Audio Qbank – Q229 – A 42M with a cavitary mass

 

A 42-year-old man from rural India whose medical history is unknown presents for an immigration physical exam. Chest x-ray shows a cavitary mass in the right upper lobe of the lungs. Following various investigations, a biopsy of the mass is performed and shown below.


What’s the most likely causal organism?

Absidia atrospora
Actinomyces israelii
Aspergillus fumigatus
Blastomyces spp.
Candida albicans
Histoplasma capsulatum