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Contact dermatitis

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https://www.readbyqxmd.com/read/28079921/four-cases-of-exogenous-acral-pigmentation-related-to-a-darkeling-beetle-coleoptera-tenebrionidae-blaps
#1
S Mokni, L Boussofara, W Saidi, A Aounallah, C Belajouza, N Ghariani, R Nouira, M Denguezli
Beetle (coleoptera) is the largest insect order colonizing all continents 1-2. Most of the beetles synthesize hemolymph containing several chemicals used as signals or defensive secretions against predators 2. Coleoptera body fluids can accidentally come into contact with humans' skin and induce dermatitis. Skin contact with the beetles commonly causes blistering skin eruption 3. This article is protected by copyright. All rights reserved.
January 12, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28063525/the-impact-of-skin-diseases-on-quality-of-life-a-multicenter-study
#2
G Sanclemente, C Burgos, J Nova, F Hernández, C González, M I Reyes, N Córdoba, Á Arévalo, E Meléndez, J Colmenares, S Ariza, G Hernández
INTRODUCTION: To date, no formal study has been published regarding how Colombian patients with skin disorders could be affected according to their perception of disease. OBJECTIVE: To determine the impact in quality of life of skin diseases in a Colombian population. METHODS: This multicenter study included patients with skin disease from almost the whole country. Individuals >18 years old; of any gender; with any skin disease and who signed informed consent, were included...
January 4, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28063094/stasis-dermatitis-pathophysiology-evaluation-and-management
#3
REVIEW
Swaminathan Sundaresan, Michael R Migden, Sirunya Silapunt
Stasis dermatitis commonly occurs in older age. It is caused by venous hypertension resulting from retrograde flow due to incompetent venous valves, valve destruction, or obstruction of the venous system. Further tissue changes arise from an inflammatory process mediated by metalloproteinases, which are up-regulated by ferric ion from extravasated red blood cells. Stasis dermatitis presents initially as poorly demarcated erythematous plaques of the lower legs bilaterally, classically involving the medial malleolus...
January 6, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28063036/visualization-of-the-t-cell-response-in-contact-hypersensitivity
#4
Gyohei Egawa, Kenji Kabashima
Contact hypersensitivity (CHS) is the most basic murine model for type IV hypersensitivity. This dermatitis model is mediated by hapten-sensitized, skin-infiltrating T cells. Recent intravital imaging studies have demonstrated the dynamic migratory property of skin-infiltrating T cells and the orchestrated interaction of T cells with dermal dendritic cells. Multiphoton microscopy enables the direct, three-dimensional, and minimally invasive imaging of in vivo skin samples with high spatiotemporal resolution...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28057923/a-derivatization-enhanced-detection-strategy-in-mass-spectrometry-analysis-of-4-hydroxybenzoates-and-their-metabolites-after-keratinocytes-are-exposed-to-uv-radiation
#5
Yi-Hsuan Lee, Ying-Chi Lin, Chia-Hsien Feng, Wei-Lung Tseng, Chi-Yu Lu
4-Hydroxybenzoate is a phenolic derivative of alkyl benzoates and is a widely used preservative in cosmetic and pharmaceutical products. The presence of 4-hydroxybenzoates in the human body may result from the use of pharmaceutical and personal care products. These compounds are also known to exhibit estrogenic and genotoxic activities. The potential adverse effects of these compounds include endocrine disruption, oxidative and DNA damage, contact dermatitis, and allergic reactions. This study used two mass spectrometry methods that are applicable when using a derivatization-enhanced detection strategy (DEDS) to screen 4-hydroxybenzoates and their metabolites...
