Scalp colonization by Trichophyton tonsurans in an urban pediatric clinic. ?Asymptomatic carrier state

Sharma, V.

doi:10.1001/archderm.124.10.1511

Cited by 41 publications

(35 citation statements)

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“…These findings strongly suggest that Japan faces an increasing risk for outbreak of the infection. [6][7][8] Results of mass screening examinations described in earlier reports showed the prevalence of tinea corporis by T. tonsurans to be higher than expected, [9][10][11][12][13][14] underscoring the need for vigilance in monitoring this disease. Although a mass screening examination is the most reliable method for surveillance of some diseases, it is not realistically possible to screen the members of limited cohorts such as combat sports clubs.…”

Section: Discussionmentioning

confidence: 99%

A nationwide survey of Trichophyton tonsurans infection among combat sport club members in Japan using a questionnaire form and the hairbrush method

Shiraki

Hiruma

Hirose³

et al. 2006

Journal of the American Academy of Dermatology

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Section: Discussionmentioning

confidence: 99%

A nationwide survey of Trichophyton tonsurans infection among combat sport club members in Japan using a questionnaire form and the hairbrush method

Shiraki

Hiruma

Hirose³

et al. 2006

Journal of the American Academy of Dermatology

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“…28,32 The incidence in adults is increasing and ranges from 2.7% to 11.4% of reported cases. 1,4,6,7,11,33 Host immune response…”

Section: Clinical Presentationsmentioning

confidence: 99%

“…Epidemiologic data suggest that TC has been on the rise in North America during the past few decades, with the greatest prevalence in urban areas and among black patients. [1][2][3][4][5][6][7] Trichophyton and Microsporum species account for the majority of disease worldwide; Trichophyton tonsurans is the predominant pathogen in North America, and Microsporum canis is a significant cause of disease in other parts of the world. 5,8,9 The clinical spectrum of TC ranges from asymptomatic carriage to symptomatic and inflammatory disease.…”

mentioning

confidence: 99%

Tinea capitis mimicking cicatricial alopecia: What host and dermatophyte factors lead to this unusual clinical presentation?

Mirmirani

Willey

Chamlin

et al. 2009

Journal of the American Academy of Dermatology

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“…[15][16][17][18][19] However, prevalence rates vary widely, and lower prevalence rates have been noted in a number of studies. 20,21 The majority of our subjects were cultured during the spring and early summer months. It is possible that seasonality and/or geographic location with regard to climate may affect dermatophyte prevalence.…”

Section: E4mentioning

confidence: 99%

Prevalence of Scalp Scaling in Prepubertal Children

et al. 2005

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ABSTRACT. Objective. To determine the prevalence and most common etiologies of scalp scaling in infants and prepubertal children and the specificity of head and neck lymphadenopathy for the diagnosis of tinea capitis associated with scalp scaling.Design/Methods. A cross-sectional study of 300 children, 200 from an urban general pediatric practice and 100 from 2 urban pediatric dermatology practices, was conducted. Half of the subjects were <2 years old, and half were 2 to 10 years old. Demographic data, medical history, and clinical data noting the presence of scalp scaling and other scalp signs and symptoms, as well as adenopathy of the head and neck, were collected.Results. Scalp scaling was seen in 66 (22%) children. There was an insignificantly higher prevalence of scalp scaling in those <2 years old compared with the 2-to 10-year-old group. In those <2 years old with scalp scaling, the most common diagnoses were seborrheic dermatitis (thick, adherent, greasy scale predominantly in the frontal and/or vertex areas of the scalp) and atopic dermatitis/eczema. Among those 2 to 10 years old with scalp scaling, the most common diagnoses were nonspecific (fine, white) scaling, seborrheic dermatitis, and atopic dermatitis/eczema. Nine (3%) patients were culture-positive for a dermatophyte, all of whom were black, and grew Trichophyton tonsurans. More than half (52.7%) of all patients had head and neck adenopathy. The presence of posterior nodes was significantly associated with atopic dermatitis/eczema and marginally associated with a positive dermatophyte culture. The presence of scalp scaling plus posterior adenopathy was significantly associated with seborrheic dermatitis and a positive dermatophyte culture in the entire study population and with atopic dermatitis in the pediatric dermatology clinics.Conclusions. Scalp scaling was common in children 0 to 10 years old. Infantile-type seborrheic dermatitis was noted in both age groups: it was 3 times as likely in children <2 years old (18%) than in those 2 to 10 years old (6%). Contrary to traditional teaching, seborrheic dermatitis can be found in preadolescent children. Atopic dermatitis/eczema was associated with scalp scaling in both age groups. Head and neck adenopathy was very common and nonspecific for any 1 diagnosis. Posterior adenopathy with concurrent scalp scaling was significantly associated with seborrheic dermatitis, a positive dermatophyte culture, and atopic dermatitis. In this nonselected pediatric population, scalp scaling with adenopathy was not associated exclusively with tinea capitis. Pediatrics 2005;115:e1-e6. URL: www.pediatrics.org/cgi/

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Scalp colonization by Trichophyton tonsurans in an urban pediatric clinic. ?Asymptomatic carrier state

Cited by 41 publications

References 0 publications

A nationwide survey of Trichophyton tonsurans infection among combat sport club members in Japan using a questionnaire form and the hairbrush method

A nationwide survey of Trichophyton tonsurans infection among combat sport club members in Japan using a questionnaire form and the hairbrush method

Tinea capitis mimicking cicatricial alopecia: What host and dermatophyte factors lead to this unusual clinical presentation?

Prevalence of Scalp Scaling in Prepubertal Children

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