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Skin AND anatomy

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https://www.readbyqxmd.com/read/29772057/a-4d-global-respiratory-motion-model-of-the-thorax-based-on-ct-images-a-proof-of-concept
#1
H Fayad, M Gilles, T Pan, D Visvikis
PURPOSE: Respiratory motion reduces the sensitivity and specificity of medical images especially in the thoracic and abdominal areas. It may affect applications such as cancer diagnostic imaging and/or radiation therapy (RT). Solutions to this issue include modelling of the respiratory motion in order to optimize both diagnostic and therapeutic protocols. Personalised motion modeling required patient specific four dimensional (4D) imaging which in the case of 4D computed tomography (4D CT) acquisition is associated with an increased dose...
May 17, 2018: Medical Physics
https://www.readbyqxmd.com/read/29768337/variation-in-origin-of-the-long-head-of-the-biceps-brachii-tendon-in-a-cadaver-a-case-report
#2
Shuji Katsuki, Hayato Terayama, Ryuta Tanaka, Ning Qu, Osamu Tanaka, Kanae Umemoto, Kaori Suyama, Kou Sakabe
INTRODUCTION: In general, the long head of the biceps brachii (LHB) tendon arises from the supraglenoid tubercle in the shoulder joint, and it has an important stabilizing mechanism for the humeral head in the shoulder joint. This case demonstrates that even if the LHB tendon can be palpated outside of the shoulder joint, it may disappear in the intertubercular sulcus (IS) and in the glenohumeral (GH) joint because of abnormal articulation. PATIENT CONCERNS: This case involved the cadaver of an 82-year-old Japanese man (number 1936, cause of death: hepatocellular tumor), who was selected from the bodies used for gross anatomy practice at the Tokai University School of Medicine in 2017...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29765274/review-of-eyelid-reconstruction-techniques-after-mohs-surgery
#3
REVIEW
Sagar Yatin Patel, Kamel Itani
Mohs micrographic surgery achieves high cure rates while preserving healthy tissue making it the optimal treatment for skin cancer. The goals of eyelid reconstruction after Mohs surgery include restoring eyelid structure and function while attaining acceptable aesthetic results. Given the variety of eyelid defects encountered after Mohs surgery, a thorough understanding of the complex eyelid anatomy as well as an in-depth knowledge of the numerous reconstructive techniques available are required to accomplish these reconstructive goals...
May 2018: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/29752798/review-of-human-hair-optical-properties-in-possible-relation-to-melanoma-development
#4
Xiyong Huang, Michael D Protheroe, Ahmed M Al-Jumaily, Sharad P Paul, Andrew N Chalmers
Immigration and epidemiological studies provide evidence indicating the correlation of high ultraviolet exposure during childhood and increased risks of melanoma in later life. While the explanation of this phenomenon has not been found in the skin, a class of hair has been hypothesized to be involved in this process by transmitting sufficient ultraviolet rays along the hair shaft to possibly cause damage to the stem cells in the hair follicle, ultimately resulting in melanoma in later life. First, the anatomy of hair and its possible contribution to melanoma development, and the tissue optical properties are briefly introduced to provide the necessary background...
May 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29749768/incontinence-associated-dermatitis-from-a-urinary-incontinence-perspective
#5
Mary Wilson
This article looks at incontinence-associated dermatitis (IAD) from the perspective of urinary incontinence (UI). IAD is caused by urine remaining on the skin following UI, which has many causes. It therefore should be assessed, treated and either resolved or managed to reduce the risk of IAD or its impact. The skin's anatomy and physiology are discussed and the changes resulting from IAD are explained. Should it occur, IAD can be treated by cleansing, moisturising and protecting the skin as appropriate, thus restoring its previous barrier functions...
May 10, 2018: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29733906/cadaver-based-trauma-procedural-skills-training-skills-retention-30-months-after-training-among-practicing-surgeons-in-comparison-to-experts-or-more-recently-trained-residents
#6
Colin F Mackenzie, Mark W Bowyer, Sharon Henry, Samuel A Tisherman, Adam Puche, Hegang Chen, Valerie Shalin, Kristy Pugh, Evan Garofalo, Stacy A Shackelford
BACKGROUND: Long-term retention of trauma procedural core-competency skills and need for re-training after a one-day cadaver-based course remains unknown. We measured and compared technical skills for trauma core competencies mean 14 months (38 residents), 30 months (35 practicing surgeons) and 46 months (10 experts) after training to determine if skill degradation occurs with time. Technical performance during extremity vascular exposures and lower-extremity fasciotomy in fresh cadavers measured by validated individual procedure score (IPS) was primary outcome...
May 4, 2018: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/29730470/the-existence-of-labial-smas-anatomical-imaging-and-histological-study
#7
Delia Hînganu, Mihaela Monica Scutariu, Marius Valeriu Hînganu
Cutaneous insertion of the facial mimic muscles concerns, at different levels, the superficial fascia of that region. A superficial musculoaponeurotic system is described at face level that facilitates skin insertion of the facial expression muscles through the superficial fascia that acquires particular functional aspects in each region of the face. The existence of a musculofascial system is seen controversial among anatomists, which is why the purpose of this study is to establish its existence at the oral region...
