Presentation
Severe dyspnea. Her physician suspected interstitial lung disease.
Patient Data
Age: 50 years
Gender: Female
From the case:
Pulmonary alveolar microlithiasis
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Innumerable sand-like calcifications throughout the lungs, predominantly in mid & lower zones, sparing the apices, with subpleural and peribronchial distribution, crazy paving pattern, calcified interlobular septa and black pleura sign.
Fibrotic changes in the right apex with several small bullae.
Dilated pulmonary trunk and main pulmonary arteries.
Cardiomegaly, mild pericardial effusion.
Upper abdominal slices - hepatomegaly and mild ascites.
Case Discussion
Pulmonary alveolar microlithiasis (PAM) is a rare idiopathic condition characterized by widespread intra-alveolar deposition of spherical calcium phosphate microliths.
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