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https://www.readbyqxmd.com/read/28239930/secondary-cutaneous-peripheral-t-cell-lymphoma-unspecified-with-generalized-benign-looking-dermatitis-a-possibly-distinct-peripheral-t-cell-lymphoma
#1
Woo Jin Lee, Hyun Ji Kang, Chong Hyun Won, Sung Eun Chang, Jee Ho Choi, Mi Woo Lee
BACKGROUND: Cutaneous lymphomas are a heterogeneous group of tumors with various clinical manifestations, histological features, and prognoses. METHODS: Among 425 cases of cutaneous lymphoma, we describe eight cases of peripheral T-cell lymphoma, unspecified, presenting with generalized benign-looking dermatitis. RESULTS: Our case series included eight cases of secondary cutaneous peripheral T-cell lymphoma, unspecified. The observed clinical morphology features included drug eruption-like generalized morbilliform maculopatches in two cases, generalized folliculitis-like papules in two cases, and generalized eczematous dermatitis-like papules and patches in four cases...
February 27, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28239832/silk-textile-with-antimicrobial-aem5772-5-dermasilk-a-pilot-study-with-positive-influence-on-acne-vulgaris-on-the-back
#2
Caroline Schaunig, Daisy Kopera
BACKGROUND: The use of special silk textiles (Dermasilk) has shown positive effects on chronic inflammatory diseases like lichen sclerosus et atrophicus, atopic dermatitis, diabetic ulcerations, and vulvovaginal candidiasis. OBJECTIVE: Wearing T-shirts of this particular fabric could be useful in the management of patients with acne vulgaris on the back and trunk. MATERIAL AND METHODS: Dermasilk T-shirts were given to 14 patients with acne vulgaris papulopustulosa on the back...
February 27, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28239462/thrombocytopenia-in-patients-with-melanoma-receiving-immune-checkpoint-inhibitor-therapy
#3
Eileen Shiuan, Kathryn E Beckermann, Alpaslan Ozgun, Ciara Kelly, Meredith McKean, Jennifer McQuade, Mary Ann Thompson, Igor Puzanov, John P Greer, Suthee Rapisuwon, Michael Postow, Michael A Davies, Zeynep Eroglu, Douglas Johnson
BACKGROUND: Immune checkpoint inhibitors, including antibodies against programmed death 1 (PD-1) and cytotoxic T-lymphocyte antigen 4 (CTLA-4), are being used with increasing frequency for the treatment of cancer. Immune-related adverse events (irAEs) including colitis, dermatitis, and pneumonitis are well described, but less frequent events are now emerging with larger numbers of patients treated. Herein we describe the incidence and spectrum of thrombocytopenia following immune checkpoint inhibitor therapy and two severe cases of idiopathic thrombocytopenic purpura (ITP)...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28239377/pro-inflammatory-signaling-in-a-3d-organotypic-skin-model-after-low-let-irradiation-nf-%C3%AE%C2%BAb-cox-2-activation-and-impact-on-cell-differentiation
#4
Anna Acheva, Giuseppe Schettino, Kevin M Prise
Nearly 85% of radiotherapy patients develop acute radiation dermatitis, which is an inflammatory reaction of the skin at the treatment field and in the surrounding area. The aims of this study were to unravel the mechanisms of radiation-induced inflammatory responses after localized irradiation in a human 3D organotypic skin culture model. This could provide possible inflammatory targets for reduction of skin side effects. 3D organotypic skin cultures were set up and locally irradiated with 225 kVp X-rays, using a combination of full exposure and partial shielding (50%) of the cultures...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28238749/persistent-kallikrein5-activation-induces-atopic-dermatitis-like-skin-architecture-independent-of-par2-activity
#5
Yanan Zhu, Joanne Underwood, Derek Macmillan, Leila Shariff, Ryan O'Shaughnessy, John I Harper, Chris Pickard, Peter S Friedmann, Eugene Healy, Wei-Li Di
BACKGROUND: Up-regulation of kallikreins (KLK) including KLK5 has been reported in atopic dermatitis (AD). KLK5 has biological functions which include degrading desmosomal proteins and inducing pro-inflammatory cytokine secretion through protease activated receptor 2 (PAR2). However, due to the complex interactions between various cells in AD inflamed skin, it is difficult to dissect the precise and multiple roles of up-regulated KLK5 in AD skin. OBJECTIVE: We investigated the effect of up-regulated KLK5 on the expression of epidermal related proteins and cytokines in keratinocytes and on skin architecture...
