7.4　小结

腹腔镜往复式右半结肠D3 根治术以胰腺颈部下缘为游离止点的标志，首先处理跨越SMV 的动脉分支，然后充分显露SMV 全长，再依次处理静脉属支，可简化对SMV 的各结肠静脉属支的暴露；完成SMV 前方游离和血管处理后再分离结肠后间隙，能有效降低术中因过度牵拉所致静脉意外出血的概率。本术式能显著降低腹腔镜右半结肠癌D3 根治术的技术难度及操作复杂性，是一种安全有效的腹腔镜手术方法。

（孟文建、王自强）

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