Pulmonary alveolar proteinosis

Case contributed by Dr Hani Salam


Shortness of breath of 4 days duration

Patient Data

Age: 35
Gender: Male

Diffuse alveolar opacities are noted in bilateral mid and lower zones. 


Diffuse widespread ground glass opacities with superimposed smooth interlobular septal thickening giving a typical appearance called as "crazy paving pattern" which is characteristically seen in pulmonary alveolar proteinosis

Case Discussion

Chest x-ray demonstrates small acinar opacities mimicking a miliary pattern.

CT scan of the chest shows widespread bilateral ground-glass opacities with superimposed smooth interlobular septal thickening referred to as crazy paving which is seen in pulmonary alveolar proteinosis.

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Case information

rID: 8714
Published: 24th Feb 2010
Last edited: 10th May 2018
System: Chest
Tag: lungs
Inclusion in quiz mode: Included

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