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https://www.readbyqxmd.com/read/28449284/pediatric-melanoma
#1
REVIEW
Christina Stefanaki, Leonidas Chardalias, Efthymia Soura, Alexandra Katsarou, Alexander Stratigos
Pediatric melanoma, although rare, is the most common skin cancer in children. Our current knowledge on pediatric melanoma incidence trends is expanding, as several studies have addressed this issue with conflicting results. Known risk factors for pediatric melanoma include family history of melanoma, a previous history of malignancy, large congenital nevi, numerous melanocytic nevi, sunburns, increased UV exposure and a sun-sensitive phenotype. In younger children melanoma more often presents with atypical features, such as a changing, amelanotic or uniformly colored, often bleeding lesion, not fulfilling in most cases the conventional ABCDE criteria...
April 27, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28448985/total-skin-electron-beam-therapy-as-part-of-multimodal-treatment-strategies-for-primary-cutaneous-t-cell-lymphoma
#2
Khaled Elsayad, Katharina H Susek, Hans T Eich
Total-skin electron beam therapy (TSEBT) is one of most effective treatments that has been used for cutaneous T-cell lymphoma. Low-dose TSEBT regimens (10-12 Gy) appear to be an effective alternative to conventional-dose TSEBT (30-36 Gy), yielding short-term remission of cutaneous manifestations with minimal toxicity. TSEBT can be administered to patients any time after a diagnosis of mycosis fungoides (MF). Patients requiring rapid relief from cutaneous lesions or symptoms may particularly benefit from TSEBT as an initial therapy...
April 25, 2017: Oncology Research and Treatment
https://www.readbyqxmd.com/read/28448416/analysis-of-a-steerable-needle-for-fine-needle-aspiration-and-biopsy-efficiency-and-radiation-dose-compared-with-a-conventional-straight-needle
#3
Sandra Rutigliano, John A Abraham, Barry E Kenneally, Adam C Zoga, Mika Nevalainen, Johannes B Roedl
PURPOSE: Percutaneous computed tomography (CT)-guided needle biopsy has proven to be an efficacious method for sampling of many soft tissue lesions, especially deep-seated masses in the abdomen and pelvis. This study sought to test the potential for a novel steerable needle to improve localization and to reduce procedure duration and radiation dose compared with a conventional straight needle. MATERIAL AND METHODS: A fresh, raw meat sample (lean bovine flank) was imbedded with cylindrical radiopaque and radiolucent obstacles designed to simulate vessels (radiolucent objects) and bones (radiopaque objects) on CT...
April 26, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28448297/the-fate-of-chronic-burn-wounds-suspected-as-marjolin-s-ulcers
#4
Chi Young Bang, Sang-Hyun Woo
Marjolin's ulcer is the malignant transformation of chronic nonhealing ulcers that have developed in burn scars or in any other chronic wound. Development of this malignancy tends to be slow and insidious, but it becomes more aggressive when the Marjolin's ulcer breaks free of the scar. We reviewed 24 cases of patients who complained of chronic burn wounds suspected to be Marjolin's ulcers. Histologically, chronic ulcer and pseudoepitheliomatous hyperplasia were 21%, respectively, and malignancy, including squamous cell carcinoma and leiomyosarcoma, were 58%...
April 21, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28448268/the-effect-of-pycnogenol-on-wound-healing-in-diabetic-rats
#5
Elif Dogan, Latif Yanmaz, Semin Gedikli, Ugur Ersoz, Zafer Okumus
Pycnogenol (PYC), an extract of pine bark, is known to have photoprotective, antimicrobial, antioxidant, and anti-inflammatory properties. An in vivo study was conducted to evaluate the effects of PYC treatment on wound healing in 48 adult male Sprague-Dawley rats, of which 24 were injected with a single dose of alloxan to induce diabetes. Three (3) excisional skin wounds (1.3 cm x 1.3 cm x 2 mm) were created in each healthy and diabetic animal. One (1) wound in each animal was left untreated, 1 was treated daily with a cleanser (ethacridine lactate) and covered with silver sulfadiazine (SSD), and 1 was treated with PYC powder (30 mg)...
