Microscopic Examination of a Lung Biopsy Shows Spherules

Question

Microscopic examination of a lung biopsy shows spherules.What is the etiology of the symptoms?
A)Blastomyces
B)Coccidioides
C)Histoplasma
D)Mycobacterium
E)Pneumocystis

Accepted Answer

Spherules seen in a lung biopsy are characteristic of Coccidioides infection, which is a fungal pathogen causing coccidioidomycosis, also known as Valley fever.