1504-3

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 1504-3

  • 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.

Full critique (PDF)

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