肛管直肠平滑肌肉癌是一种罕见的恶性肿瘤,发生率仅占直肠恶性肿瘤的0.5%以下.自1908年Exner首次报告2例以来,现英文文献共约150例.目前对该病的治疗仍存在很多分歧.早期,误认为该病复发、转移的死亡率高,故治宁不积极,一般主张局部切除或瘤体挖除.随后又渐兴起扩大根治.但大多数外科医生认为应行适当的根治术.作者对22例 Anorectal smooth muscle cancer is a rare malignant tumor with an incidence of less than 0.5% of rectal cancer. Since Exner first reported 2 cases in 1908, there are about 150 cases of English literature. Currently the treatment of this disease There are still many differences. Early, mistakenly believed that the recurrence of the disease, the mortality rate of metastasis is high, so governance is not positive, generally advocated local resection or tumor extirpation. Then gradually emerged and expanded radically. But most surgeons think it should be Proper radical surgery. Authors of 22 cases