Nonmalignant venographic abnormalities of the inferior vena cava.
Displacement of the inferior vena cava, impressions made by adjacent structures, or intraluminal filling defects mat indicate retroperitoneal tumor growth. However, similar changes may be caused by nonmalignant normal or pathological conditions. The authors illustrate several such cases seen among 1,428 examinations performed during a three-year period.
D001012:Aorta, Abdominal / Q000000981:diagnostic imaging; D004108:Dilatation, Pathologic / Q000150:complications; D006801:Humans; D010690:Phlebography; D012082:Renal Veins / Q000002:abnormalities; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging; D014652:Vascular Diseases / Q000000981:diagnostic imaging / Q000209:etiology; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging*