Should the inferior vena cava be reconstructed after resection for malignant tumors?
Yoshidome H; Takeuchi D; Ito H; Kimura F; Shimizu H; Ambiru S; Togawa A; Ohtsuka M; Kato A; Miyazaki M Department of General Surgery, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-Ku, Chiba 260-0856 Japan. BACKGROUND: Caval replacement after circumferential resection of the inferior vena cava remains controversial. The aim of the current study is to determine whether or not inferior vena cava replacement should be performed. METHODS: We reviewed 36 cases undergoing resection of the inferior vena cava concomitant with resection of malignant neoplasms. Our criteria for circumferential resection of the inferior vena cava were half or more of the circumference of the vessel wall invaded by tumor, a primary tumor of the caval wall, or massive intraluminal tumor thrombus suspected of adhering to the caval wall. We detailed 10 patients undergoing circumferential resection of the inferior vena cava. RESULTS: Most of patients who did not undergo replacement of the inferior v