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28052797/involvement-of-micrornas-in-skin-disorders-a-literature-review
#6
Carmen Mannucci, Marco Casciaro, Paola L Minciullo, Gioacchino Calapai, Michele Navarra, Sebastiano Gangemi
BACKGROUND: miRNAs are a class of noncoding RNA molecules that modulate gene expression after transcription. It is known that miRNAs are involved in various cellular processes of both normal and diseased skin. Recently, differential expressions of miRNAs have been reported and associated with several immunologic and inflammatory disorders, which indicate a common role in fundamental biologic processes. OBJECTIVE: To collect and review data from the literature on involvement of miRNA in inflammatory skin disorders...
January 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/28050486/patch-test-as-a-diagnostic-tool-in-hand-eczema
#7
Natarajan Vigneshkarthik, Satyaki Ganguly, Sheela Kuruvila
INTRODUCTION: Allergic contact dermatitis is an important cause of hand eczema. Patch testing is the only investigation available to prove the diagnosis of allergic contact dermatitis. Exposures to allergens differ according to geographical, occupational, economic and social factors. Accordingly, patterns of allergic contact dermatitis differ in different parts of the world and different regions of the same country. AIM: To study the causes of allergic contact dermatitis in adult patients with hand eczema with the help of patch testing...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28032337/the-epidemic-of-methylisothiazolinone-a-european-prospective-study
#8
Jakob F Schwensen, Wolfgang Uter, Magnus Bruze, Cecilia Svedman, An Goossens, Mark Wilkinson, Ana Giménez Arnau, Margarida Gonçalo, Klaus E Andersen, Evy Paulsen, Tove Agner, Caterina Foti, Kristiina Aalto-Korte, John McFadden, Ian White, Jeanne D Johansen
BACKGROUND: The use of methylisothiazolinone (MI) in cosmetic products has caused an unprecedented epidemic of MI contact allergy. Current data concerning exposures at a European level are required. OBJECTIVES: To describe demographics and MI exposures for European patients with MI contact allergy. METHODS: Eleven European dermatology departments from eight European countries prospectively collected data between 1 May and 31 October 2015 among consecutive patients who had positive patch test reactions to MI (2000 ppm aq...
December 28, 2016: Contact Dermatitis
https://www.readbyqxmd.com/read/28029781/aryl-hydrocarbon-receptor-activation-contributes-to-benzanthrone-induced-hyperpigmentation-via-modulation-of-melanogenic-signaling-pathways
#9
Sabiya Abbas, Shamshad Alam, Krishna P Singh, Mahadeo Kumar, Shailendra K Gupta, Kausar M Ansari
Benzanthrone (BA), an oxidized polycyclic aromatic hydrocarbon (PAH), has been found to be a potential health threat to occupational workers involved in dye manufacturing factories. It has been observed that occupational workers become exposed to BA either during manufacturing, pulverization, or storage and developed various kinds of skin diseases like contact dermatitis, itching, erythema, roughness, and foremost, hyperpigmentation. It has been shown that some environmental organic pollutants (POPs) like dioxins, furans, and polychlorinated biphenyls (PCBs) may act as ligands for the aryl hydrocarbon receptor (AhR) and regulate hyperpigmentation...
January 12, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28028401/the-prevalence-of-allergic-rhinitis-eczema-and-asthma-in-students-of-guidance-schools-in-mazandaran-province-iran
#10
Daniel Zamanfar, Javad Gaffari, Salar Behzadnia, Jamshid Yazdani-Charati, Sahar Tavakoli
BACKGROUND: Eczema, allergic rhinitis and asthma are common chronic allergic disorders in childhood. AIM: The aim of this study was to determine the prevalence of common allergic disorders among Iranian guidance schools students in Mazandaran Province, northern Iran. METHODS: This analytical cross-sectional study was performed on 3000 children aged 11-14 years old during 2012-13 according to ISAAC study. Of 3000 recruited children 1576 (52...
