Pneumocystis pneumonia

Case contributed by Dr Henry Knipe

Presentation

Sepsis, confusion. Found on ground.

Patient Data

Age: 50 years
Gender: Male
X-ray

Hazy opacity in a perihilar pattern. Possible pulmonary nodules. No pleural effusion. No focal consolidation. 

CT

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. 

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