April 2017: Ostomy/wound Management
https://www.readbyqxmd.com/read/28447355/dermoscopy-pathology-correlation-in-melanoma
#6
REVIEW
Teresa Russo, Vincenzo Piccolo, Gerardo Ferrara, Marina Agozzino, Roberto Alfano, Caterina Longo, Giuseppe Argenziano
Dermoscopy is a widely used technique whose role in the clinical (and preoperative) diagnosis of melanocytic and non-melanocytic skin lesions has been well established in recent years. The aim of this paper is to clarify the correlations between the "local" dermoscopic findings in melanoma and the underlying histology, in order to help clinicians in routine practice.
May 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28447351/estimating-melanin-location-in-the-pigmented-skin-lesions-by-hue-saturation-lightness-color-space-values-of-dermoscopic-images
#7
REVIEW
Hiroshi Sakai, Yoshimi Ando, Kuniko Ikinaga, Masaru Tanaka
The depth of melanin in the skin can be estimated roughly by observation of the color exhibited on dermoscopy. Currently, there are no objective methods to estimate it. The aim of the present study was to clarify the relationship between the depth of melanin in the skin and the color variation exhibited, and to objectively estimate the 3-D location of melanin in the pigmented skin lesions from dermoscopic images. Representative colors in dermoscopic images of acral compound nevus, Spitz nevus and blue nevus were evaluated by the subjectively perceived color on dermoscopy and objective values in hue-saturation-lightness color space values...
May 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28447350/dermoscopy-pathology-relationship-in-seborrheic-keratosis
#8
REVIEW
Akane Minagawa
Making a definitive diagnosis of seborrheic keratosis (SK) can be challenging for the naked eye due to its wide variation in clinical features. Fortunately, however, most cases of SK exhibit the typical dermoscopic findings of fissures and ridges, hairpin vessels with white halo, comedo-like openings, and milia-like cysts, all of which are helpful to distinguish SK from melanoma, melanocytic nevus, squamous cell carcinoma, basal cell carcinoma (BCC) and other skin tumors. Histopathologically, these dermoscopic characteristics correspond to papillomatous surface of the epidermis, enlarged capillaries of the dermal papillae, pseudohorn cysts in the epidermis opened to the surface of the lesion and intraepidermal cysts, respectively...
May 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28447349/review-of-vasculature-visualized-on-dermoscopy
#9
REVIEW
Yaei Togawa
Dermoscopy is a useful tool for finding and screening skin tumors, especially skin cancers. It is well known that it is useful to diagnose pigmented tumors, such as melanocytic lesions. In recent years, after the publication of a revised two-step algorithm in 2010, dermoscopy gradually has been used to diagnose non-pigmented or non-melanocytic lesions based on their vascular structures. Some skin lesions have specific vascular structures that aid in diagnosis. In this review, I discuss the various patterns of the vascular structures and their distribution, focusing on their clinical importance and usefulness in daily medical treatment...
May 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28447325/interferon-free-therapy-with-sofosbuvir-plus-ribavirin-for-successful-treatment-of-genotype-2-hepatitis-c-virus-with-lichen-planus-a-case-report
#10
Ayumu Yoshikawa, Katsumi Terashita, Kenichi Morikawa, Soichiro Matsuda, Takahiro Yamamura, Koichiro Sarashina, Shintaro Nakano, Yoshimitsu Kobayashi, Susumu Sogabe, Kazuhiro Takahashi, Shin Haba, Hisashi Oda, Tatsuro Takahashi, Takuto Miyagishima, Naoya Sakamoto
Hepatitis C virus (HCV) infection remains the main cause of liver disease and can lead to chronic hepatitis, cirrhosis, and hepatocellular carcinoma. HCV may also develop extrahepatic manifestations in the skin, eyes, joints, kidneys, nervous system, and immune system. In fact, several studies reported that up to 70% of HCV patients experienced extrahepatic manifestations. Lichen planus (LP), which is an immune system disorder that is triggered by viral infections, allergens, and stress, can affect the skin, mouth, nails, and scalp...
