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Garrett C Lowe, Oluwakemi Onajin, Christian L Baum, Clark C Otley, Christopher J Arpey, Randall K Roenigk, Jerry D Brewer
BACKGROUND: Dermatofibrosarcoma protuberans (DFSP) is a soft tissue tumor with slow infiltrative growth and local recurrence if inadequately excised. OBJECTIVE: To compare long-term outcomes after Mohs micrographic surgery (MMS) and wide local excision (WLE). MATERIALS AND METHODS: Records of patients with DFSP surgically treated with WLE or MMS from January 1955 through March 2012 were retrospectively reviewed. RESULTS: Mean follow-up for patients treated with MMS (n = 67) and WLE (n = 91) was 4...
October 4, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Xuan Cao, Christian Lau, Yihang Liu, Fanqi Wu, Hui Gui, Qingzhou Liu, Yuqiang Ma, Haochuan Wan, Moh R Amer, Chongwu Zhou
Semiconducting single-wall carbon nanotubes are ideal semiconductors for printed electronics due to their advantageous electrical and mechanical properties, intrinsic printability in solution, and desirable stability in air. However, fully printed, large-area, high-performance, and flexible carbon nanotube active-matrix backplanes are still difficult to realize for future displays and sensing applications. Here, we report fully screen-printed active-matrix electrochromic displays employing carbon nanotube thin-film transistors...
October 17, 2016: ACS Nano
Jin Kyung Chae, Jeong Hee Kim, Eun Jung Kim, Kun Park
BACKGROUND: The patient and observer scar assessment scale (POSAS) recently emerged as a promising method, reflecting both observer's and patient's opinions in evaluating scar. This tool was shown to be consistent and reliable in burn scar assessment, but it has not been tested in the setting of skin graft scar in skin cancer patients. OBJECTIVE: To evaluate facial skin graft scar applied to POSAS and to compare with objective scar assessment tools. METHODS: Twenty three patients, who diagnosed with facial cutaneous malignancy and transplanted skin after Mohs micrographic surgery, were recruited...
October 2016: Annals of Dermatology
Breanne Mordorski, Adam J Friedman, Leon H Kircik
Dermatologists frequently create cutaneous defects that heal by second intention, yet there is no universal protocol for wound care in this setting. Several ointments commonly used for wound healing are not cost effective as they contain known contact allergens, contribute to antimicrobial resistance, and do not enhance the healing process. Recent studies indicate that Bensal HP, a commercially available ointment used for a variety of dermatologic conditions, may be useful for wound healing; although clinical data is currently limited...
October 1, 2016: Journal of Drugs in Dermatology: JDD
Younghyoun Yoon, Aaron M Mohs, Michael C Mancini, Shuming Nie, Hyunsuk Shim
Despite major advances in targeted drug therapy and radiation therapy, surgery remains the most effective treatment for most solid tumors. The single most important predictor of patient survival is a complete surgical resection of the primary tumor, draining lymph nodes, and metastatic lesions. Presently, however, 20%-30% of patients with head and neck cancer who undergo surgery still leave the operating room without complete resection because of missed lesions. Thus, major opportunities exist to develop advanced imaging tracers and intraoperative instrumentation that would allow surgeons to visualize microscopic tumors during surgery...
September 2016: Tomography: a Journal for Imaging Research
Saisindhu Narala, Philip R Cohen
Basal cell carcinoma (BCC) typically occurs in sun-exposed sites. Only 16 individuals with umbilical BCC have been described in the literature, and the characteristics of patients with umbilical BCC are summarized. PubMed was used to search the following terms: abdomen, basal cell carcinoma, basal cell nevus syndrome, and umbilicus. Papers with these terms and references cited within these papers were reviewed. BCC of the umbilicus has been reported in five men and 11 women; one man had two tumors. Two patients had basal cell nevus syndrome (BCNS)...
September 7, 2016: Curēus
Jean Christophe Rusatira, Brian Tomaszewski, Vincent Dusabejambo, Vincent Ndayiragije, Snedden Gonsalves, Aishwarya Sawant, Angeline Mumararungu, George Gasana, Etienne Amendezo, Anne Haake, Leon Mutesa
BACKGROUND: Lack of access to health and medical education resources for doctors in the developing world is a serious global health problem. In Rwanda, with a population of 11 million, there is only one medical school, hence a shortage in well-trained medical staff. The growth of interactive health technologies has played a role in the improvement of health care in developed countries and has offered alternative ways to offer continuous medical education while improving patient's care...
