Pneumocystis jiroveci pneumonia

Case contributed by Dr Henry Knipe


Flu-like illness. Rash.

Patient Data

Age: 70
Gender: Male

Diffuse interstitial opacities are seen throughout both lungs with a mid-to-upper zone predominance. 

There are numerous small ill-defined lung nodules and groundglass opacities, particularly affecting the upper lobes. Atelectasis / fibrosis within the middle lobe medially.

The mediastinum appears normal. No pericardial effusion. 

The patient proceeded to bronchoscopy and bronchoalveolar lavage:

Pneumocystis jiroveci DNA by PCR: Detected

Case Discussion

Pneumocysitis pneumonia is an atypical infection which typically has perihilar ground glass opacity. The nodules in this case are somewhat atypical and a differential diagnosis of tuberculosis was given on imaging appearances. 

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Case information

rID: 40244
Published: 15th Oct 2015
Last edited: 16th Jul 2018
System: Chest
Inclusion in quiz mode: Included

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