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目的为肠系膜上静脉胰后干切除及血管重建提供形态学基础。方法选取男、女性标本各50例,切除胰十二指肠后,测量肠系膜上静脉胰后干的长度和向上纵向折叠长度,以推算肿瘤手术时可切除的静脉的最大长度。结果肠系膜上静脉胰后干长度男、女性分别为(3.5±0.8)cm和(3.3±0.6)cm;长度大于3.0 cm的分别为80%(40例)和76.0%(38例)。切除胰十二指肠后,胰腺钩突以下肠系膜上静脉向上纵向折叠长度为4.0~5.1cm。结论胰头肿瘤合并受浸润胰后干切除后,血管重建是可行的。
Objective To provide morphological basis for the superior mesenteric vein pancreaticoduodenectomy and revascularization. Methods Fifty male and female specimens were selected. After resection of the pancreaticoduodenal ducts, the length of the superficial superior mesenteric veins and the length of vertical extension were measured to determine the maximal length of the resectable veins during tumor surgery. Results The length of posterior trunk of the superior mesenteric vein was (3.5 ± 0.8) cm and (3.3 ± 0.6) cm, respectively. The length of the superior mesenteric vein was 80% (40 cases) and 76.0% (38 cases) respectively. After resection of the pancreatic duodenum, the superior superior mesenteric vein below the uncinate process is longitudinally folded 4.0 to 5.1 cm in length. Conclusions The reconstruction of pancreatic head tumors is feasible after the resection of the pancreas with infiltration of pancreas.