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Tinea
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> dermatophyte fungal infections Three main types - tinea capitis - scalp tinea corporis - trunk, legs or arms tinea pedis - feet ''Tinea capitis'' (scalp ringworm) may cause scarring alopecia (kids) if untreated a raised, pustular, spongy/boggy mass called a kerion may form commonly Trichophyton tonsurans (UK/USA) ? Microsporum canis (from cats/dogs) - fluoresce under Wood's lamp (unlike T tonsurans) most useful investigation - scalp scrapings //management// - oral antifungals: terbinafine (TT) or griseofulvin (MC) give topical ketoconazole shampoo for 2/52 to reduce transmission ''Tinea corporis'' (ringworm) causes - Trichophyton rubrum and Trichophyton verrucosum (cattle) well-defined annular, erythematous lesions with pustules and papules may be treated with oral fluconazole ''Tinea pedis'' (athlete's foot) characterised by itchy, peeling skin between the toes common in adolescence
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