Preservation of the anal transition zone has long been a significant source of controversy in the surgical management of ulcerative colitis.The two techniques for restorative proctocolectomy and ileal pouch anal anast...Preservation of the anal transition zone has long been a significant source of controversy in the surgical management of ulcerative colitis.The two techniques for restorative proctocolectomy and ileal pouch anal anastomosis(RPC IPAA) in common practice are a stapled anastomosis and a handsewn anastomosis;these techniques differ in the amount of remaining rectal mucosa and therefore the presence of the anal transition zone following surgery.Each technique has advantages and disadvantages in long-term functional outcomes,operative and postoperative complications,and risk of neoplasia.Therefore,we propose a selective approach to performing a stapled RPC IPAA based on the presence of dysplasia in the preoperative endoscopic evaluation.展开更多
文摘Preservation of the anal transition zone has long been a significant source of controversy in the surgical management of ulcerative colitis.The two techniques for restorative proctocolectomy and ileal pouch anal anastomosis(RPC IPAA) in common practice are a stapled anastomosis and a handsewn anastomosis;these techniques differ in the amount of remaining rectal mucosa and therefore the presence of the anal transition zone following surgery.Each technique has advantages and disadvantages in long-term functional outcomes,operative and postoperative complications,and risk of neoplasia.Therefore,we propose a selective approach to performing a stapled RPC IPAA based on the presence of dysplasia in the preoperative endoscopic evaluation.
