الملخص الإنجليزي
Pulmonary alveolar microlithiasis (PAM) is a rare disease caused by a mutation in the
SLC34A2 gene encoding the type IIb sodium phosphate cotransporter in alveolar type
II cells. This results in the formation and accumulation of calcium phosphates crystals
in the alveoli. Early in the disease, most patients are asymptomatic or might experience
mild symptoms. However, in some patients, PAM can progress resulting in pulmonary
fibrosis, cor pulmonale, and respiratory failure. We report the case of a 33-year-old Omani
male who was referred to our institute with a history of fever and shortness of breath. A
chest radiograph revealed bilateral dense consolidation. Chest computed tomography
showed bilateral dense interlobular thickening and extensive consolidations with a lower
lung predominance. Our findings were highly suggestive of PAM. The diagnosis was
confirmed by bronchoalveolar lavage.