June 1, 2016: JMIR Med Educ
Joshua J Clark, Anneli R Bowen, Glen M Bowen, John R Hyngstrom, Michael L Hadley, Keith Duffy, Scott R Florell, David A Wada
BACKGROUND: Cutaneous carcinosarcoma is a rare tumor with distinct malignant epithelial and mesenchymal cell populations. The histologic subtypes of epithelial and mesenchymal components in cutaneous carcinosarcoma are variable, as an assortment of carcinomatous and sarcomatous patterns have been described in the literature. METHODS: Clinical information was obtained from patient charts and archival slides were retrieved and reviewed. RESULTS: We present a novel series of six distinct cases of cutaneous carcinosarcoma and review the literature...
October 11, 2016: Journal of Cutaneous Pathology
Michael Bickell, Jonathan Beilan, Jared Wallen, Lucas Wiegand, Rafael Carrion
This article reviews the most up-to-date surgical treatment options for the reconstructive management of patients with penile, urethral, and scrotal cancer. Each organ system is examined individually. Techniques and discussion for penile cancer reconstruction include Mohs surgery, glans resurfacing, partial and total glansectomy, and phalloplasty. Included in the penile cancer reconstruction section is the use of penile prosthesis in phalloplasty patients after penectomy, tissue engineering in phallic regeneration, and penile transplantation...
November 2016: Urologic Clinics of North America
Elizabeth Park, Tiny Masupe, Joseph Joseph, Ari Ho-Foster, Afton Chavez, Swetha Jammalamadugu, Andrew Marek, Ruth Arumala, Dineo Ketshogileng, Ryan Littman-Quinn, Carrie Kovarik
BACKGROUND: Since the UN Human Rights Council's recognition on the subject in 2011, the right to access the Internet and information is now considered one of the most basic human rights of global citizens [1,2]. Despite this, an information gap between developed and resource-limited countries remains, and there is scant research on actual information needs of workers themselves. The Republic of Botswana represents a fertile ground to address existing gaps in research, policy, and practice, due to its demonstrated gap in access to information and specialists among rural health care workers (HCWs), burgeoning mHealth capacity, and a timely offer from Orange Telecommunications to access Wikipedia for free on mobile platforms for Botswana subscribers...
November 2016: International Journal of Medical Informatics
Louise Ninett Carlsen, Maria Lurenda Westergaard, Signe Bruun Munksgaard, Lars Bendtsen, Rigmor Højland Jensen
Medication-overuse headache (MOH) is a disabling, costly and often overlooked disorder. The prevalence in Denmark is 1.8% equivalent to 80.000-100.000 adults. The aim is to increase awareness of clinical presentation and treatment options for patients with MOH when encountered in primary care setting, exemplified by three representative cases. Clinical presentation of MOH and three treatment approaches are discussed. MOH is a chronic disorder which is preventable and treatable.
September 26, 2016: Ugeskrift for Laeger
Kyriakos Souliotis, Eirini Agapidaki, Lily Evangelia Peppou, Chara Tzavara, George Samoutis, Mamas Theodorou
Although the importance of patient participation in the design and evaluation of health programs and services is well-documented, there is scarcity of research with regard to patient association (PA) participation in health policy decision-making processes. To this end, the present study aimed to validate further a previously developed instrument as well as to investigate the degree of PA participation in health policy decision-making in Cyprus. A convenient sample of 114 patients-members of patients associations took part in the study...
June 20, 2016: International Journal of Health Policy and Management
Caterina Longo, Moira Ragazzi, Milind Rajadhyaksha, Kishwer Nehal, Antoni Bennassar, Giovanni Pellacani, Josep Malvehy Guilera
Confocal microscopy is a modern imaging device that has been extensively applied in skin oncology. More specifically, for tumor margin assessment, it has been used in two modalities: reflectance mode (in vivo on skin patient) and fluorescence mode (on freshly excised specimen). Although in vivo reflectance confocal microscopy is an add-on tool for lentigo maligna mapping, fluorescence confocal microscopy is far superior for basal cell carcinoma and squamous cell carcinoma margin assessment in the Mohs setting...
October 2016: Dermatologic Clinics
C Blake Perry, Richard C Allen
INTRODUCTION: Repair of large defects of the lower eyelid can be difficult. A common procedure performed to address these defects is a Hughes flap. This procedure has a number of disadvantages: The eye is closed postoperatively, a second stage is required, and the edge of the flap is often erythematous. The purpose of this paper is to describe a one-stage procedure for the repair of large full-thickness defects of the lower lid as an alternative to a Hughes flap. MATERIALS AND METHODS: This is a retrospective study of patients who underwent the described procedure...
