A 30 yr old female presents with history of itching under right breast. On examination annular ring lesion was present under the breast. The diagnosis is
Candida albicans
Microsporum
Epidermophyton
Trichophyton rubrum
Tinea Corporis (Tinea of trunk and limbs) * T. rubrum most common; may spread from fungal infection of feet (T. rubrum, T. mentagrophytes), infected animal (M. canis), or soil (M. gypseum). * Presents as erythematous, sharply marginated, scaly plaque with raised, advancing border; typically with central clearing and annular or arcuate shape. Clinical variants :- * Tinea imbricata: T. concentricum, presents with distinct scaly plaques arranged in concentric rings * Tinea profunda: marked inflammatory response to a dermatophyte (analogous to kerion on scalp) * Tinea incognito: dermatophyte infection without obvious signs of inflammation (usually due to prior treatment with topical coicosteroid) * Majocchi's granuloma: T. rubrum (most common), granulomatous folliculitis due to dermatophyte entering hair follicles (usually due to prior topical coicosteroid use), treat with oral antifungal Treatment:- Topical therapy usually adequate (imidazole, allylamine); if extensive or involving hair follicles can use oral terbinafine or itraconazole. Ref:- Sima Jain; pg num:-227
Fungal infections, Scabies, Pediculosis