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直肠癌是乙状结肠直肠交界处至齿状线之间的癌,是消化道常见的恶性肿瘤,近年来随着我国人民生活水平的提高,发病率呈上升趋势,我国腹膜反折平面以下的中、低位和青年人直肠癌比例高。由于直肠癌位于盆腔,转移方向多,手术难度大,不易得到彻底根治,术后局部复发率高,以及手术时容易损伤盆神经丛,患者术后排尿功能受到影响,生活质量下降。目前直肠癌手术要求在保证根治的前提下尽可能的保留患者的正常生理功能,术中保护患者排尿功能已成为临床新追求和研究热点。
Rectal cancer is the sigmoid colon junction between the dentate line of cancer is a common malignant tumor of the digestive tract in recent years with the improvement of living standards in our country, the incidence was on the rise, the level of peritoneal reflex in China, Low and young people have a high percentage of rectal cancers. As the rectal cancer located in the pelvic cavity, metastatic direction, the operation difficult, not easy to radical cure, postoperative local recurrence rate is high, and the operation is easy to damage the pelvic plexus, the patient’s urination function is affected, the quality of life decline. Rectal cancer surgery requires the preservation of the normal physiological function of patients under the premise of ensuring radical cure, intraoperative protection of patients with urinary function has become a new clinical pursuit and research hot spots.