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https://www.readbyqxmd.com/read/29314679/molecular-epidemiology-of-trichophyton-quinckeanum-a-zoophilic-dermatophyte-on-the-rise
#1
Silke Uhrlaß, Wieland Schroedl, Carolin Mehlhorn, Constanze Krüger, Vit Hubka, Thomas Maier, Yvonne Gräser, Uwe Paasch, Pietro Nenoff
BACKGROUND: Formerly only referred to as a subspecies (T. mentagrophytes var. quinckeanum), T. quinckeanum once again constitutes a distinct species according to the updated taxonomy of dermatophytes. PATIENTS AND METHODS: During routine diagnostic tests conducted at the Mycology Laboratory, Mölbis, Germany, between 11/2013 to 1/2017 (three years and three months), all specimens sent in were examined for T. quinckeanum. Molecular biology methods employed included: 1) DNA hybridization (PCR ELISA), 2) gene sequencing of the ITS region and TEF-1α, and 3) in some cases, MALDI-TOF mass spectrometry...
January 2018: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/29314351/epidemiology-of-dermatophyte-infections-among-school-children-in-menoufia-governorate-egypt
#2
Azza G A Farag, Mostafa A Hammam, Reda A Ibrahim, Reda Z Mahfouz, Nada F Elnaidany, Masroor Qutubuddin, Rehab R E Tolba
BACKGROUND: Most superficial mycotic infections of human skin are due to dermatophytes. Children are frequently affected due to different predisposing factors, particularly overcrowding in classrooms. OBJECTIVES: To estimate the prevalence of dermatophytes infections and their related risk factors among school children in Menoufia Governorate, Egypt. SUBJECTS AND METHODS: Six public primary and preparatory schools were randomly selected and their pupils (n= 3464) were asked to complete a predesigned questionnaire covering both personal data and suspected risk factors for superficial dermatophyte infections...
January 4, 2018: Mycoses
https://www.readbyqxmd.com/read/29313923/cover-image-trichophyton-violaceum-destroys-hair-keratin-fibres-in-tinea-capitis
#3
K Zhuang, X Ran, Y Ran
No abstract text is available yet for this article.
December 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/29302626/epidemiological-status-of-dermatophytosis-in-guilan-north-of-iran
#4
A A Fallahi, A Rezaei-Matehkolaei, S Rezaei
Background and Purpose: The epidemiological features of dermatophytoses have been characterized in many geographical locations of Iran, but not in Guilan, North of Iran. This study was carried out to determine the distribution pattern of dermatophytoses and their relevant agents in Guilan, North of Iran, over a period of one year, from April 2010 to April 2011. Materials and Methods: The clinical samples of skin, hair, and nail from 889 outpatients (317 men vs. 572 women) were used for direct microscopy and culture...
March 2017: Advances in Medical Mycology (Iran)
https://www.readbyqxmd.com/read/29285801/tinea-faciei-in-a-central-portuguese-hospital-a-9-year-survey
#5
Ana Borges, Ana Brasileiro, Célia Galhardas, Margarida Apetato
Tinea faciei is a relatively uncommon dermatophytosis that affects the glabrous skin of the face. The aim of this study was to analyse the epidemiologic, clinical and mycological features of tinea faciei cases diagnosed at the Dermatology and Venereology Department of Hospital Santo António dos Capuchos (Lisbon, Portugal). Consecutive cases diagnosed between 2008 and 2016 were studied retrospectively. A total of 72 tinea faciei cases have been diagnosed, involving 37 male and 35 female, aged between 8 months and 86 years...
December 28, 2017: Mycoses
https://www.readbyqxmd.com/read/29247617/tinea-capitis-like-infection-caused-by-rhodotorula-mucilaginosa-in-a-shelter-for-african-refugee-children-in-northern-israel
#6
Avi Peretz, Orna Nitzan, Victoria Freidus, Riad Kassem
Rhodotorula is a genus of unicellular pigmented yeasts, part of the division Basidiomycota. In this article, we report three cases of refugee children in a day care shelter in northern Israel who were clinically diagnosed and treated empirically as with ringworm infection but with clean and exclusive growth of Rhodotorula mucilaginosa in repeated cultures of several skin samples. Skin infections caused by this yeast are rare and there are few reports in the literature, mainly in patients who are immunocompromised...
December 13, 2017: Acta Tropica
https://www.readbyqxmd.com/read/29237094/dermoscopy-for-discriminating-between-trichophyton-and-microsporum-infections-in-tinea-capitis
#7
D Lekkas, D Ioannides, Z Apalla, A Lallas, E Lazaridou, E Sotiriou
Tinea capitis (TC) is an infection of the scalp, most often observed in pre-school or early school ages. Diagnosis of TC is based on clinical signs and laboratory examinations (direct microscopy and culture). Dermoscopy is a non-invasive diagnostic technique with an already established role in the evaluation of skin tumors, and with a gradually expanding application also in the field of inflammatory and infectious skin diseases. This article is protected by copyright. All rights reserved.
