title: Pulmonary alveolar microlithiasis in the orang-utan (Pongo pygmaeus).
abstract: A 19-years-old male Orang-Utan had a brief illness of two weeks with marked dyspnoea. Necropsy revealed diffuse bilateral pulmonary alveolar microlithiasis. This is the first account of this pathoanatomical entity in lower primates.
mesh_terms: D000818:Animals; D000836:Animals, Zoo; D002137:Calculi / Q000473:pathology / Q000662:veterinary*; D015186:Hominidae; D008171:Lung Diseases / Q000473:pathology / Q000662:veterinary*; D008297:Male; D011650:Pulmonary Alveoli / Q000473:pathology