PMC7235621_01
Erythematous plaque (1.5 x 1 cm) with hemorrhagic crusting and ulceration over the left shoulder.
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The scalp lesion had intact hair follicles (Fig. 1, Fig. 2).
A. Hematoxylin-and-eosin-stained section shows dermal granulomatous inflammation. B. Gomori methenamine silver (GMS) stained section shows one dermal granuloma where yeast can be seen in black. C. Closer view of the granuloma reveals the characteristic budding yeast of B. Dermatitidis.
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A biopsy of the scalp lesion was subsequently done which showed dermal granulomatous inflammation and fungi morphologically consistent with blastomycosis (Fig. 3).