Pulmonary alveolar microlithiasis

Case contributed by Sajoscha A. Sorrentino
Diagnosis certain

Presentation

Patient presented with exertional dyspnea.

Patient Data

Age: 40 years
Gender: Male

Numerous sand like calcifications throughout the lungs with superimposed regions of ground glass opacity. Anteriorly, the pleural surface is seen as a black line between the high density ribs and the high density lung - the black pleura sign. 

Case Discussion

Numerous sand like calcifications throughout the lungs with superimposed regions of ground glass opacity. Anteriorly, the pleural surface is seen as a black line between the high density ribs and the high density lung - the black pleura sign

A diagnosis of alveolar microlithiasis was made. 

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