ABSTRACT Pulmonary alveolar microlithiasis is rare infiltrative pulmonary disease characterized by intra-alveoli deposition of microliths. We present a familial case of an adult female with complaint of progressive shortness of breath on exertion. Chest radiograph showed innumerable tiny dense nodules. diffusely involving both lungs mainly the lower zones. https://foldlyers.shop/product-category/accessories-incandescent-globes/