MICROBIOLOGICAL PROFILE OF DERMATOPHYTE INFECTIONS IN A TERTIARY CARE HOSPITAL
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2018, Vol 7, Issue 1
Abstract
BACKGROUND Dermatophytosis refers to fungal infection of skin, hair and nails (keratinised tissue). The fungi causing these superficial mycoses belong to three genera Trichophyton, Microsporum and Epidermophyton. These fungi produce cutaneous infections with restriction to the non-living cornified layers of skin failing to invade deeper tissues or organ. Trichophyton species infects skin, hair and nails. Microsporum species infects skin and hair and Epidermophyton species infects skin and nail. Dermatophyte infections are commonly known as ringworm or tinea infections. The purpose of this study is to know the epidemiological data of dermatophyte infection, compare the results of KOH and culture, identify the anatomical region most affected (clinical type) and to know the prevalence of dermatophyte species. MATERIALS AND METHODS A total of 200 clinically suspected cases of dermatophytoses were examined and the appropriate samples were collected. Direct microscopy in 10% KOH (skin, hair) and 40% KOH (nails) along with culture using Sabouraud Dextrose Agar (SDA) was done in each case. RESULTS Of the 200 cases, majority of them belonged to the age group of 21 - 30 years. Tinea cruris (31%) was the most common clinical type followed by Tinea corporis (19%). The overall positivity by culture was 54% and by direct microscopy was 84%. Trichophyton rubrum (49%) was the predominant dermatophyte species isolated followed by T. mentagrophytes (44%). CONCLUSION Tinea cruris was the most common clinical type followed by Tinea corporis. The study indicates the changing trends of clinical presentations associated with dermatophytoses.
Authors and Affiliations
Trupthi Gowda, Rajini Manikonda, Abhineetha Hosthota
Keywords
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- EP ID EP283341
- DOI 10.14260/jemds/2018/16
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