Madurella species isolated from the calcaneum of a young child. Histologically proven as chromoblastomycosis.
Colony morphology: Light/dark grey in colour, mouse fur-like appearance. Surface is folded in the centre with radial groves towards the periphery. Honey brown coloured diffusable pigment seen around the colony. Picture taken at 2 weeks of growth on SDA.
Lactophenol blue prep: Hyphae are septate, darkly pigmented, mostly wide, branched and toruloid giving a condensed, rounded, bumpy appearence. Chlamydoconidia like structures also seen. Conidia are not commonly formed in Madurella.