December 13, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29208175/antifungal-activity-of-silver-nanoparticles-on-fluconazole-resistant-dermatophytes-identified-by-gaca-4-and-isolated-from-primary-school-children-suffering-from-tinea-capitis-in-ismailia-egypt
#8
Mariam E Amin, Marwa M Azab, Amro M Hanora, Salah Abdalla
Fungal infections caused by dermatophytes recently became more common. Available antifungal drugs are limited because of emergence of resistant strains due to prophylaxis with them, so there is an urgent need for novel antifungals. This study is aimed to detect the antifungal activity of silver nanoparticles (SNPs) on Fluconazole resistant dermatophytes isolated from primary school children clinically suffering from tinea capitis and attending El-Sheikh Zaid Dermatology Center in Ismailia. The study was done on 112 clinical cases...
November 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/29198783/common-child-and-adolescent-cutaneous-infestations-and-fungal-infections
#9
Sherman J Alter, Megan B McDonald, Julie Schloemer, Ryan Simon, Julian Trevino
Cutaneous infections and infestations are common among children and adolescents. Ectoparasitic infestations affect individuals across the globe. Head lice, body lice, scabies, and infestations with bed bugs are seen in individuals who reside in both resource poor areas and in developed countries. Superficial cutaneous and mucosal candida occur throughput the life cycle. Dermatophyte infections of keratin-containing skin and skin structures result in tinea capitis (scalp), tinea corporis (body), tinea pedis (foot), and tinea unguium (nails)...
November 30, 2017: Current Problems in Pediatric and Adolescent Health Care
https://www.readbyqxmd.com/read/29056704/infection-by-microsporum-canis-in-paediatric-patients-a-veterinary-perspective
#10
Mario Pasquetti, Anna Rita Molinar Min, Stefania Scacchetti, Andrea Dogliero, Andrea Peano
Microsporum canis is a dermatophyte fungus of which cats and dogs are recognized as the natural hosts. M. canis is also easily transmitted to humans, causing lesions to the glabrous skin (tinea corporis) and to the head (tinea capitis). The present study describes some cases of infection with M. canis in children from a veterinary perspective, highlighting some important features of this clinical entity (e.g., the necessity to identify the animal source of infection with appropriate diagnostic tests; the fact that infected cats may present with no or atypical dermatological signs; and the importance of the environment as a fungal reserve)...
September 19, 2017: Veterinary Sciences
https://www.readbyqxmd.com/read/29050446/management-of-mycoses-in-daily-practice
#11
Lorenzo Drago, Giuseppe Micali, Manuela Papini, Bianca M Piraccini, Stefano Veraldi
The guideline recommendations, albeit founded on thorough reviews of clinically relevant literature data, are often not immediately adaptable to everyday life. Considering the marked heterogeneity of superficial mycoses, each of them requires specific management in a real life context; in all cases diagnostic confirmation is required with microscopic and culture examination. In tinea capitis oral therapy is necessary (minimum six weeks) and should be continued until clinical and, above all, mycological healing...
December 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28992062/epidemiology-of-human-dermatophytoses-in-africa
#12
Oumar Coulibaly, Coralie L'Ollivier, Renaud Piarroux, Stéphane Ranque
In this critical literature review, we summarize the epidemiological trends of dermatophytoses reported in Africa. Our findings clearly emphasize the heavy burden of dermatophytosis in Africa. Tinea capitis is the primary clinical presentation of dermatophytosis in African children throughout the entire African continent. The disease affects more than 20% of school-age children in West Africa, while the prevalence ranges from 10% to more than 70% in other regions of Africa. In African adults, the presence of tinea corporis is the most frequent indicator of dermatophytosis...
July 28, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28979861/treatment-of-dermatophytosis-in-elderly-children-and-pregnant-women
#13
REVIEW
Subuhi Kaul, Savita Yadav, Sunil Dogra
Dermatophytic infection of the skin and its appendages is a common occurrence. Though usually straightforward, treatment of dermatophytosis becomes notably challenging in certain population groups - pregnant women, children, and elderly. Treatment with topical azoles/allylamines alone is effective in limited cutaneous disease in all three groups. Terbinafine is the preferred oral agent in elderly population for treatment of extensive cutaneous disease and onychomycosis due to its lack of cardiac complications and lower propensity for drug interactions...
