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Skin AND anatomy

Sheng Yan, Hangyan Shi, Da Chen, Jincai Guo, Yi Sun, Sufan Wu
The reconstruction of large full-thickness scalp defects remains a surgical challenge, especially when the skull is exposed completely without periosteum. Surgical technique options for wound coverage have included tissue expansion, skin grafting, local or regional flaps, and microvascular free tissue transfer. In recent years, some authors have reported to use biological material as an alternative for repairing complex wounds. The authors report the successful reconstruction of a large defect with bare skull in bilateral temporal regions of a 3-year-old child...
March 14, 2018: Journal of Craniofacial Surgery
C Blake Sullivan, Henry Hoffman
OBJECTIVE: We describe sialography as a dynamic imaging modality useful in establishing the diagnosis and planning for treatment of a parotid gland ductal foreign body. METHODS: Chart and radiographic imaging review of a 75 year-old male who had obstructive sialadenitis symptoms two years after welding slag pierced the cheek skin and identified as a 'piece of steel stuck in his cheek'. RESULTS: Sialography was used to demonstrate a foreign body adjacent to the parotid gland to indicate its presence as a mobile element within the ductal system associated with marked pre-obstructive duct dilation...
March 3, 2018: American Journal of Otolaryngology
Patricia Louie, Rima Wilkes
Although a large literature has documented racial inequities in health care delivery, there continues to be debate about the potential sources of these inequities. Preliminary research suggests that racial inequities are embedded in the curricular edification of physicians and patients. We investigate this hypothesis by considering whether the race and skin tone depicted in images in textbooks assigned at top medical schools reflects the diversity of the U.S. POPULATION: We analyzed 4146 images from Atlas of Human Anatomy, Bates' Guide to Physical Examination & History Taking, Clinically Oriented Anatomy, and Gray's Anatomy for Students by coding race (White, Black, and Person of Color) and skin tone (light, medium, and dark) at the textbook, chapter, and topic level...
February 23, 2018: Social Science & Medicine
Brandon A Dyer, Abriel Jenshus, Jyoti S Mayadev
INTRODUCTION: Radiation therapy (RT) plays a definitive role in locally advanced vulvar cancer, and in the adjuvant setting with high risk postoperative features after wide local excision. There is significant morbidity associated with traditional, large RT fields using 2D or 3D techniques, and the use of intensity-modulated radiation therapy (IMRT) in vulvar cancer is increasing. However, there remains a paucity of technical information regarding the prevention of a marginal miss during the treatment planning process...
February 28, 2018: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
Jong Young Lee, Jong-Hwa Park, Hong Jun Jeon, Dae Young Yoon, Seoung Woo Park, Byung Moon Cho
PURPOSE: A complicated course of the femoral route for neurointervention can prevent approaching the target. Thus, we determined whether transcervical access in the hybrid angiosuite is applicable and beneficial in real practice. METHODS: From January 2014 to March 2017, this approach was used in 17 of 453 (3.75%) cases: 11 cerebral aneurysms (4 ruptured, 7 unruptured), 4 acute occlusions of the large cerebral artery, 1 proximal internal carotid artery (ICA) stenosis, and 1 direct carotid cavernous fistula (CCF)...
March 1, 2018: Neuroradiology
Ting Zhou, Lei Zhang, Guowen Sun, Qingang Hu
The complex area for reconstruction of the head and the neck is the buccal because of difficult anatomy of this region. This article aimed to describe our individualized design for the reconstruction of the buccal using an different categories anterolateral thigh (ALT) flap. Ninety-four patients were involved in this study. Among 94cases, the number of using the musculocutaneous ALT flap was 57, using the fasciocutaneous ALT flap was 25, and using the thin ALT flap was 12. Postoperative vessel thrombosis occurred in 8 flaps, and required operative exploration in the perioperative period, 6 flaps were complete survival after the salvages, 2 flap was failure...
February 27, 2018: Journal of Craniofacial Surgery
Anukul Taweechaipaisankul, Geon A Kim, Jun-Xue Jin, Su Cheong Yeom, Byeong Chun Lee
Due to their close similarities with humans in anatomy, physiology and genetics and handling advantages, miniature pigs are becoming a very attractive model for biomedical research. The purpose of this study was to establish and evaluate blood type O cells derived from Korean native pig (KNP), a typical miniature pig breed in Korea. Total 10 cell lines derived from 8 KNP piglets, adult KNP female pig (kidney and ear tissues) were established. To confirm the blood type O, genomic DNA, fucosyltransferase (FUT) expression and immunofluorescence staining were examined...
