A Clinical-Mycological and Immunological Study of a Wide Spread Tinea Corporis

A wide spread Tinea corporis infections might be a tinea incognito which is a dermatophyte infection with atypical clinical features modified by the improper use of corticosteroids or calcineurin inhibitors, or due to poverty, poor hygiene, and unsanitary conditions. A total of 100 patients was investigated, 60 patients were 60 females and 40 males, female to male ratio 1.5 were included in the study. Tinea corporis was most prevalent in the thirties. The size of the individual skin lesion was more than 5cm up to 50cm. The mean duration of the disease was 9.5months (range 6-12 months). Sixty patients had a history of treatment with topical steroids because of missing the diagnosis as eczema and psoriasis. Microscopical examination revealed hyphae spores in most of the cases n=84 (84%). Mycological culture were positive in 93 cases (93%). The most frequently isolated dermatophyte had been Trichophyton rubrum, n= 53 cases (56% out of 93). This case series revealed Trichophyton rubrum as the most frequent agent of a wide spread tinea corporis. Immunological assay revealed no changes in the serum level of IgM and IgA, in IgG and C3 serum levels increase in 40 cases, normal in 50 cases, and decrease in 10 cases, whereas C4 serum level increase in 20 cases, normal in 40 cases, and decrease in 40 cases.

Author(s): Kareema Amine Alkhafajii and Huda Hadi Alhassnawei

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