Sandstorm appearance on Chest radiograph is characteristic of?
Pulmonary edema
Pulmonary alveolar proteinosis
Pulmonary alveolar microlithiasis
Pulmonary thromboembolism
Pulmonary alveolar microlithiasis is a chronic disease characterized by widespread diffuse bilateral intraalveolar accumulation of minute calculi (microlithiasis) especially in mid and lower zones, giving characteristic sandstrom appearance on chest radiographs.
Respiratory Radiology