February 23, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28238742/molecular-signatures-order-the-potency-of-topically-applied-anti-inflammatory-drugs-in-atopic-dermatitis-patients
#6
Emma Guttman-Yassky, Benjamin Ungar, Kunal Malik, Daniel Dickstein, Maria Suprun, Yeriel D Estrada, Hui Xu, Xiangyu Peng, Margeaux Oliva, Dan Todd, Tord Labuda, Mayte Suarez-Farinas, Robert Bissonnette
BACKGROUND: Atopic Dermatitis (AD) presents a large unmet need for treatments with better safety and efficacy. To facilitate development of topical therapeutics, we need an efficient model for assessing different formulations and concentrations. The "plaque model" has been successfully implemented in psoriasis, another common inflammatory disease, to assess efficacy of topical treatments. This model has not been validated for AD, which has higher placebo responses and less stable lesions than psoriasis...
February 23, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28238217/antibacterial-and-anti-biofilm-effects-of-sodium-hypochlorite-against-staphylococcus-aureus-isolates-derived-from-patients-with-atopic-dermatitis
#7
S Eriksson, M J A van der Plas, M Mörgelin, A Sonesson
INTRODUCTION: Atopic dermatitis (AD) is characterised by an increased susceptibility for skin infections. Staphylococcus aureus is reported to dominate in AD lesions and reports have revealed the presence of staphylococcal biofilms. These infections contribute to aggravating the eczema. Sodium hypochlorite is known to reduce bacterial load of skin lesions as well as disease severity in AD patients but the effect on biofilms is unknown. OBJECTIVES: The aim of this study was to investigate the antimicrobial and anti-biofilm effects of sodium hypochlorite against S...
February 26, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28238091/patient-reported-symptoms-of-radiation-dermatitis-during-breast-cancer-radiotherapy-a-pilot-study
#8
Jieun Lee, Won Park, Doo Ho Choi, Seung Jae Huh, Im-Ryung Kim, Danbee Kang, Juhee Cho
PURPOSE: To find out which symptoms most frequently and severely affect breast cancer patients during radiotherapy and how patients manage the symptoms and unmet needs. METHODS: A cross-sectional survey was conducted with 111 patients who receive radiotherapy for breast cancer from January to April 2015 at Samsung Medical Center in Seoul, South Korea. Participants were asked about symptoms and discomfort due to radiotherapy, management methods for radiation dermatitis, unmet needs for radiation dermatitis care, and clinical and socio-demographic information...
February 25, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28238074/atorvastatin-induced-dermatomyositis
#9
Mert Oztas, Serdal Ugurlu, Ovgu Aydin
A 49-year-old man with no previous history of musculoskeletal or cutaneous problems who had a myocardial infarction (MI) was treated with atorvastatin, prasugrel, enoxaparine, and diltiazem following percutaneous coronary intervention. He was referred to our rheumatology outpatient clinic for rash and papules on the knuckles, face, and neck, as well as proximal muscle weakness. In the physical examination, a reddish rash on the face and Gottron's papules on the knuckles were detected. The skin biopsy performed indicated interface dermatitis with hydropic degeneration of basal keratinocytes, supporting the clinical impression of dermatomyositis...
February 25, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28237712/the-efficiency-and-adverse-events-of-radiotherapy-with-cetuximab-for-japanese-head-and-neck-cancer-patients
#10
Kazuhiro Hirasawa, Isaku Okamoto, Ray Motohashi, Hiroki Sato, Soichiro Takase, Ayumi Agata, Atsuo Takeda, Kiyoaki Tsukahara
OBJECTIVES: Radiotherapy with cisplatin (Chemoradiotherapy, CRT) has long been one of the standard treatments for head and neck squamous cell cancer (HNSCC). Approval of cetuximab for the treatment of HNSCC has made radiotherapy with cetuximab (Bioradiotherapy, BRT) a new treatment option for HNSCC. Reports of BRT in the Japanese written in English up to now is only the phase II study, though it includes only 22 patients. Also on the nature of the clinical Phase II trial, sampling bias of cases may exist...
