FAP Concurrent with Colon Cancer Managed by Total Proctocolectomy with Reverse Total Mesorectal Excision: A Case Report and Literature Review

Restorative total proctocolectomy (RTPC) is the surgical option for patients of familial adenomatous polyposis (FAP) with concurrent colorectal cancer (CRC) or at high risk of developing CRC in the future. Open or laparoscopy- assisted procedures have been proposed.We proposed, herein, a case of FAP with synchronous sigmoid colon cancer in a 17-year-old adolescent surgically treated as single-incisional total proctocolectomy combining with transanal endoscopic total mesorectal excision (TME) and inter-sphincteric resection (ISR) under the assistance of laparoscopic assistance and ileal-J-pouch anal anastomosis (IJPAA) approached by self-made multichannel port system. Literature review about minimal invasive surgery to manage FAP is also presented.