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目的：通过观察肝门部门静脉与肝实质之间的解剖关系，讨论ＴＩＰＳＳ术中选择门脉左右主支或门脉分歧部作为穿刺点的可行性。材料与方法：对１０例新鲜人体尸检正常肝脏标本，观察门静脉分歧部、门静脉左右主支与肝脏之间的空间关系及解剖联系，并对１０％福尔马林固定后的标本切片作光镜下观察。结果：１０例标本中，门静脉分歧部及左右主支均位于肝外。门脉分歧部与门脉左右主支的上壁、后下壁与肝实质连接紧密。光镜下见门静脉分歧部、门静脉左右主支与肝实质间存在致密结缔组织。结论：肝外门静脉分歧部、门静脉左右主支均可作为ＴＩＰＳＳ术中的安全穿刺点。
Objective: To observe the anatomic relationship between the hepatic portal vein and the liver parenchyma and to discuss the feasibility of choosing the left branch of the portal vein or portal branch as the puncture point in TIPSS. MATERIALS AND METHODS: The normal liver specimens from 10 fresh human autopsy specimens were collected for observation of the spatial relationship and anatomy of the portal vein branches, the main branches of the portal vein and the liver, and the specimens were fixed in 10% formalin for light microscopy Under observation. Results: In 10 specimens, the branches of the portal vein and the left and right main branches were located outside the liver. Branch of the portal vein and portal vein around the main branch of the wall, the lower wall and the liver parenchymal connection. Light microscope, see the different branches of the portal vein, portal vein and liver parenchyma between the main presence of dense connective tissue. Conclusion: The extrahepatic portal vein branches and the left and right main branches of the portal vein can be used as safe puncture points during TIPSS.