This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
[{'content': 'What is the most likely infecting organism in this patient with prostatitis? \nSelect and explain. \nA. Blastomyces dermatitidis, B. Escherichia coli, C. Histoplasma capsulatum, D. Pseudomonas aeruginosa', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer A. Blastomyces dermatitidisThe appearance of these skin lesions is most typical of infection with Blastomyces dermatitidis, Coccidioides immitis, and Cryptococcus neoformans. The genitourinary tract is the second most common nonpulmonary site of involvement after the skin for these infections. The lesions are not typical of infection with the other listed infections.', 'role': 'assistant'}]