Pulmonary alveolar microlithiasis is a rare disease of unknown cause. We report a case in a young boy who presented with history of failure to thrive and chest X-ray finding suggestive of miliary mottling. Open lung biopsy revealed pulmonary alveolar microlithiasis.
Keywords: Pulmonary alveolar microlithiasis; biopsy; miliary tuberculosis; misdiagnosis.