title: Retroperitoneal malignant fibrous histiocytoma presenting with inferior vena caval obstruction.
abstract: A 54-year-old-man presented with inferior vena caval obstruction. At autopsy, a retroperitoneal malignant fibrous histiocytoma was noted to have invaded the inferior vena cava. Such a clinical presentation is quite unusual for a retroperitoneal sarcoma.
mesh_terms: D003251:Constriction, Pathologic; D018219:Histiocytoma, Benign Fibrous / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D012186:Retroperitoneal Neoplasms / Q000150:complications*; D014652:Vascular Diseases / Q000209:etiology; D014682:Vena Cava, Inferior / Q000473:pathology