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Skin AND anatomy

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https://www.readbyqxmd.com/read/28095914/vascular-mapping-of-the-retroauricular-skin-proposal-for-a-posterior-superior-surgical-incision-for-transcutaneous-bone-conduction-hearing-implants
#1
Adam Perenyi, Zsofia Bere, Janos Jarabin, Balazs Sztano, Edit Kukla, Ziad Bikhazi, Laszlo Tiszlavicz, Ferenc Toth, Jozsef Geza Kiss, Laszlo Rovo
BACKGROUND: Passive transcutaneous osseointegrated hearing implant systems have become increasingly popular more recently. The area over the implant is vulnerable due to vibration and pressure from the externally worn sound processor. Good perfusion and neural integrity has the potential to reduce complications. The authors' objective was to determine the ideal surgical exposure to maintain perfusion and neural integrity and decrease surgical time as a result of reduced bleeding. METHODS: The vascular anatomy of the temporal-parietal soft tissue was examined in a total of 50 subjects...
January 17, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28095534/an-anatomical-approach-to-evaluating-and-treating-cellulite
#2
Mitalee P Christman, Daniel Belkin, Roy G Geronemus, Jeremy A Brauer
Cellulite is the common rippling or dimpling of skin of the thighs and buttocks of women, formed from a confluence of skin laxity, tethering fibrous septa, and fat herniation. We describe an anatomical approach to evaluating the cellulite patient and selecting the best treatment from among available non-invasive, minimally invasive, and invasive therapies. It is crucial to consider the anatomy of the patient and the morphology of cellulite while choosing a treatment. Diffuse rippling represents increased adiposity and/or increased skin laxity which may stand to benefit from lipolytic and skin tightening modalities...
January 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28065407/venous-drainage-of-the-face
#3
S Onishi, N Imanishi, Y Yoshimura, Y Inoue, Y Sakamoto, H Chang, T Okumoto
The venous anatomy of the face was examined in 12 fresh cadavers. Venograms and arteriovenograms were obtained after the injection of contrast medium. In 8 of the 12 cadavers, a large loop was formed by the facial vein, the supratrochlear vein, and the superficial temporal vein, which became the main trunk vein of the face. In 4 of the 12 cadavers, the superior lateral limb of the loop vein was less well developed. The loop vein generally did not accompany the arteries of the face. Cutaneous branches of the loop vein formed a polygonal venous network in the skin, while communicating branches ran toward deep veins...
December 14, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28058777/platysma-sparing-vascularized-submental-lymph-node-flap-transfer-for-extremity-lymphedema
#4
Igor Poccia, Chia-Yu Lin, Ming-Huei Cheng
BACKGROUND AND OBJECTIVES: Due to its consistent vascular and lymphatic anatomy, the vascularized submental lymph node flap is a reliable option for lymphedema treatment. Despite these advantages, flap harvest requires resection of platysma, which may cause a marginal mandibular nerve pseudo-paralysis. The aim of this study was to investigate the donor site morbidity of an innovative platysma-sparing vascularized submental lymph node flap transfer for treating extremity lymphedema. METHODS: Ten patients undergoing platysma sparing submental lymph-node flap harvest were prospectively enrolled in the study and compared with a control group of 10 patients who underwent standard submental lymph-node flap harvest...
January 6, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28052582/magnetically-driven-nanoparticles-18-fdg-radiolabelling-and-positron-emission-tomography-biodistribution-study
#5
Mariarosaria De Simone, Daniele Panetta, Emilia Bramanti, Cristiana Giordano, Maria C Salvatici, Lisa Gherardini, Arianna Menciassi, Silvia Burchielli, Caterina Cinti, Piero A Salvadori
Superparamagnetic iron oxide nanoparticles (SPIONs) have received increasing interest as contrast media in biomedical imaging and innovative therapeutic tools, in particular for loco-regional ablative treatments and drug delivery. The future of therapeutic applications would strongly benefit from improving the capability of the nanostructured constructs to reach the selected target, in particular beyond the intravascular space. Besides the decoration of SPIONs surface with ad hoc bioactive molecules, external magnetic fields are in principle able to remotely influence SPIONs' physiological biodistribution and concentrate them to a specific anatomical region or portion of a tissue...
