目的 观察变异肝动脉的解剖学特点，为临床相关血管影像学检查、手术及介入治疗等提供形态学资料。 方法 按常规方法解剖25例成人尸体标本，沿肝总动脉追踪、寻找肝固有动脉的分支并观察分布情况。 结果 本组肝固有动脉及其分支变异率为28%。其中有2例属Hitta分型外的变异肝动脉，肝固有动脉右侧壁未见胃右动脉，而是在左侧壁发出1支动脉主干，远端分支分布于肝和胃，本文称为“肝胃动脉（HGA）”；其中标本2从HGA主干后壁发出1分支，远端也分布于肝和胃，本文称为“肝胃副动脉”。 结论 本组2例起于肝固有动脉左侧壁的HGA，是胃小弯右侧的主要动脉来源，并有分支营养肝和胃的其他部位。此种变异补充了变异肝动脉的形态学资料，对临床有一定的指导价值。
Abstract
Objective To investigate the anatomical features of variant hepatic artery so as to provide morphological data for clinical operation, such as related vascular imaging examination, surgery and interventional therapy. Methods Twenty-five adult corpses were dissected in the routine method. The branches of the proper hepatic artery and their distributions were traced along the common hepatic artery, and the distributions were studied. Results The variant rate of proper hepatic artery and its branches was 28%. Some variant branches beyond the Hitta classification were found in 2 cases, in which the right gastric artery was not found as expected on the right wall of the proper hepatic artery；it originated from the left wall and was distributed in the liver and stomach, and was called "hepatogastric artery (HGA)" in the literature. In one of the two specimens, a branch was found originating from the posterior wall of HGA and also distributed in the liver and stomach, which was thus called "hepatogastric accessory artery". Conclusion HGA originates from the left wall of the proper hepatic artery in two of the specimens, and is the main arterial source of the right side of the lesser curvature of the stomach, and has branches to nourish the liver and other parts of the stomach as well. This research contributes to the morphological data of the variant hepatic artery, and may give some guide to the related clinic operation.
关键词
肝固有动脉 /
变异肝动脉 /
肝胃动脉 /
胃右动脉 /
变异
Key words
Proper hepatic artery /
Variant hepatic artery /
Hepatogastric artery /
Right gastric artery /
Variation
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基金
山西省第二批继续医学教育项目 （130102240）； 长治医学院科研启动基金项目 （QDZ201633）； 长治医学院教学改革创新项目 （J2016012）； 山西省高等教育水平提升工程项目 （J2017087）； 长治医学院教学质量工程项目 （HHZD2017002）
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