April 26, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28447112/-imaging-diagnostics-of-breast-metastases-from-extramammary-tumors
#11
REVIEW
S Wienbeck, S Nemat, J Lotz, A Surov
Breast metastases of solid extramammary tumors are very rare in comparison to primary malignancies of the breast and account for only 0.33-6.3% of all malignant neoplasms of the breast. The most common primary tumors are malignant melanoma, distant sarcomas, lung cancer, ovarian cancer, renal cell cancer and thyroid cancer in decreasing order of frequency. This review article summarizes the clinical features and the different imaging findings of breast metastases from different extramammary solid tumors. Breast metastases are often incidental findings in computed tomography (CT) or positron emission tomography CT (PET-CT) imaging...
April 26, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28446975/current-status-of-spray-cryotherapy-for-airway-disease
#12
REVIEW
Ryan F Moore, Deacon J Lile, Abbas E Abbas
The use of liquid nitrogen to treat skin and mucosal lesions is well understood in the dermatologic and gastrointestinal literature. Direct spray cryotherapy (SCT) in the airway has shown promising results in the treatment of esophageal premalignant and even invasive lesions. In the airway, several studies have shown it to be a safe, effective treatment for both benign and malignant disease. It is easily administered in the outpatient setting and can be repeated several times without undue side effects. In this article, we review the current literature on the use of SCT for the treatment of endobronchial lesions and also describe our own institutional experience of the use of SCT in the airway...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28446137/progressive-cutaneous-cryptococcosis-complicated-with-meningitis-in-a-myasthenia-gravis-patient-on-long-term-immunosuppressive-therapy-a-case-report
#13
Nguyen Thi Cam Huong, Ahmed M A Altibi, Nguyen My Hoa, Le Anh Tuan, Samar Salman, Sara Morsy, Nguyen Thi Bich Lien, Nguyen Thanh Truong, Nguyen Thi Hoang Mai, Pham Thi Le Hoa, Nguyen Ba Thang, Van The Trung
BACKGROUND: Cryptococcosis is an opportunistic infection caused by the encapsulated yeast Cryptococcus neoformans and most remarkably manifests in HIV-infected individuals, especially in the settings of very low CD4 count. Development of cryptococcosis in HIV-uninfected individuals is exceedingly rare and usually signifies a marked immunodeficiency. Cryptococcosis in association with myasthenia gravis or thymoma has been previously documented in only very few cases in the literature. CASE PRESENTATION: We reported a complicated case of severe cutaneous cryptococcosis in a 39-year-old Vietnamese male patient with myasthenia gravis on long-term immunosuppressive therapy...
April 26, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28445952/socs3-inhibits-the-pathological-effects-of-il-22-in-non-melanoma-skin-tumor-derived-keratinocytes
#14
Stefania Madonna, Claudia Scarponi, Martina Morelli, Rosanna Sestito, Pasqualina Liana Scognamiglio, Daniela Marasco, Cristina Albanesi
Basal cell carcinomas (BCC) and squamous-cell carcinomas (SCC) are common malignancies in humans, caused by neoplastic transformation of keratinocytes of the basal or suprabasal layers of epidermis, respectively. Tumor-infiltrating lymphocytes (TILs) are frequently found in BCC and SCC, and functionally promote epithelial carcinogenesis. TILs secreting IL-22, in particular, participate to BCC and SCC growth by inducing keratinocyte proliferation and migration, as well as the expression of inflammatory, anti-apoptotic and pro-angiogenic genes...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445578/utility-of-a-noninvasive-2-gene-molecular-assay-for-cutaneous-melanoma-and-effect-on-the-decision-to-biopsy
#15
Laura K Ferris, Burkhard Jansen, Jonhan Ho, Klaus J Busam, Kenneth Gross, Doyle D Hansen, John P Alsobrook, Zuxu Yao, Gary L Peck, Pedram Gerami
Importance: Expression of long intergenic non-protein coding RNA 518 (LINC00518) and preferentially expressed antigen in melanoma (PRAME) genes, obtained via noninvasive adhesive patch biopsy, is a sensitive and specific method for detection of cutaneous melanoma. However, the utility of this test in biopsy decisions made by dermatologists has not been evaluated. Objective: To determine the utility of the pigmented lesion assay (PLA) for LINC00518/PRAME expression in decisions to biopsy a series of pigmented skin lesions...
