肝门静脉左支的临床解剖学  

Clinical anatomy of the left branch of the portal vein

作　　者：张慧[1] 周庭永[1] 钱学华[1] 刘本菊[1] 徐伟[1] 李林宏[1] 吕发金[2] 

机构地区：[1]重庆医科大学解剖学教研室,法医学与生物医学信息研究室,重庆400016 [2]重庆医科大学附属第一医院放射科,重庆400016

出　　处：《解剖学杂志》2011年第1期95-97,125,F0003,共5页Chinese Journal of Anatomy

摘　　要：目的：观测肝门静脉左支的形态特征和分支分布规律,为诊断和治疗肝疾病提供更为详尽的形态学资料.方法： 50例肉眼观察无病变的成人尸体肝并进行剥离解剖,对肝门静脉左支的形态结构进行观察,测量其主干及主要分支的相关数据并进行统计学分析.结果： 左支横部、矢部长分别为（23.90±5.29）mm, （24.02±4.97）mm;内径分别为（7.43±1.09）mm, （7.07±1.36）mm;角部角度为114.18°±22.59°.左外叶上段支长（48.57±17.51）mm,其根部、1/2处、末端的内径分别为（3.72±1.16）mm, （3.08±0.91）mm, （2.53±0.77）mm.左外叶下段支长（39.42±14.57）mm,其根部、1/2处、末端的内径分别为（3.98±1.05）mm, （3.40±0.98）mm, （2.87±1.11）mm.20.0%的左支矢状部被肝实质覆盖,平均范围为（25.0±11.89）mm,厚度为（19.3±5.96）mm.结论：肝门静脉左支主干的径值和角度变动范围较大,除分支供应左半肝外,尚可发出右前叶支至右前叶;固有尾状叶的血供主要来自肝门静脉左支主干,其分支分布直接影响到左半肝分叶分段,具体定界应结合实际情况而定.Objective： To provide the morphological data for diagnosis and treatment of the liver diseases by observation of the anatomical properties and tributaries of the left branch of the portal vein. Methods： 50 non-illness adult cadaverie livers were dissected, tributaries of the left branch of the portal vein were observed, and the main trunk of left branch and correlated data were measured and analyzed statistically. Results： The length of pars transverses on the left stem was （23. 90 ± 5.29） ram, the diameter was （7.43±1.09） rnm; the length of pars sagitalis on the left stem was （24.02±4.97） ram, the diameter was （7.07 ±1.36） mm; and the pars angularis was 114.18°±22.59°. The length of left lat. superior segmental branch was （48.57 .4± 17.51） ram. The diameter of the beginning, midpoint and distal end was （3.72 .4±1.16） mm, （3.08 ± 0. 91） mm, （2.53±0. 77） mm respectively. The length of left lat. inferior segmental branch was （39.42.4±14.57） mm, and the diameter of the beginning, midpoint and distal end was （3.98 .4± 1.05） ram, （3.40.4--- 0.98） ram, （2.87 .4± 1.11） mm respectively. 20.0% pars sagitails on the left stem was covered by liver parenchyma, the range was （25.0 .4± 11.89） mm, and the depth was （19.3 .4± 5.96） mm. Conclusion： There is a large scope of the diameter and angle of the left portal vein, the branching to sup- ply left herniliver and right anterior; the portal branches in the caudate lobe of the liver mainly originate from the left branch of the portal vein. The branching directly impact on left lobectomy and segmentectomy, and specific condition is combined with practical information.

关 键 词：肝门静脉 左支 应用解剖 

分 类 号：R657.340.5[医药卫生—外科学]