February 27, 2018: Journal of Veterinary Science
Carolina Posso, David Delgado Anaya, Jeison Aguilar Henao, Juan M Velasquez Gaviria
PURPOSE: The previous cadaveric studies of facial artery perforators have frequently reported high variability, and those results remain to be validated in the Colombian population. Thus, we aimed to describe the vascular anatomy of the lateral nasal artery cutaneous branches and their clinical applications using Colombian cadavers. MATERIALS AND METHODS: Nine hemifaces from six fresh cadavers were included in the study. Terminal branches of the facial artery and cutaneous perforators of the lateral nasal artery were dissected...
February 26, 2018: Journal of Surgical Oncology
Logan W Carr, Sebastian M Brooke, T Shane Johnson, Brett F Michelotti
Background: The lateral arm flap is used for composite defects in need of vascularized soft tissue, skin, and bone. From its original description, the distal humeral metaphysis can be included with the flap, supplied by the periosteal extensions of the posterior branch of the radial collateral artery. We sought to reexplore the anatomy of the lateral arm to determine its utility as a donor site for vascularized bone. Methods: Twelve fresh, silicone-injected cadaver dissections were performed...
January 2018: Plastic and Reconstructive Surgery. Global Open
Evalyn E A P Mulder, Shiromani Janki, Türkan Terkivatan, Karel W J Klop, Jan N M IJzermans, T C Khe Tran
BACKGROUND: There are 2 endoscopic surgical techniques that implement 3D vision to overcome visual misperception: 3D endoscopy and the da Vinci surgical system. 3D endoscopy has several advantages, such as the presence of tactile feedback and easy implementation, at lower costs. We aimed to assess whether 3D endoscopy could be an alternative to the robot during living donor nephrectomy (LDN). METHODS: Between April 2015 and April 2016 we prospectively collected data on 40 patients undergoing 3D endoscopic LDNs in 1 center, performed by a da Vinci certified surgeon...
February 14, 2018: Transplantation
Alexander P Marston, Glenn Merritt, Jonathan M Morris, Shelagh A Cofer
OBJECTIVES: The suprazygomatic maxillary nerve block is associated with improved post-operative pain management after select craniofacial surgical procedures. This study's objective is to better define the impact of pediatric facial skeletal growth on techniques for accessing the pterygopalatine fossa (PPF). METHODS: Pediatric patients with prior thin-slice maxillofacial computed tomography imaging were identified in an institutional radiology database. Aquarius image-processing software (Ver...
February 2018: International Journal of Pediatric Otorhinolaryngology
E Poblet, F Jimenez-Acosta, E Escario-Travesedo, J A Hardman, I Hernández-Hernández, J L Agudo-Mena, J J Cabrera-Galvan, C Nicu, R Paus
BACKGROUND: Eccrine sweat glands (ESGs) are critical for thermoregulation and involved in wound healing. ESGs have traditionally been considered as separate skin appendages without connection to the pilosebaceous unit (PSU). However, recent preliminary evidence has encouraged the hypothesis that PSU and ESG are more interconnected than previously thought. OBJECTIVE: To reevaluate the morphology of human skin adnexa with an integrated 3D perspective in order to explore the possible interconnections that the PSU and the ESG may form...
February 12, 2018: British Journal of Dermatology
Laphatrada Yurasakpong, Krai Meemon, Athikhun Suwannakhan
PURPOSE: The aim of the study was to investigate the anatomy and histology of Linburg-Comstock variation, or the anomalous connection between flexor pollicis longus and flexor digitorum profundus to the index finger, in Thai population. METHODS: One hundred and thirty cadaveric upper limbs were dissected. Skin and superficial fascia on the anterior distal forearm and hand were removed. The tendons of the flexor pollicis longus and flexor digitorum profundus to the index finger were identified for the possible occurrence of the intertendinous connection...
February 8, 2018: Surgical and Radiologic Anatomy: SRA
Ying-Zhao Yan, Chong-An Huang, Qi Jiang, Yi Yang, Jian Lin, Ke Wang, Xiao-Bin Li, Hai-Hua Zheng, Xiang-Yang Wang
BACKGROUND: Thyroid cartilage is an important barrier in anterior cervical approach surgery. The objective of this study is to establish normative values for thyroid cartilage at three planes and to determine their significance on preoperative positioning and intraoperative traction in surgery via the anterior cervical approach. METHODS: Neck CT scans were collected from 600 healthy adults who did not meet any of the exclusion criteria. Transverse diameters (D1, D2, and D3) of the superior border of the thyroid cartilage (SBTC), inferior border of the thyroid cartilage (IBTC), and the trachea transverse diameters of the inferior border of the cricoid cartilage (IBCC) were measured on a horizontal plane...