September 2017: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/28965734/scalp-lesions-in-a-pediatric-patient-with-hyper-igm-syndrome-clinical-and-histologic-mimicry-of-cryptococcus-neoformans-infection
#14
Karen P Acker, Audrey Fetch, Stephanie A Schnell, Jennifer Hammond, Christina Herrera, George Niedt, Adam J Ratner, Christine T Lauren
We report a case of cutaneous cryptococcosis due to Cryptococcus neoformans in a pediatric patient with hyper IgM syndrome with scalp lesions that resembled tinea capitis on gross examination and mimicked juvenile xanthogranuloma on histologic examination. This case highlights the importance of considering cutaneous cryptococcosis in patients with hyper IgM syndrome.
September 28, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28963202/draft-genome-sequences-of-trichophyton-rubrum-cmcc-f-t1i-and-trichophyton-violaceum-cmcc-f-t3l-by-illumina-2000-and-pacific-biosciences
#15
Ping Zhan, Sybren de Hoog, Weida Liu
One strain of Trichophyton rubrum CMCC(F)T1i (=CBS 139224) isolated from onychomycosis and one strain of Trichophyton violaceum CMCC(F)T3l (=CBS 141829) isolated from tinea capitis in China were whole-genome sequenced by Illumina/Solexa, while the former was also sequenced by Pacific Biosciences sequencing in parallel.
September 28, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28925637/hair-loss-common-causes-and-treatment
#16
T Grant Phillips, W Paul Slomiany, Robert Allison
Hair loss is often distressing and can have a significant effect on the patient's quality of life. Patients may present to their family physician first with diffuse or patchy hair loss. Scarring alopecia is best evaluated by a dermatologist. Nonscarring alopecias can be readily diagnosed and treated in the family physician's office. Androgenetic alopecia can be diagnosed clinically and treated with minoxidil. Alopecia areata is diagnosed by typical patches of hair loss and is self-limited. Tinea capitis causes patches of alopecia that may be erythematous and scaly and must be treated systemically...
September 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28871931/kerion-celsi-due-to-microsporum-canis-with-a-dermatophytid-reaction
#17
Biljana Gorgievska-Sukarovska, Mihael Skerlev, Lidija Žele-Starčević, Karmela Husar, Mirna Halasz
Microsporum (M.) canis is the most common fungus to cause tinea capitis in Europe, especially in the Mediterranean region and South and Central Europe. Fungal scalp infections caused by M. canis tend to be non-inflammatory. Recently, a growing number of cases of tinea capitis characterized by inflammatory infection caused by M. canis and M. gypseum have been registered. We present a case of highly inflammatory tinea capitis, also known as kerion celsi, caused by M. canis in a 6-year-old-patient. Scalp infections due to M...
July 2017: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28840426/human-infections-with-microsporum-gypseum-complex-nannizzia-gypsea-in-slovenia
#18
Mateja Dolenc-Voljč, Jurij Gasparič
Microsporum gypseum complex is a group of geophillic dermatophytes with a worldwide distribution and is a rare cause of dermatomycoses in humans. The infection most commonly presents as tinea corporis, with some geographical and occupational variations. We studied M. gypseum complex infections in patients examined in the Mycological Laboratory of the Department of Dermatovenereology, University Medical Centre Ljubljana, during the period 2000-2015. Diagnosis was confirmed by mycological examination. Skin scales were examined by direct microscopy and cultivated on Sabouraud glucose agar...
December 2017: Mycopathologia
https://www.readbyqxmd.com/read/28839385/tinea-capitis-in-children-and-trichoscopic-criteria
#19
Ebtisam Elghblawi
Tinea capitis is the most common pediatric superficial dermatophyte infection. The causative species vary, as for instance, Microsporum canis predominates in Europe, while Trichophyton tonsurans predominates in North America. Tinea capitis does not respond well to topical therapy alone, thus oral therapy is requisite. The drug of choice is griseofulvin; however in some countries, it is no longer available. Fungal culture should be requested in the persistent, scalp lesion and trichoscopy can put forward a speedy diagnosis by its characteristic findings...
April 2017: International Journal of Trichology
https://www.readbyqxmd.com/read/28817957/case-report-of-onychomycosis-and-tinea-corporis-due-to-microsporum-gypseum
#20
Jesse M Fike, Ramya Kollipara, Suzanne Alkul, Cloyce L Stetson
BACKGROUND: Microsporum gypseum is a geophilic dermatophyte that colonises keratinous substances in the soil. Fur-bearing animals carry this dermatophyte but are rarely infected. Human infection can be acquired from the soil, carrier or infected animals, and rarely other humans. M gypseum is an uncommon cause of cutaneous infection in humans and typically manifests as tinea corporis, tinea barbae, and tinea capitis. Onychomycosis is rarely caused by M gypseum. CASE SUMMARY: We present a case of a 32-year-old white man who presented with a red scaly rash and nail dystrophy after adopting a pet rat 10 years prior to presentation...
August 1, 2017: Journal of Cutaneous Medicine and Surgery
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