经耻骨入路低位前切除术治疗低位直肠癌34例,疗效满意。作者认为,该术式暴露良好,能保证手术的彻底性,顺利完成吻合。安全远切缘应以3cm为基本长度,但确切长度应以术中冰冻病检结果为准。除肿瘤远端肠管切除不够和盆腔清扫不够彻底外,癌细胞种植亦是局部复发的重要原因,本组有2例于半年内复发(5.8％),5年存活22例(76％)。 Low-position anterior resection of the pubis approach for the treatment of 34 cases of low rectal cancer with satisfactory results. The author believes that the surgical exposure is good, can guarantee the thoroughness of the operation and complete the anastomosis successfully. The safety margin should be 3cm as the basic length, but the exact length should be based on the results of the intraoperative frozen examination. In addition to insufficient distal tumor resection and pelvic dissection, the implantation of cancer cells is also an important cause of local recurrence. Two patients in this group had recurrence (5.8%) within six months and 22 patients (76%) survived within five years.