Ileal Pouch-Anal Anastomosis for Dysplasia or Cancer Complicating Inflammatory Bowel Disease: Is Total Mesorectal Excision Always Mandatory? An Analysis of 36 Consecutive Patients.

Background And Aims: The extent of lymph node harvesting during surgery for colorectal neoplasm [dysplasia and/or cancer] complicating inflammatory bowel disease [IBD] is a matter of debate. This study aimed to assess the risk of invasive rectal cancer in patients undergoing ileal pouch-anal anastomosis [IPAA] for colonic neoplasm complicating IBD, and thus to clarify whether a systematic total mesorectal excision [TME] should be systematically performed, or not, in those patients.

Methods: From 1998 to 2015, all patients who underwent IPAA for colorectal neoplasm complicating IBD were included.