Presentation
Sepsis, confusion. Found on ground.
Patient Data
Age: 50 years
Gender: Male
From the case:
Pneumocystis pneumonia
Frontal

Hazy opacity in a perihilar pattern. Possible pulmonary nodules. No pleural effusion. No focal consolidation.
From the case:
Pneumocystis pneumonia
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Axial lung window

Perihilar ground glass opacity with multiple pulmonary cysts. Few peripheral hazy nodules. No pleural effusion. No lymphadenopathy.
Case Discussion
This patient had a history HIV/AIDS and was immunosuppressed with a CD4 count of 22 cells/mm3. The patient underwent bronchoscopy and Pneumocystis jiroveci DNA by PCR was positive.
The CT appearances of ground glass opacity and cysts are typical.