May 3, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29730469/normal-microscopic-anatomy-of-equine-body-and-limb-skin-a-morphological-and-immunohistochemical-study
#8
Elin Jørgensen, Giulia Lazzarini, Andrea Pirone, Stine Jacobsen, Vincenzo Miragliotta
INTRODUCTION: Information on microscopic anatomy of equine skin is sparse. In horses, limb wounds often become chronic and/or non-healing whereas body wounds heal normally. These dissimilarities in healing patterns might be a product of different phenotypic characteristics of body and limb skin. The objective of this study was to investigate microscopic anatomy, epidermal thickness, keratinocyte proliferation and differentiation as well as the presence of mast cells in normal equine skin of body and limb...
May 3, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29730061/computed-tomographic-angiographic-perforator-localization-for-virtual-surgical-planning-of-osteocutaneous-fibular-free-flaps-in-head-and-neck-reconstruction
#9
Kyle S Ettinger, Amy E Alexander, Kevin Arce
Virtual surgical planning (VSP), computer-aided design and computer-aided modeling, and 3-dimensional printing are 3 distinct technologies that have become increasingly used in head and neck oncology and microvascular reconstruction. Although each of these technologies has long been used for treatment planning in other surgical disciplines, such as craniofacial surgery, trauma surgery, temporomandibular joint surgery, and orthognathic surgery, its widespread use in head and neck reconstructive surgery remains a much more recent event...
April 10, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29729462/interdisciplinary-prevention-and-management-of-wound-related-complications-in-extracranial-to-intracranial-bypass-surgery
#10
Rintaro Yokoyama, Takeshi Mikami, Ryo Ukai, Katsuya Komatsu, Yusuke Kimura, Hime Suzuki, Toshimi Honma, Toru Hirano, Tamotsu Saito, Ken Yamashita, Takatoshi Yotsuyanagi, Kiyohiro Houkin, Nobuhiro Mikuni
Extracranial-to-intracranial (EC-IC) bypass surgery may be necessary in patients with moyamoya disease and other ischemic conditions. However, there is a potential risk of wound-related complications in some cases. In this study, we report our approach to prevention of wound-related complications in EC-IC bypass, and technical consideration and pitfalls of surgery are discussed. This study included 89 patients with ischemic-onset moyamoya disease and atherosclerotic disease, who underwent 108 superficial temporal artery (STA)-to-middle cerebral artery bypass procedures...
May 2, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29717546/the-dorsal-column-lesion-model-of-spinal-cord-injury-and-its-use-in-deciphering-the-neuron-intrinsic-injury-response
#11
REVIEW
Callan L Attwell, Mike van Zwieten, Joost Verhaagen, Matthew Rj Mason
The neuron-intrinsic response to axonal injury differs markedly between neurons of the peripheral and central nervous system. Following a peripheral lesion a robust axonal growth program is initiated, whereas neurons of the central nervous system do not mount an effective regenerative response. Increasing the neuron-intrinsic regenerative response would therefore be one way to promote axonal regeneration in the injured central nervous system. The large diameter sensory neurons located in the dorsal root ganglia are pseudo-unipolar neurons that project one axon branch into the spinal cord, and, via the dorsal column to the brain stem, and a peripheral process to the muscles and skin...
May 1, 2018: Developmental Neurobiology
https://www.readbyqxmd.com/read/29708204/through-the-hololens%C3%A2-looking-glass-augmented-reality-for-extremity-reconstruction-surgery-using-3d-vascular-models-with-perforating-vessels
#12
Philip Pratt, Matthew Ives, Graham Lawton, Jonathan Simmons, Nasko Radev, Liana Spyropoulou, Dimitri Amiras
Precision and planning are key to reconstructive surgery. Augmented reality (AR) can bring the information within preoperative computed tomography angiography (CTA) imaging to life, allowing the surgeon to 'see through' the patient's skin and appreciate the underlying anatomy without making a single incision. This work has demonstrated that AR can assist the accurate identification, dissection and execution of vascular pedunculated flaps during reconstructive surgery. Separate volumes of osseous, vascular, skin, soft tissue structures and relevant vascular perforators were delineated from preoperative CTA scans to generate three-dimensional images using two complementary segmentation software packages...
2018: European radiology experimental
https://www.readbyqxmd.com/read/29706740/-the-serpentine-zone-a-surgeon-s-guide-to-the-surface-anatomy-of-the-digital-neurovascular-spiral-in-dupuytren-s-contracture
#13
Alistair R M Macey, Roshin Thomas
The anatomy of the cords that form in Dupuytren's disease is complicated and a spiral cord is the most challenging variant to address. It displaces the neurovascular bundle toward or beyond the midline and closer to the skin. This article illustrates the surface anatomy of the neurovascular spiral to help surgeons identify this zone of danger that the authors term "the serpentine zone." Careful dissection in this zone will help avoid iatrogenic digital neurovascular injury.
