MY1504-3

Skin Biopsy: Rhinocladiella species – Shipped 13 April, 2015

HISTORY

This challenge was sent as a simulated skin biopsy sample. La-boratories were expected to isolate and identify Rhinocladiella species.

MAIN EDUCATIONAL POINTS from MY1504-3

• Etiological agents of Chromoblastomycosis (CBM) grow slowly on standard mycology media and velvety and pigmented colonies which are initially deep green in color and later become black.
• Chromoblastomycosis is a chronic, progressive cutaneous and subcutaneous disorder characterized by nodular and verrucous skin lesions.  The main agents responsible for its etiology are Fonsecaea species, Cladophialophora carrionii, Phialophora verrucosa, and Rhinocladiella aquaspersa.

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