title: Multiple myeloma complicated by myelomatous obstructive uropathy.
abstract: Two patients with multiple myeloma with large retroperitoneal myelomatous masses are discussed. This extraosseous extension of disease caused obstructive uropathy in both patients. This complication has not been previously recognized in multiple myeloma and must be added to the potential casues of renal failure in this disease.
mesh_terms: D058186:Acute Kidney Injury / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009101:Multiple Myeloma / Q000150:complications* / Q000473:pathology; D011859:Radiography; D012186:Retroperitoneal Neoplasms / Q000150:complications* / Q000473:pathology; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging / Q000209:etiology*