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目的探讨直肠癌行扩大的后盆腔清扫术，其全阴道切除或后侧壁切除后修复阴道的方法。方法１９９０年～１９９７年，对５例直肠癌行盆腔后清扫术，采用带蒂回肠段修复阴道，其中带蒂回肠段修复全阴道２例，带蒂回肠段，从对系膜缘剪开作阴道后侧壁修复３例。结果５例手术均获成功。随访６个月～６年，修复后的阴道宽度适当，壁较厚，弹性良好，周围瘢痕组织少。结论用带蒂回肠段作阴道修复，取材简便，回肠系膜血管弓有足够的长度可将回肠段移位至会阴部。回肠血供良好，易于愈合，是直肠癌后盆腔清扫术后阴道成形的理想方法
Objective To investigate the method of expanding posterior pelvic dissection of rectal cancer, and the method of vaginal repair after total vaginal resection or posterior lateral wall resection. Methods From 1990 to 1997, 5 cases of rectal cancer were treated with posterior pelvic dissection. The pedicled ileum was used to repair the vagina. The pedicled ileum was used to repair 2 cases of total vaginal pedicles and the pedicled ileum segment was cut from the mesenteric margin. 3 cases of posterior vaginal wall repair. Results All 5 cases were successful. After 6 months to 6 years of follow-up, the width of the repaired vagina was appropriate, the wall was thick, and the elasticity was good. There were few scar tissue around. Conclusions The pedicled ileum segment is used for vaginal repair and is simple to obtain. The ileal mesangial vessel arch has sufficient length to displace the ileum segment to the perineum. The ileum has good blood supply and is easy to heal. It is an ideal method for vaginal shaping after rectal pelvic cavity cleaning.