December 15, 2016: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28028368/nodular-lymphoid-hyperplasia-a-marker-of-low-grade-inflammation-in-irritable-bowel-syndrome
#11
Anna Chiara Piscaglia, Lucrezia Laterza, Valentina Cesario, Viviana Gerardi, Rosario Landi, Loris Riccardo Lopetuso, Giovanni Calò, Giovanna Fabbretti, Massimo Brisigotti, Maria Loredana Stefanelli, Antonio Gasbarrini
AIM: To evaluate the prevalence of nodular lymphoid hyperplasia (NLH) in adult patients undergoing colonoscopy and its association with known diseases. METHODS: We selected all cases showing NLH at colonoscopy in a three-year timeframe, and stratified them into symptomatic patients with irritable bowel syndrome (IBS)-type symptoms or suspected inflammatory bowel disease (IBD), and asymptomatic individuals undergoing endoscopy for colorectal cancer screening. Data collection included medical history and final diagnosis...
December 14, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28025783/idelalisib-induced-colitis-and-skin-eruption-mimicking-graft-versus-host-disease
#12
Muhammad Bader Hammami, Ahmad Al-Taee, Marshall Meeks, Mark Fesler, M Yadira Hurley, Dengfeng Cao, Jin-Ping Lai
INTRODUCTION: Idelalisib is a selective inhibitor of the delta isoform of phosphatidylinositol 3-kinase which was approved by the United States Federal Drug Administration in 2014 for the treatment of relapsed chronic lymphocytic leukemia and indolent non-Hodgkin lymphoma. Drug-induced injury of the gastrointestinal tract is a relatively frequent but usually under-recognized disease entity. CASE PRESENTATION: We report the case of a 56-year-old male with a history of relapsed follicular lymphoma status post allogenic bone marrow transplant who developed severe diarrhea with a skin eruption mimicking graft-versus-host disease (GVHD) 6 months after starting idelalisib...
December 26, 2016: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28025309/safety-and-efficacy-of-prophylactic-negative-pressure-wound-therapy-following-open-saphenous-vein-harvest-in-cardiac-surgery-a-feasibility-study
#13
Arthur J Lee, Christina E Sheppard, William D T Kent, Holly Mewhort, Khokan C Sikdar, Paul W M Fedak
OBJECTIVES: Surgical site complications following great saphenous vein (GSV) harvest presents a significant risk of morbidity. Negative pressure wound therapy (NPWT) has shown promise in the treatment and prophylaxis of open wounds and surgical incisions but has not been studied following GSV harvest. We performed a feasibility study examining the use of NPWT following GSV harvest for coronary bypass surgery. METHODS: Sixty-four patients were recruited in this single-centre, single-blind, randomized controlled trial...
December 26, 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28007673/rubber-new-allergens-and-preventive-measures
#14
Marie-Noëlle Crepy
Natural rubber latex (NRL) and rubber accelerators are well-known causes of occupational skin diseases. The latest epidemiological data on rubber allergy show that rubber additives are still among the allergens most strongly associated with occupational contact dermatitis, however, a decrease in NRL allergy has been confirmed. A review of recent publications on rubber allergens based on the Pubmed database is presented. New glove manufacturing processes have been developed, such as low-protein natural rubber gloves, vulcanisation accelerator-free gloves, or specific-purpose gloves containing antimicrobial agents or moisturisers...
December 1, 2016: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28002236/patch-test-reactions-to-corticosteroids-a-retrospective-analysis-of-cross-sectional-north-american-contact-dermatitis-group-data-2007-2014
#15
Melanie D Pratt, Asfandyar Mufti, Jennifer Lipson, Erin M Warshaw, Howard I Maibach, James S Taylor, Denis Sasseville, Joel G DeKoven, Matthew J Zirwas, Anthony F Fransway, C G Toby Mathias, Kathryn A Zug, Vincent A DeLeo, Joseph F Fowler, James G Marks, Frances J Storrs, Donald V Belsito
INTRODUCTION: Corticosteroids may cause delayed hypersensitivity. On the basis of structure, the following 4 groups of corticosteroids are recognized: A, B, C, and D (subdivided into D1 and D2). More recently, a newer classification system subdivides corticosteroids into groups 1, 2, and 3. Cross-reactions are unpredictable. The objective of this study was to describe positive patch test and co-reaction patterns to corticosteroids. METHODS AND RESULTS: A retrospective analysis of 17,978 patients patch tested by the North American Contact Dermatitis Group between 2007 and 2014 was performed...
