Pulmonary alveolar microlithiasis

Case contributed by Dr Dalia Ibrahim

Presentation

Severe dyspnea. Her physician suspected interstitial lung disease.

Patient Data

Age: 52-year-old
Gender: Female

Numerous sand-like calcifications throughout the lungs predominantly in mid & lower zones sparing the kung apices with subpleural and peribronchial distribution, crazy paving patten, calcified interlobular septa and black pleura sign

Small right apical bulla.

Dilated main pulmonary artery.

Increased cardiac size with mild pericardial effusion.

Scanned upper abdominal cuts revealed hepatomegaly and mild abdominal ascites.

Case Discussion

Pulmonary alveolar microlithiasis (PAM) is a rare idiopathic condition characterised by widespread intra-alveolar deposition of spherical calcium phosphate microliths

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Case information

rID: 47106
Case created: 31st Jul 2016
Last edited: 8th May 2017
System: Chest
Inclusion in quiz mode: Included

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