/10.1097/00006534-198605000-00113.

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Zhao, Yi Chen, Gregor Kennedy, Kumiko Yukawa, Brian Pyman, and Stephen O’Leary. "Improving Temporal Bone Dissection Using Self-Directed Virtual Reality Simulation." Otolaryngology–Head and Neck Surgery 144, no. 3 (December 30, 2010): 357–64. http://dx.doi.org/10.1177/0194599810391624.

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Hill, Michael D., Diana Czechowsky, Peter Forsyth, and James R. Perry. "Heritable Bone Disease and Stroke due to Vertebral Artery Dissection." Cerebrovascular Diseases 12, no. 1 (2001): 73–74. http://dx.doi.org/10.1159/000047684.

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