Pneumocystis jirovecii pneumonia

HIGH-YIELD Appears 1×

Teaching point

An immunocompromised patient (chemotherapy for lymphoma) with fever, nonproductive cough and bilateral interstitial/ground-glass infiltrates suggests PJP. Diagnose with induced sputum or BAL (silver stain/PCR), supported by raised LDH and beta-D-glucan; treat with high-dose TMP-SMX +/- steroids.

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