About Pneumocystis pneumonia the true statement is:

A. The causative organism is a protozoan

B. Drug of choice is Trimethoprim-Sulfamethoxazole (Cotrimoxazole)

C. Most common radiological appearance is a bat wing distribution of infiltrates with pneumocysts in peripheral fields

D. Steroids have no role in the therapy of Pneumocystis pneumonia

Correct Answer: Drug of choice is Trimethoprim-Sulfamethoxazole (Cotrimoxazole)

Description: Pneumocystis jirovecii is a fungus responding to Cotrimoxazole. It causes opportunistic pneumonia in patients with HIV infection. The most common radiology finding is a normal X-ray chest. However, the most typical X-ray is a bat wing distribution of infiltrates with pneumocysts in peripheral fields. Steroids are combined with Cotrimoxazole in treatment of severe Pneumocystis jirovecii pneumonia.

Category: Medicine

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