Abstract：Objective To analyze the three-dimensional anatomical structures and distributions of the three branch of the Glissonean pedicle of the left liver, and provide anatomical basis for the precise hepatectomy of the left liver.Methods The morphological observation of the Glissonean pedicle of the left liver through dissecting 20 cases of adult corpses without liver pathological changes was made, the anatomical position of three-dimensional space and the number of the three branch of in each region of the Glissonean pedicle of the left liver, data were then collected and the statistical analysis was made.Results The length of the Glisson pedicle of left hepatic was (3.10±0.76)cm. Angles between the stem of the Glisson pedicle of right liver(GR)/the stem of the Glisson pedicle of left liver(GL) are 175.70°±11.54°; angles between GR/GT were 107.60°±13.82°; angles between GL/ligamentum hepatoduodenale(GT) were 76.70°±17.36°. The shapes of the Glissonean pedicle stem of the left hepatic presenting arch, the number of radial level 3 branches was between 3-8, in which, the 3 types and the 8 types accounted for 1/20, the 4 types and the 6 types were 4/20, the 7 types were 2/20, and 5 types were 8/20. There was only one branch in S2 section.Conclusions The anatomical position of three-dimensional space and the number of the three branch of in each region of the Glissonean pedicle of the left liver does not entirely fit the description of Couinaud's segment, obvious individual differences do exist. So, understanding three-dimensional of the anatomy of the Glissonean pedicle of the left liver before operation, especially the number of the three branch are the basis of precise hepatectomy.
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