Outbreak of Tinea capitis by Trichophyton tonsurans and Microsporum canis in Niterói, RJ, Brazil

Towersey, Loan; Hay, Roderick J.; Monteiro, Maria Helena; Lago, Márcio Brito; Martins, Eunice de Castro Soares; Estrella, Rogério Ribeiro

doi:10.1590/s0036-46651992000300009

Cited by 9 publications

(8 citation statements)

References 15 publications

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“…T. tonsurans also showed greater association with the scalp, but the age of the patients was higher than in infections with M. canis and M. gypseum. This can be related to the type of lesion caused by T. tonsurans, which mimics seborrheic dermatitis and, consequently, the dermatophytosis could not be properly treated and thus continued into adulthood [27].…”

Section: Discussionmentioning

confidence: 99%

Dermatophytosis: a 16-year retrospective study in a metropolitan area in southern Brazil

Heidrich

Garcia

Stopiglia

et al. 2015

J Infect Dev Ctries

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Introduction: Dermatophytoses are considered a public health problem. The objectives of this study were to determine the evolution of their prevalence in the metropolitan area of Porto Alegre, Brazil, and to analyze the dermatophyte species distribution according to body site and demographic characteristics of the patients. Methodology: This work was a retrospective analysis of data from patients attending a tertiary care hospital during 1996-2011. Results: There were 9,048 cases with cultures positive for dermatophytes. Trichophyton rubrum occurred in 59.6% of the cases, followed by Trichophyton interdigitale (34%), Microsporum canis (2.6%), Epidermophyton floccosum (1.5%), Microsporum gypseum (1.3%), and Trichophyton tonsurans (0.9%). The angular coefficients for T. interdigitale, E. floccosum, T. rubrum, and M. canis were +1.119, +0.211, -0.826 and -0.324% per year, respectively. Males presented higher prevalence of infection (79.3% versus 53.9%). Tinea unguium occurred in 48.5% of the cases, followed by tinea pedis (33.1%). T. rubrum was the predominant species in all regions of the body except the scalp, where M. canis was responsible for 75% of the cases. Conclusion: Monitoring of the evolution of dermatophytosis tracks changes in prevalence over the years and may assist practical measures for the public health control of this disease.

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Section: Discussionmentioning

confidence: 99%

Dermatophytosis: a 16-year retrospective study in a metropolitan area in southern Brazil

Heidrich

Garcia

Stopiglia

et al. 2015

J Infect Dev Ctries

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“…7,8,10,11 Furthermore, in the United Kingdom a case of a family of veterinarians and two children who were simultaneously infected by T. tonsurans was reported. 12 Dermatophytoses may be favored by poverty, malnutrition and poor hygiene habits.…”

Section: Discussionmentioning

confidence: 99%

“…4,5,6,7 In Brazil, we observed predominance of isolation of this fungus in the North and Northeast regions, but it is also isolated as agent of scalp tinea in different regions of the country, as the Southeast and South. 1,2,3,8,9 This report presents a case of family microepidemic by T. tonsurans involving all of the members of a family where, despite excellent hygienic conditions, the fungus remained viable for several years.…”

Section: Introductionmentioning

confidence: 98%

Microepidemia familiar por Trichophyton tonsurans

Salci

Marcon

et al. 2011

An. Bras. Dermatol.

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Abstract:Trichophyton tonsurans is a highly transmissible anthropophilic dermatophyte fungus, which invades keratinized tissues. This study reports a case of family microepidemic caused by this dermatophyte. Despite their excellent hygiene conditions, it remained active for several years, spreading to all family members. The hypothesis that the fungus was being kept alive in the family home was confirmed after samples collected from it were analyzed. Pure cultures of the fungus were isolated and identified. After diagnosis, the house was disinfected with concomitant oral treatment for all family members. Keywords: Family; Therapeutics; Tinea; Trichophyton Resumo: Trichophyton tonsurans é um fungo dermatófito antropofílico de alta transmissibilidade que invade tecidos queratinizados. Relatamos um caso de microepidemia familiar causada por esse dermató-fito no qual, apesar das ótimas condições de higiene, o fungo se manteve viável por vários anos, disseminando-se para todos os membros da família. A hipótese de que estivesse sendo mantido na residência da família foi confirmada após análise de amostras do domicílio, em que foram isoladas e identificadas culturas puras do fungo. Após o diagnóstico, a residência foi desinfetada e todos os membros da família receberam tratamento oral concomitantemente.

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“…The main dermatophyte species associated with tinea capitis in Brazil are Trichophyton tonsurans and Microsporum canis , 5–7 although it can be caused by almost any species of the genera Microsporum and Trichophyton 1…”

Section: Introductionmentioning

confidence: 99%

Household cluster of tinea capitis caused by Trichophyton violaceum in Brazil

Soares¹,

Tarnowski²,

Filho³

et al. 2003

Int J Dermatology

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Outbreak of Tinea capitis by Trichophyton tonsurans and Microsporum canis in Niterói, RJ, Brazil

Abstract: 18 girls from an orphanage (Orfanato Santo Antônio) in Niterói presented tinea capitis due to Trichophyton tonsurans (15 cases - 83.3%) and Microsporum canis (3 cases - 26.7%). Comments are made about clinical, mycological and therapeutic aspects of this microepidemy

Cited by 9 publications

References 15 publications

Dermatophytosis: a 16-year retrospective study in a metropolitan area in southern Brazil

Dermatophytosis: a 16-year retrospective study in a metropolitan area in southern Brazil

Microepidemia familiar por Trichophyton tonsurans

Household cluster of tinea capitis caused by Trichophyton violaceum in Brazil

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