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technical cases

Blastomyces dermatitidis

• Stain: LPAB x400

• Short conidiophore

• Small round or lollipop-like microconidia

• No macroconidia

• Colonial morphology and microconidia of Blastomyces and Histoplasma are very similar.

• Tuberculate macroconidia
produced by Histoplasma will separate one from the other
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