April 26, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28445563/outbreak-of-occupational-dermatitis-associated-with-pyemotes-ventricosus
#16
Martyna Tomczyk-Socha, Katarzyna Jedrzejewska-Jurga, Joanna Limburska, Jaroslaw Tomczyk
Importance: Although Pyemotes spp have been known to cause dermatitis, recent reports are rare. During the past 30 years, only 3 outbreaks of dermatitis caused by Pyemotes ventricosus have been reported. Objective: To analyze the causative agent of skin changes in employees of a company that produced herbal medicines. Design, Setting, and Participants: This case series includes 18 patients (8 men, 10 women; mean age, 44 years) who contracted unusual dermatitis after an occupational exposure in July and August of 2012 while working for a company that produced herbal medicines...
April 26, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28445558/clinical-characteristics-of-connective-tissue-nevi-in-tuberous-sclerosis-complex-with-special-emphasis-on-shagreen-patches
#17
Michelle A Bongiorno, Neera Nathan, Oyetewa Oyerinde, Ji-An Wang, Chyi-Chia Richard Lee, G Thomas Brown, Joel Moss, Thomas N Darling
Importance: Patients with tuberous sclerosis complex (TSC) frequently develop collagenous connective tissue nevi. The prototypical lesion is a large shagreen patch located on the lower back, but some patients only manifest small collagenomas or have lesions elsewhere on the body. The ability to recognize these variable presentations can be important for the diagnosis of TSC. Objective: To describe the clinical characteristics of connective tissue nevi on the trunk and extremities of patients with tuberous sclerosis complex...
April 26, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28445195/protective-effect-of-botulinum-toxin-type-a-against-atopic-dermatitis-like-skin-lesions-in-nc-nga-mice
#18
Sang Bum Han, Hyeree Kim, Sang Hyun Cho, Jin Ho Chung, Hei Sung Kim
BACKGROUND: Botulinum neurotoxin (BTX) A possesses various biological activities, including anti-inflammatory and antipruritic actions. Human and animal studies have shown that BTX is effective in treating histamine-induced itch, lichen simplex chronicus, psoriasis, rosacea, allergic rhinitis, and scar prevention. However, its effect on atopic dermatitis (AD) has not been studied yet. OBJECTIVE: To examine the effect of BTX on AD using a mouse model. The primary outcome was skin thickness and transepidermal water loss (TEWL), and the secondary outcome was the alteration in skin severity scores, histological, and laboratory test results...
April 24, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28445107/hypodermal-adipose-tissue-sonoelastography-for-monitoring-treatment-response-in-patients-with-plaque-psoriasis
#19
Annunziata Dattola, Simone Altobelli, Salvatore Marsico, Domenico Plastina, Steven P Nistico, Armando Cavallo, Roberto Floris, Luca Bianchi, Manlio Guazzaroni
BACKGROUND: Psoriasis (PsO) is a multifactorial chronic and relapsing skin disease that affects about 125 million people in the world. Several studies have demonstrated the link between adipose tissue, inflammation, and PsO. The purpose of our study is to evaluate hypodermal adipose tissue inflammation underneath PsO plaques quantifying tissue elasticity with sonoelastography before and after treatment. The study was conducted at the Department of Dermatology of the University of "Rome Tor Vergata" and Department of Radiology of the University of "Rome Tor Vergata...
April 24, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28445011/rapid-detection-of-staphylococcus-aureus-and-methicillin-resistant-s-aureus-in-atopic-dermatitis-by-using-the-bd-max-staphsr-assay
#20
Mi Kyung Lee, Kui Young Park, Taewon Jin, Ju Hee Kim, Seong Jun Seo
Eczematous lesions of atopic dermatitis (AD) patients are known to be a source of Staphylococcus aureus (SA) transmission and might be a reservoir for community-associated methicillin-resistant SA (MRSA). The BD Max StaphSR (BD-SR) is a fully automated, multiplex real-time PCR assay for the direct detection and differentiation of SA and MRSA from nasal swab samples. We evaluated the detection rates of SA and MRSA from skin lesions of outpatients with AD using the BD-SR assay, and determined the usefulness of the BD-SR assay...
July 2017: Annals of Laboratory Medicine
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