根治性整块切除直肠及其系膜 ,不论行经腹会阴或低位前切除操作 ,是直肠癌治疗的标准方法 ,惜有不少病例采用局部切除 ,未能享受标准手术的优点和益处。局部切除仅限在局限于肠壁的肿瘤 ,这就需要精确的术前分期 ,包括直肠内 B超检查。作者分析局部切除的结局。Minesota大学附 The radical resection of the rectum and its mesenterium, whether transabdominal perineal or low anterior resection, is the standard method of rectal cancer treatment. Unfortunately, there are many cases that use local resection and do not enjoy the advantages and benefits of standard surgery. Local resection is limited to tumors confined to the bowel wall, which requires accurate preoperative staging, including rectal B-scan. The authors analyzed the outcome of local resection. University of Minesota