February 22, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28237704/the-accumulation-of-immunoglobulin-g-against-dermatophagoides-farinae-tropomyosin-in-dorsal-root-ganglia-of-nc-nga-mice-with-atopic-dermatitis-like-symptoms
#11
Ayaka Otsu, Hiroaki Kawasaki, Mitsutoshi Tominaga, Ayako Shigenaga, Hironori Matsuda, Nobuaki Takahashi, Tadaaki Nakajima, Hisashi Naito, Takeshi Baba, Hideoki Ogawa, Yasuhiro Tomooka, Fumiyuki Yamakura, Kenji Takamori
Atopic dermatitis (AD), a chronic inflammatory skin disease, manifests as intractable itch, but its underlying mechanisms are poorly understood. This study assessed the relationship between immunoglobulin G (IgG) and dorsal root ganglia (DRG) in NC/Nga mice, a model of AD that manifests AD-like symptoms including itch. Immunohistochemical analysis showed large amounts of IgG in DRG extracts of NC/Nga mice with AD-like dermatitis, with a large fraction of the IgG distributed in satellite glial cells of the DRG...
February 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28237387/common-spongiotic-dermatoses
#12
Alejandro A Gru, Andrea L Salavaggione
This review article focuses on the spongiotic tissue reaction pattern and some of the common entities that practicing pathologists can frequently encounter in their practice. The spongiotic tissue reaction pattern is the single most common one encountered in the routine analysis of inflammatory dermatoses, and the most non-specific one as well. Spongiotic dermatoses include a very large list of disorders which are best grouped under neutrophilic, eosinophilic, miliarial, follicular and pityriasiform forms of spogiosis...
February 10, 2017: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28236222/increasing-adherence-with-topical-agents-for-atopic-dermatitis
#13
Nupur U Patel, Veronica D'Ambra, Steven R Feldman
Atopic dermatitis (AD) is an intensely pruritic dermatosis that develops most commonly during early infancy and childhood and may follow a chronic, relapsing course into adulthood. As a chronic disease, AD requires treatment over an extended period of time, and is therefore difficult to treat. The main difficulty stems from poor adherence to treatment by patients for reasons such as frustration with medication efficacy, inconvenience, and fear of side effects. Methods that improve adherence include creating therapeutic plans with patient preferences in mind, early follow-up visit, increasing patient education through workshops, and discussing with patients and their caretakers their fears about treatment methods...
February 24, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28231571/luminex-liquichip-system-for-the-evaluation-of-cytokine-levels-in-patients-with-contact-dermatitis-to-potassium-dichromate
#14
Lehavit Akerman, Tirza Klein, Moshe Israeli, Abigail Fraser, Eti Sagy, Igor Snast, Daniel Mimouni, Michael David, Akiva Trattner
BACKGROUND: Allergic contact dermatitis (ACD) is associated with increased production of cytokines. The patch test is the "gold-standard" diagnostic method, but it poses a risk of false results. OBJECTIVE: To evaluate a novel laboratory technique, the Luminex LiquiChip, which simultaneously measures blood levels of multiple cytokines, as a diagnostic tool in patients with chrome-induced ACD. METHODS: The study group included 20 patients with ACD and relevant patch test results for potassium dichromate and 19 patients with ACD for nickel or fragrance as control...
February 24, 2017: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/28231379/tamoxifen-induced-radiation-recall-dermatitis-three-calls-from-egypt
#15
Eman Salah
Tamoxifen is a selective estrogen receptor modulator used for hormone receptor-positive breast cancer in addition to radiotherapy. Tamoxifen-induced radiation recall dermatitis (RRD) was 1(st) described in 1992 however only 7 cases have been reported(1) . Herein, we report 3 Egyptian patients with tamoxifen-induced RRD to highlight its diagnostic and therapeutic aspects. This article is protected by copyright. All rights reserved.