November 2016: Contrast Media & Molecular Imaging
https://www.readbyqxmd.com/read/28048632/tu-d-209-03-alignment-of-the-patient-graphic-model-using-fluoroscopic-images-for-skin-dose-mapping
#6
A Oines, A Oines, J Kilian-Meneghin, B Karthikeyan, S Rudin, D Bednarek
PURPOSE: The Dose Tracking System (DTS) was developed to provide realtime feedback of skin dose and dose rate during interventional fluoroscopic procedures. A color map on a 3D graphic of the patient represents the cumulative dose distribution on the skin. Automated image correlation algorithms are described which use the fluoroscopic procedure images to align and scale the patient graphic for more accurate dose mapping. METHODS: Currently, the DTS employs manual patient graphic selection and alignment...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047009/su-f-j-181-an-alternative-patient-alignment-tool-on-tomotherapy-the-first-in-human-megavoltage-topogram-acquisition
#7
L Yang, D Low, P Lee, D Ruan, R Chin, T Kaprealian, M Kamrava, P Kupelian, P Beron, M Steinberg, A Chen, N Agazaryan, S Ray, X Qi
PURPOSE: To show the first in-human Megavoltage (MV)-Topogram acquisition for the evaluation of the potential for MV-Topogram-based alignment as an alternative to MVCT for reducing dose and imaging time. METHODS: A lung cancer patient was enrolled in an ongoing IRB-approved clinical trial at our institute. The patient was set up using the clinical protocol employing positioning lasers. 3.2mm diameter tungsten spheres were placed on the patient's skin at their alignment tattoos to check surface-based marker concordance between topograms and MVCT...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046939/su-g-tep4-11-implementation-of-a-non-measurement-based-patient-specific-imrt-qa-program
#8
S Chen, M Guerrero, B Zhang, B Yi, S Mossahebi, K Prado, W D'Souza, K Langen
PURPOSE: To implement a comprehensive non-measurement-based verification program for patient-specific IMRT QA METHODS: Based on published guidelines, a robust IMRT QA program should assess the following components: 1) accuracy of dose calculation, 2) accuracy of data transfer from the treatment planning system (TPS) to the record-and-verify (RV) system, 3) treatment plan deliverability, and 4) accuracy of plan delivery. RESULTS: We have implemented an IMRT QA program that consist of four components: 1) an independent re-calculation of the dose distribution in the patient anatomy with a commercial secondary dose calculation program: Mobius3D (Mobius Medical Systems, Houston, TX), with dose accuracy evaluation using gamma analysis, PTV mean dose, PTV coverage to 95%, and organ-at-risk mean dose; 2) an automated in-house-developed plan comparison system that compares all relevant plan parameters such as MU, MLC position, beam iso-center position, collimator, gantry, couch, field size settings, and bolus placement, etc...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046821/su-g-201-07-dosimetric-verification-of-a-3d-printed-hdr-skin-brachytherapy-applicator
#9
K Rasmussen, A Baumgarten, D Stanley, C Pelletier, M Corbett, J Jung, Y Feng, Z Huang, A Ju, T Eng, N Kirby, A Gutierrez, S Stathakis, N Papanikolaou
PURPOSE: The use of radiation as a treatment modality for skin cancer has increased significantly over the last decade with standardized applicators. Utilizing 3D printing, the ability to make applicators specifically designed for each patient's anatomy has become economically feasible. With this in mind it was the aim of this study to determine the dosimetric accuracy of a 3-D printed HDR brachytherapy applicator for the skin. METHODS: A CT reference image was used to generate a custom applicator based on an anthropomorphic head and neck phantom...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046639/su-f-t-85-energy-modulated-electron-postmastectomy-unreconstructed-pu-chest-wall-cw-irradiation-technique-to-achieve-heart-sparing
#10
L Hong, A Ballangrud, B McCormick, J Mechalakos
PURPOSE: For left-sided PU patients requiring CW and nodal irradiation, sometimes partial wide tangents (PWT) are not feasible due to abnormal chest wall contour or heart position close to the anterior chest wall or unusual wide excision scar. We developed an energy modulated electron chest wall irradiation technique that will achieve heart sparing. METHODS: Ten left-sided PU patients were selected for this dosimetry study. If PWT were used, the amount of the ipsilateral lung would be ranged 3...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28040808/periocular-fillers-and-related-anatomy
#11
Julie A Woodward
Aging of the periocular area involves changes of the skin, muscle, fat, and bones. Facial fillers can be helpful in minimizing these changes by restoring youthful fullness to periocular areas that have undergone volume loss or loss of support. Physicians should understand the complicated anatomy surrounding the eyes, both to understand the aging process and to minimize treatment complications.
