OBJECTIVE: To explore three-dimensional reconstruction of hepatic portal vein by laminagraphy of cast specimens to provide anatomic basis for hepatectomy.
目的：利用管道铸型标本断层摄影法对肝门静脉系统进行三维重建，为腹腔镜肝切除手术提供可靠的解剖学依据。
Methods:The length of screw channel have been measured on 100 intact skeletons and the bone structure of screw channel have been observed by means of CT laminagraphy on 30.
方法：在10 0例脊柱骨标本上测量螺钉通道长，并对其中30例做CT断层摄影，观测螺钉通道的骨性结构。
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