[Interdigital erythrasma: clinical, epidemiologic, and microbiologic findings]

摘要: Background. Erythrasma is a superficial infection caused by Corynebacterium minutissimum and affects the major skin folds interdigital regions of feet. It characterized erythematous, brown, scaly patches maceration, exhibits coral-red fluorescence under Wood light. Objective. The aim this study was to determine frequency erythrasma in patients with lesions. Methods. An open, prospective, longitudinal, observational performed hospital Mexico City between March December, 2006. All lesions were examined lamp direct examination 20% potassium hydroxide. Cultures done Sabouraud dextrose agar brain heart infusion agar, smears analyzed. General characteristics concomitant diseases recorded. Results. We 73 patients, whom 24 (32.8%) diagnosed based on coral- red light identification corynebacteria Gram staining. disease more common women (83.33%) mean age 43.5 years. main clinical findings scaling fourth web most commonly affected. could not be isolated any cases. Mycology positive 15 cases (62.5%) following microorganisms isolated: Candida (16.6%), dermatophytes (12.5%), Trichosporon (4.1%). Conclusions. Interdigital condition can easily confused tinea. persists if treated appropriately. Rapid diagnosis obtained lamp, while culture difficult unnecessary for diagnosis. coexistence should considered when webs are