February 8, 2018: Journal of Orthopaedic Surgery and Research
Ozcan Cakmak, Ismet Emrah Emre, Berke Özücer
Patients with thick skin typically present with a redundant, baggy, lax skin envelope together with prominent nasolabial folds, jowls, and a heavy neck. Durable and natural-appearing rejuvenation is not possible unless the deformities are addressed adequately and harmoniously in these patients. Traditional superficial musculoaponeurotic system techniques do not include surgical release of the zygomatic cutaneous ligaments and repositioning of descendent malar fat pad, and may lead to an unbalanced, unnatural appearance and the lateral sweep phenomenon...
February 2018: Facial Plastic Surgery: FPS
Elizabeth Mia Floyd, Stephen W Perkins
Thick skin presents a unique set of challenges within the realm of facial plastic surgery, and addressing the lower lid complex is no exception. There are several procedures for addressing the lower lids, the first and foremost being lower lid blepharoplasty. However, the remaining procedures combined with surgical techniques have exclusive implications in thick skin. Understanding the anatomy and various techniques that can be applied to thick skin can help achieve aesthetically more pleasing results in comparison to those of thin skin...
February 2018: Facial Plastic Surgery: FPS
Anaïs Delgove, Romain Weigert, Vincent Casoli
BACKGROUND: The medial triceps brachii is vascularized by the middle collateral artery and the arterial circle of the elbow. This vascularization allows a distal pedicled use to cover soft tissue defects of the elbow. We report our experience using this flap to cover traumatic and postsurgical wounds. METHODS: Patients who underwent a pedicled medial triceps brachii flap procedure between 2008 and 2015 were included. Data concerning characteristics of the patients, wound size, surgical technique, and complications were retrospectively reviewed...
January 29, 2018: Journal of Shoulder and Elbow Surgery
Giulio Tosti, Anna Daniela Iacobone, Eleonora Petra Preti, Sabina Vaccari, Alessia Barisani, Elisabetta Pennacchioli, Carmen Cantisani
BACKGROUND: vulvar intraepithelial neoplasia is a non-invasive precursor lesion found in 50-70% of patients affected by vulvar squamous cell carcinoma. In the past, radical surgery was the standard treatment for vulvar intraepithelial neoplasia, however, considering the psychological and physical morbidities related to extensive surgery, several less aggressive treatment modalities have been proposed since the late 1970s. Photodynamic therapy is an effective and safe treatment for cutaneous non-melanoma skin cancer, with favorable cosmetic outcomes...
February 2, 2018: Biomedicines
Martino Ruggieri, Andrea D Praticò, Rosario Caltabiano, Agata Polizzi
The earliest examples of neurofibromatosis (in this case type 1, NF1) can be traced in the Ebers Papyrus (Ancient Egypt, 1.500 B.C.), in a Hellenistic statuette (Smyrna, 323 B.C.), in the coinage of the Parthians kings (247 B.C.) and in some 13th century monks' drawings. These earlier examples are somewhat less well defined as compared to the most recent better defined reports credited as having NF1 including an Inca child mummy (1480-1650 AD), Ulisse Aldrovandi's homuncio ("Monstrorum Historia", 1592 A.D.) with mosaic NF1 or the illustrations seen in the 18th century "Buffon's Histoire Naturelle" and "Cruveilhier's Anatomie Pathologique du Corps Human"...
February 1, 2018: American Journal of Medical Genetics. Part A
Jaspreet Singh Sandhu, Vishal Varma, Makarand Mishra
Large staghorn calculi in unascended pelvic kidneys and in normally located kidneys with anatomy unsuitable for percutaneous nephrolithotomy have to be treated via pyelolithotomy. When performed laparoscopically, the extraction of these staghorn calculi, without extending skin incision at the port site is challenging. We describe the successful use of laparoscopic laser lithotripsy, intracorporeally, with the entrapped calculus inside the endocatch bag, for fragmentation and retrieval without extension of skin incision...
January 2018: Medical Journal, Armed Forces India
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