December 20, 2016: Dermatitis
https://www.readbyqxmd.com/read/28002235/allergic-contact-dermatitis-due-to-3-o-ethyl-l-ascorbic-acid-contained-in-skin-lightening-cosmetics
#16
Ana M Victoria-Martínez, Pedro Mercader-García
No abstract text is available yet for this article.
December 20, 2016: Dermatitis
https://www.readbyqxmd.com/read/28002234/patch-test-series-for-allergic-perineal-dermatitis-in-the-diapered-infant
#17
JiaDe Yu, James Treat, Bruce Brod
BACKGROUND: Allergic perineal dermatitis (PD) due to diaper wipes, topical medicaments, or diapers has been reported. Although patch testing is the criterion standard for detection of allergic contact dermatitis in children, this is limited by body surface area, decreased tolerance of the patch testing procedure, and increased false-positive rates due to irritant reactions. Therefore, targeted patch testing series is necessary to better screen diapered infants for possible allergic PD...
December 20, 2016: Dermatitis
https://www.readbyqxmd.com/read/28002231/wet-wipe-allergens-retrospective-cross-sectional-analysis-of-north-american-contact-dermatitis-group-data-from-2011-to-2014
#18
Erin M Warshaw, Kelly A Aschenbeck, Kathryn A Zug, Donald V Belsito, Matthew J Zirwas, Joseph F Fowler, James S Taylor, Denis Sasseville, Anthony F Fransway, Vincent A DeLeo, James G Marks, Melanie D Pratt, Howard I Maibach, C G Toby Mathias, Joel G DeKoven
BACKGROUND: Although there are several case reports of wet wipe-associated contact dermatitis, the prevalence of wipes as a source of allergic contact dermatitis in larger populations and the responsible allergens are largely unknown. OBJECTIVE: The aim of the study was to determine the prevalence of wet wipes as a source of contact allergy and the most commonly associated allergens in a North American tertiary referral patch test population. METHODS: Data collected from 2011 to 2014 by the North American Contact Dermatitis Group was used to conduct a retrospective cross-sectional analysis of patient demographics and patch test results associated with the triple-digit source code for "wet wipe...
December 20, 2016: Dermatitis
https://www.readbyqxmd.com/read/28002230/essential-oils-part-vi-sandalwood-oil-ylang-ylang-oil-and-jasmine-absolute
#19
Anton C de Groot, Erich Schmidt
In this article, some aspects of sandalwood oil, ylang-ylang oil, and jasmine absolute are discussed including their botanical origin, uses of the plants and the oils and absolute, chemical composition, contact allergy to and allergic contact dermatitis from these essential oils and absolute, and their causative allergenic ingredients.
December 20, 2016: Dermatitis
https://www.readbyqxmd.com/read/28001235/dermatitis-after-contact-with-pheropsophus-sp-coleoptera-carabidae-brachininae-in-the-par%C3%A3-state-brazilian-amazon
#20
Pedro Pereira de Oliveira Pardal, Cristiane Tárcis Cunha da Silva, Wuelton Marcelo Monteiro, Maria Apolônia da Costa Gadelha
Dermatitis caused by bombardier beetles is rarely reported. Here, we report a case of beetle-caused dermatitis that occurred in Pará State, the Brazilian Amazon. A female patient while putting on her shoes, felt a burning pain in the right hallux and noticed a beetle inside the shoe. During medical consultation, the physician observed that the injury site was brown and discolored. The patient complained of localized burning pain and blurred vision. The beetle responsible for the injury was identified as Pheropsophus sp...
November 2016: Revista da Sociedade Brasileira de Medicina Tropical
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