CT Diagnosis on Pancreatic and Peri-ampullar Carcinoma with Invasive Portal Vein
WEN Ji-min (Department of General Surgery,The People's Hospital of Beihai City, Beihai 536000, China)
Objective To study the relation between the pancreatic and peri-ampullar carcinoma and portal vein (PV) to make a relevant surgical procedure and to enhance the resecable rate of pancreatic and peri-ampullar carcinoma. Methods A respective analysis of 21 cases of pancreatic and peri-ampullar carcinoma patients was made. Results There were 14 cases without PV invaded before operation on CT and 7 cases with PV invaded. The results of CT examinations were as same as those of the operation exploration with the accuracy of diagnosis being 80.9%. In this group, 10 cases underwent operation resection and 2 partial resection of PV wall and plastic operation. Conclusion Preoperative examination of CT to the patients with pancreatic and peri-ampullar carcinoma could understand the relation between the tumors and PC. For those with PV invasion or PV invasion by little tumor, but without invasion of vascular tunica intima, the pancreatic carcinoma could be removed. The contraindications of the operation for pancreatic and peri-ampullar carcinoma were as follows: surrounding of vessels by tumor, obvious narrow or embolization of the vessels, invasion of the superior mesenteric arteries and celiac trunk, invasion of vascular tunica intima of PV or tumor in vascular cavity.