title: Isolated mediastinal mass in primary amyloidosis.
abstract: A previously healthy man with lytic bone lesion of the left talus was found to have a large middle mediastinal mass on routine admission chest roentgenogram. A large amyloid tumor of the mediastinum, representing the sole intrathoracic manifestation of primary amyloidosis, was resected. This presentation of intrathoracic amyloidosis has not previously been reported.
mesh_terms: D000682:Amyloid; D000686:Amyloidosis / Q000150:complications*; D001847:Bone Diseases / Q000150:complications*; D016025:Bone Transplantation; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000150:complications* / Q000473:pathology / Q000601:surgery; D008482:Mediastinum / Q000000981:diagnostic imaging; D008875:Middle Aged; D011859:Radiography; D013628:Talus / Q000601:surgery*
chemical_list: D000682:Amyloid