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肛門直腸恶性肿瘤的治疗,手术仍是重要的方法。手术的目的是要将肿瘤、肛管、直腸、乙状結腸、腸系膜、淋巴組織、以及可能被侵犯的組織全部切除,以达到根治;另一目的即保留肛門或恢复肛門功能。自1908年英人Miles氏发明腹会阴联合切除术,使切除范围广泛彻底,經过50余年的改进,不断扩大切除范围,如高位結紮腸系膜下血管,切除左側结腸等,提高了五年治愈率。另外对肛門的去留也是一个重要問題,人工肛門虽然若处理得当,对正常生活可以影响不大,但一般患者对人工,肛門实感厭烦,在日常实际处理中也很不便。有的患者因不愿接受腹部人工肛門,而耽誤治疗。过去虽有保留肛門括約肌手术或切除吻合手术的发明,
Anorectal malignant tumor treatment, surgery is still an important method. The purpose of surgery is to remove the tumor, anal canal, rectum, sigmoid colon, mesentery, lymphoid tissue, and the tissue that may be inflated in order to achieve radicalization; another purpose is to retain the anus or restore anal function. Since 1908 British Miles’s invented abdominal perineal resection, so that a wide range of resection, after 50 years of improvement, expanding the scope of resection, such as high ligation of the lower mesenteric vessels, removal of the left colon, increased five-year cure rate. In addition to the anus to stay is an important issue, although the artificial anus, if properly handled, can have little effect on normal life, but the general patient artificial, anus really tired, the actual handling of the day is also very inconvenient. Some patients because of unwilling to accept abdomen artificial anus, and delay treatment. Although in the past to retain the anal sphincter resection or anastomosis surgery invention,