November 2016: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28028407/endoscopic-anatomy-and-features-of-anterior-cervical-foraminotomy-by-destandau-technique
#12
Keyvan Mostofi, Reza Karimi Khouzani
BACKGROUND: Minimally invasive spine surgery limits surgical trauma and avoids traditional open surgery so in the majority of cases, recovery is much quicker and patients have less pain after surgery. AIM: The authors describe an endoscopic approach to anterior cervical foraminotomy (ACF) by Destandau's method. MATERIAL AND METHODS: Anterior cervical foraminotomy by Destandau's method is carried out under general anaesthesia. A 3 cm transverse skin incision is used just slightly past the anterior border of the sternocleidomastoid's muscle laterally...
December 15, 2016: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28027252/evidence-based-medicine-face-lift
#13
Brian M Derby, Mark A Codner
LEARNING OBJECTIVES: After studying this article, the participants should be able to: 1. Describe pertinent surgical anatomy relevant to safe and effective face-lifting techniques. 2. Identify key aspects of facial aging. 3. Incorporate risk-reduction strategies during preoperative assessment. 4. Tailor their approach to face lifting based on patient anatomy. 5. Identify and treat complications after face-lift surgery. 6. Incorporate use of valid patient outcomes assessment tools in their practice to facilitate standardized outcomes reporting in the face-lift literature...
January 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28027251/evidence-based-medicine-a-graded-approach-to-lower-lid-blepharoplasty
#14
Ahmed M Hashem, Rafael A Couto, Joshua T Waltzman, Richard L Drake, James E Zins
LEARNING OBJECTIVES: After studying this article, the participant should be able to: 1. Define the anatomy of the lower eyelid tarsoligamentous framework and the related periorbital retaining ligaments, and cite their surgical relevance. 2. Perform a systematic functional and aesthetic evaluation of the lower eyelid focusing on the lid-cheek junction, and clinical tests that predict the need for lateral canthal tightening. 3. Enumerate the different approaches to lower eyelid rejuvenation and discuss their merits/limitations...
January 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28027174/anatomy-of-the-platysma-muscle
#15
Kun Hwang, Ji Yeon Kim, Jae Hyun Lim
The aim of this paper was to review the anatomy the platysma systematically.The term "platysma AND anatomy" was used to search PubMed and Scopus, producing 394 and 214 papers, respectively. After excluding 95 duplicate titles, 513 abstracts and 98 full papers were reviewed. Among these 98 papers, 83 were excluded and 5 were added. Ultimately, 20 papers were analyzed.The most common aging-related change of the platysma was shortening (70.7%), followed by thinning (25.2%). The platysma most commonly originated from the upper portion of thorax anterior to clavicle (67...
