直肠癌根治术淋巴结切除的范围应多大,有些不同的意见。我个人认为应至少考虑下述几个方面的问题:①直肠的淋巴引流,②直肠癌病例中引流直肠的淋巴结转移频率和预后的关系,③临床的实际情况。只有根据这些,对每个病例予以有原则的不同考虑,确定术中切除范围,才比较恰当。一、直肠的淋巴引流直肠的解剖以直肠横襞为界(即Houstom’s 襞),把直肠分为腹膜内、外两部分,上为内,下为外。横 The scope of lymph node resection for rectal cancer surgery should be much, some different opinions. I personally think that at least the following aspects should be considered: 1 Lymphatic drainage of the rectum, 2 Lymph node metastasis and rectal lymph node metastasis in cases of rectal cancer. 3 The clinical situation. Only according to these, it is more appropriate to have different considerations in principle for each case and determine the extent of intraoperative resection. First, rectal lymphatic drainage Anatomy of the rectum is divided into rectum and diaphragm (Houstom’s fistula). The rectum is divided into intraperitoneal and external parts. The upper part is the inner part and the lower part is the outer part. horizontal