August 2016: Indian Journal of Ophthalmology
Nadine Kuttkat, Antje Mohs, Kim Ohl, Guido Hooiveld, Thomas Longerich, Klaus Tenbrock, Francisco Javier Cubero, Christian Trautwein
OBJECTIVE: Th17 cells are a subset of CD4(+) T-helper cells characterised by interleukin 17 (IL-17) production, a cytokine that plays a crucial role in inflammation-associated diseases. The cyclic AMP-responsive element modulator-α (CREMα) is a central mediator of T-cell pathogenesis, which contributes to increased IL-17 expression in patients with autoimmune disorders. Since an increased Th17 response is associated with a poor prognosis in patients with chronic liver injury, we investigated the relevance of Th17 cells for chronic liver disease (CLD) and hepatocarcinogenesis...
September 29, 2016: Gut
Chaw-Ning Lee, Shin-Chen Pan, Julia Yu-Yun Lee, Tak-Wah Wong
BACKGROUND: Wide excision or Mohs surgery is the standard treatment of skin squamous cell carcinoma (SCC). Superficial SCC or tumor smaller than 1 cm has been treated successfully with open spray cryosurgery. Larger tumor may not be as effective because tissue destruction is usually superficial. Intralesional cryosurgery (IC) may provide a deeper and better cell killing effect in larger tumors. We investigated the safety and efficacy of treating nodular SCC in 4 patients with IC. METHODS: Four patients with nodular SCC/keratoacanthoma (tumor size, 1-2...
September 2016: Medicine (Baltimore)
Khanh V Doan, Ann W Kinyua, Dong Joo Yang, Chang Mann Ko, Sang Hyun Moh, Ko Eun Shong, Hail Kim, Sang-Kyu Park, Dong-Hoon Kim, Inki Kim, Ji-Hye Paik, Ronald A DePinho, Seul Gi Yoon, Il Yong Kim, Je Kyung Seong, Yun-Hee Choi, Ki Woo Kim
Dopaminergic (DA) neurons are involved in the integration of neuronal and hormonal signals to regulate food consumption and energy balance. Forkhead transcriptional factor O1 (FoxO1) in the hypothalamus plays a crucial role in mediation of leptin and insulin function. However, the homoeostatic role of FoxO1 in DA system has not been investigated. Here we report that FoxO1 is highly expressed in DA neurons and mice lacking FoxO1 specifically in the DA neurons (FoxO1 KO(DAT)) show markedly increased energy expenditure and interscapular brown adipose tissue (iBAT) thermogenesis accompanied by reduced fat mass and improved glucose/insulin homoeostasis...
2016: Nature Communications
Ani Tajirian, Michelle Tsui
OBJECTIVE: Following Mohs surgery, medium-to-large defects on the central forehead can often be complicated to surgically reconstruct. In this paper, the authors discuss possible central forehead reconstructions and report their successful experience employing a simple primary vertical linear closure with a special technique to demarcate forehead rhytides rather than performing an overly complicated flap or graft. CASE REPORT: The patient was a 57-year-old man who presented with a broad superficial basal cell carcinoma that required treatment with Mohs surgery...
August 2016: Journal of Clinical and Aesthetic Dermatology
Zhiye Chen, Xiaoyan Chen, Mengqi Liu, Shuangfeng Liu, Siyun Shu, Lin Ma, Shengyuan Yu
BACKGROUND: The marginal division of neostriatum (MrD) is a flat, pan-shaped zone between the neostriatum and the globus pallidus, and previous documents demonstrated that it was involved in the modulation of pain. The aim of this study is to investigate the roles of the MrD of the human brain in the chronicization migraine using resting state functional magnetic resonance imaging (rs-fMRI). METHODS: Conventional MRI, 3D structure images, and rs-fMRI were performed in 18 patients with episodic migraines (EM), 16 patients with chronic migraine (CM), 44 patients with medication overuse headache plus chronic migraine (MOH + CM), and 32 normal controls (NC)...
December 2016: Journal of Headache and Pain
Andrew R Styperek, Leonard H Goldberg, Laura E Goldschmidt, Arash Kimyai-Asadi
BACKGROUND: Histologic examination of tissue is the foundation of Mohs micrographic surgery because determination of surgical margins influences whether additional tissue will be taken. Currently, there is no large focused study comparing toluidine blue (TB) and hematoxylin and eosin (H&E) stains in the evaluation of squamous cell carcinoma (SCC). OBJECTIVE: This study evaluates whether TB and H&E are comparable in assessing the presence of tumor in frozen sections of SCC...
September 21, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
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