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侧方及周围组织浸润是低位直肠癌主要的增殖、发展方式,也是术后复发的主要因素。经骶尾、腹腔直肠乙状结肠切除术强调以会阴部强化局部控制为核心,是根据低位直肠癌的浸润及进展规律、复发方式所设计的一种手术方式。其优点为:视野充足、直视下深层解剖,精确切除导致复发的关键性的局部解剖学因素,并且实现了完全的全直肠系膜切除(TME)及必要的侧方淋巴结清扫。可降低局部复发率、改善存活率,是一种有效的外科治疗手段。
Lateral and surrounding tissue infiltration is the main proliferation of low rectal cancer, development, but also the main factor for postoperative recurrence. The sacrococcygeal, abdominal rectosigmoid resection emphasizes the local control of the perineal strengthening the core, is based on the low rectal cancer infiltration and progress of the law, the recurrence of the design of a surgical approach. Its advantages are: adequate field of vision, deep dissection under direct vision, precise excision of the key local anatomic factors leading to recurrence, and complete complete mesorectal excision (TME) with the necessary lateral lymph node dissection. Can reduce the local recurrence rate and improve the survival rate, is an effective surgical treatment.