Microscopic examination of a lung biopsy shows thick-walled cysts. What is the etiology of the symptoms?

Microscopic examination of a lung biopsy shows thick-walled cysts. What is the etiology of the symptoms?



A) Blastomyces
B) Coccidioides
C) Histoplasma
D) Mycobacterium
E) Pneumocystis


Answer: Pneumocystis


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