February 23, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28231367/fiddler-s-neck-a-review
#16
Calvin W Myint, Amy L Rutt, Robert T Sataloff
Fiddler's neck is a common dermatologic condition associated with instrument use in violin and viola players. It typically manifests as a submandibular and/or supraclavicular lesion. It is a benign condition, but it may be mistaken for lymphedema or a salivary gland malignancy. Otolaryngologists who treat patients with fiddler's neck should be aware of appropriate management protocols and the need to avoid surgical excision. We obtained informed consent from 3 violinists to present their cases as specific examples of fiddler's neck...
February 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28230380/effects-of-6-hydroxyceramides-on-the-thermotropic-phase-behavior-and-permeability-of-model-skin-lipid-membranes
#17
Andrej Kovacik, Michaela Silarova, Petra Pullmannová, Jaroslav Maixner, Katerina Vavrova
Ceramides (Cer) based on 6-hydroxysphingosine are important components of the human skin barrier, the stratum corneum. Although diminished concentrations of 6-hydroxyCer have been detected in skin diseases such as atopic dermatitis, our knowledge of these unusual sphingolipids, which have only been found in the skin, is limited. In this work, we investigate the biophysical behavior of N-lignoceroyl 6-hydroxysphingosine (Cer NH) in multilamellar lipid membranes composed of Cer/free fatty acids (C16-C24)/cholesterol/cholesteryl sulfate...
February 23, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28229452/expression-levels-of-transcription-factor-pu-1-and-interleukin-9-in-atopic-dermatitis-and-their-relation-to-disease-severity-and-eruption-types
#18
Ashraf M Hamza, Salma S Omar, Reham A H Abo El-Wafa, Marwa J Elatrash
BACKGROUND: The role of immunological factors in atopic dermatitis (AD) pathogenesis is well established. T-helper (TH) cells are central in AD pathogenesis. A relatively new subset of T cells, Th9 cells, was shown to be involved in the development of allergic asthma and allergic rhinitis, while its role in AD is still to be investigated. This study aimed to measure gene expression levels of interleukin-9 (IL-9) and PU.1, and to examine relationships with disease severity, serum IgE, and eruption types in AD patients...
February 22, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28228596/antimicrobials-from-human-skin-commensal-bacteria-protect-against-staphylococcus-aureus-and-are-deficient-in-atopic-dermatitis
#19
Teruaki Nakatsuji, Tiffany H Chen, Saisindhu Narala, Kimberly A Chun, Aimee M Two, Tong Yun, Faiza Shafiq, Paul F Kotol, Amina Bouslimani, Alexey V Melnik, Haythem Latif, Ji-Nu Kim, Alexandre Lockhart, Keli Artis, Gloria David, Patricia Taylor, Joanne Streib, Pieter C Dorrestein, Alex Grier, Steven R Gill, Karsten Zengler, Tissa R Hata, Donald Y M Leung, Richard L Gallo
The microbiome can promote or disrupt human health by influencing both adaptive and innate immune functions. We tested whether bacteria that normally reside on human skin participate in host defense by killing Staphylococcus aureus, a pathogen commonly found in patients with atopic dermatitis (AD) and an important factor that exacerbates this disease. High-throughput screening for antimicrobial activity against S. aureus was performed on isolates of coagulase-negative Staphylococcus (CoNS) collected from the skin of healthy and AD subjects...
February 22, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28228560/expression-of-il-22-in-the-skin-causes-th2-biased-immunity-epidermal-barrier-dysfunction-and-pruritus-via-stimulating-epithelial-th2-cytokines-and-the-grp-pathway
#20
Hongfei Lou, Jingning Lu, Eun Byul Choi, Min Hee Oh, Mingeum Jeong, Sara Barmettler, Zhou Zhu, Tao Zheng
Increased expression of Th22 cytokine IL-22 is a characteristic finding in atopic dermatitis (AD). However, the specific role of IL-22 in the pathogenesis of AD in vivo has yet to be elucidated. Consistent with observations in human AD, IL-22 was significantly increased in the AD skin of mice after epicutaneous sensitization to house dust mite allergen. Utilizing a skin-specific inducible transgenic system, we show in the present study that expression of IL-22 in the skin of mice caused an AD-like phenotype characterized by chronic pruritic dermatitis associated with Th2-biased local and systemic immune responses, downregulation of epidermal differentiation complex genes, and enhanced dermatitis upon epicutaneous allergen exposure...
February 22, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
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