April 2018: Journal of Hand and Microsurgery
https://www.readbyqxmd.com/read/29705775/the-effect-of-age-and-body-mass-index-on-the-surgical-anatomy-of-supraumbilical-port-insertion-implications-for-laparoscopic-and-robotic-surgery
#14
Mohamed A Bedaiwy, Paul J Yong, Tarek A Farghaly, Faten F Abdelhafez, Justin Tan, Rachel Pope, William W Hurd, James H Liu, Kristine Zanotti
BACKGROUND: Minimally invasive surgery is the preferred approach for performing many gynecologic procedures. Occasionally, supraumbilical port placement may be preferable to optimize visibility and maneuverability although the risks of complications are less well characterized compared to umbilical entry. METHODS: We conducted a retrospective review of computed tomograms from 92 patients to evaluate the anatomic considerations for umbilical and supraumbilical port entry based on patient age, body mass index (BMI), parity, abdominal wall thickness, and distance to the great vessels...
April 27, 2018: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/29697606/the-anatomy-behind-adverse-events-in-hand-volumizing-procedures-retrospective-evaluations-of-11-years-of-experience
#15
Konstantin Frank, Konstantin Koban, Stefan Targosinski, Katharina Erlbacher, Thilo L Schenck, Gabriela Casabona, Andre V Braz, Tatjana Pavicic, Sebastian Cotofana
BACKGROUND: To retrospectively evaluate the rate of adverse events after hand volumizing procedures using a calcium hydroxylapatite product and to investigate the relationship between injector used (i.e., needle versus cannula) and technique applied (i.e., bolus, tenting, proximal-to-distal fanning, distal-to-proximal single line). METHODS: Two hundred twenty individuals, including 214 women (97.3 percent) aged 52.3 ± 11.4 years, treated bilaterally for hand rejuvenation were investigated between the years 2006 and 2017...
May 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29697377/challenges-and-management-of-congenital-abdominal-wall-defects-review
#16
D G Chakhunashvili, N Lomidze, L Karalashvili, L Kikalishvili, K Chakhunashvili, Z Kakabadze
Management of congenital abdominal wall malformations is still a challenge in paediatric surgery due to visceroabdominal disproportion, large defects of abdominal wall and immature abdominal cavity. Most of the patients treated with primary closure need artificial substitutes like patches or biomaterials for non-permanent abdominal wall closure. Patches represent the source of constant infections and complications like separation of prosthesis from fascia. Removal of these patches and ventral hernia repair is essential afterwards...
March 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29692619/personalized-skincare-from-molecular-basis-to-clinical-and-commercial-applications
#17
REVIEW
Ewa Markiewicz, Olusola Clement Idowu
Individual responses of human skin to the environmental stress are determined by differences in the anatomy and physiology that are closely linked to the genetic characteristics such as pigmentation. Ethnic skin phenotypes can be distinguished based on defined genotypic traits, structural organization and compartmentalized sensitivity to distinct extrinsic aging factors. These differences are not only responsible for the variation in skin performance after exposure to damaging conditions, but can also affect the mechanisms of drug absorption, sensitization and other longer term effects...
2018: Clinical, Cosmetic and Investigational Dermatology
https://www.readbyqxmd.com/read/29676166/the-need-for-and-implementation-of-image-guidance-in-radiation-therapy
#18
G S Ibbott
The introduction of image guidance in radiation therapy and its subsequent innovations have revolutionised the delivery of cancer treatment. Modern imaging systems can supplement and often replace the historical practice of relying on external landmarks and laser alignment systems. Rather than depending on markings on the patient's skin, image-guided radiation therapy (IGRT), using techniques such as computed tomography (CT), cone beam CT, MV on-board imaging (OBI), and kV OBI, allows the patient to be positioned based on the internal anatomy...
January 1, 2018: Annals of the ICRP
https://www.readbyqxmd.com/read/29671199/automatic-planning-of-needle-placement-for-robot-assisted-percutaneous-procedures
#19
Esia Belbachir, Ehsan Golkar, Bernard Bayle, Caroline Essert
PURPOSE: Percutaneous procedures allow interventional radiologists to perform diagnoses or treatments guided by an imaging device, typically a computed tomography (CT) scanner with a high spatial resolution. To reduce exposure to radiations and improve accuracy, robotic assistance to needle insertion is considered in the case of X-ray guided procedures. We introduce a planning algorithm that computes a needle placement compatible with both the patient's anatomy and the accessibility of the robot within the scanner gantry...
April 18, 2018: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/29664868/active-transcutaneous-bone-conduction-implant-middle-fossa-placement-technique-in-children-with-bilateral-microtia-and-external-auditory-canal-atresia
#20
Carolina Der, Sofía Bravo-Torres, Nicolás Pons
AIM: The aim of this study is to present the middle fossa technique (MFT) as an alternative for patients who cannot undergo traditional surgery for active transcutaneous bone conduction implants (ATBCI) due to their altered anatomy or desire for future aesthetic reconstruction. DESIGN: A case series descriptive study was designed. The MFT was developed. Preoperative and postoperative information from 24 patients with external auditory canal atresia (EACA) and implanted with ATBCI was reviewed...
April 16, 2018: Otology & Neurotology
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