December 23, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28026846/vascular-anatomy-of-the-thenar-eminence-its-relevance-to-a-pedicled-or-free-thenar-flap
#16
Ana Zekavica, Milan Milisavljević, Dražan Erić, Branislava Ćurčić, Sunčica Popović, Biljana Vitošević, Aleksandra Dožić, Bojan Štimec, Radovan Manojlović
BACKGROUND: The aim of this study was to clarify the arterial supply of the skin covering the prominent part of the thenar eminence in order to describe the possibility and potential for harvesting a pedicled or a free flap from the thenar eminence. MATERIALS AND METHODS: The arteries were studied in 30 post-mortem specimens of human hands; 3 previously perfused with 4% formaldehyde solution, and injected with black India ink, and 27 injected with methyl-methacrylate and afterwards corroded in 40% potassium hydroxide solution...
December 27, 2016: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28019647/a-novel-surrogate-to-identify-anatomical-changes-during-radiotherapy-of-head-and-neck-cancer-patients
#17
Sébastien A A Gros, William Xu, John C Roeske, Mehe Choi, Bahman Emami, Murat Surucu
To develop a novel method to monitor external anatomical changes in head and neck cancer patients in order to triage possible adaptive radiotherapy needs METHODS: The presented approach aims to provide information on internal anatomical changes based on variations observed in external anatomy. Setup Cone Beam Computed Tomography (CBCT) images are processed to produce an accurate external contour of the patient's skin. After registering the CBCTs to the reference planning CT, the external contours from each CBCT are transferred to the initial- first week - CBCT...
December 26, 2016: Medical Physics
https://www.readbyqxmd.com/read/28012842/reconstruction-of-the-isolated-columellar-defect-a-novel-2-stage-technique-and-review-of-the-literature
#18
Brian S Pan, Anthony T Vu, Scott J Rapp, Nick J Saenger
The importance of the nasal complex cannot be overstated from a functional, social, and psychological perspective. The goal of reconstruction is to restore the trilaminar composition of the nose. This is accomplished by recreating the nasal lining and providing a cartilaginous framework to simultaneously support a patent airway and project the defining features to the overlying soft tissue. The columella is one of the smallest subunits of the nose, but the loss of this structure has important esthetic and structural implications...
December 10, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28007030/ultrasound-anatomy-of-the-transversus-abdominis-plane-region-in-pregnant-women-before-and-after-cesarean-delivery
#19
Nicholas Kiefer, Stefanie Krahe, Ulrich Gembruch, Stefan Weber
BACKGROUND: After cesarean delivery, analgesia is often incomplete and a multimodal approach to analgesia is necessary. Transverse abdominal plane (TAP) block has been advocated in this setting, yet no systematic description of the ultrasound anatomy in pregnant women exists in the literature. Therefore, we aimed to describe the sonographical features of relevant structures in pregnant women before and after elective cesarean. METHODS: Sixty women at, or close to term scheduled for elective cesarean delivery underwent a standardized ultrasound examination before and after delivery...
December 22, 2016: BMC Anesthesiology
https://www.readbyqxmd.com/read/28002229/evaluation-of-ultrasound-assisted-thoracic-epidural-placement-in-patients-undergoing-upper-abdominal-and-thoracic-surgery-a-randomized-double-blind-study
#20
David B Auyong, Lucy Hostetter, Stanley C Yuan, April E Slee, Neil A Hanson
BACKGROUND AND OBJECTIVES: The placement of thoracic epidurals can be technically challenging and requires a thorough understanding of neuraxial anatomy. Although ultrasound imaging of the thoracic spine has been described, no outcome studies on the use of this imaging have been performed. We evaluated whether preprocedural ultrasound of the thoracic spine would facilitate the process of epidural catheterization. METHODS: Subjects undergoing thoracic or upper abdominal surgery with planned thoracic epidural placement at T10 or higher were enrolled in this randomized double-blind study...
December 19, 2016: Regional Anesthesia and Pain Medicine
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