Clin Endosc.  2019 Mar;52(2):120-128. 10.5946/ce.2019.047.

Endoscopic Submucosal Dissection for Colitis-Associated Dysplasia

  • 1Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
  • 2Division of Gastroenterohepatology, Department of Internal Medicine, University of Sumatera Utara, Adam Malik General Hospital, Medan, Indonesia.


Dysplasia is a precancerous lesion of colorectal cancer in patients with long-standing inflammatory bowel diseases (IBDs), such as ulcerative colitis and Crohn's disease. Recent guidelines suggest endoscopic resection as a key modality for the treatment of endoscopically resectable dysplasia in patients with colitis. Endoscopic submucosal dissection (ESD) has been suggested as one of the therapeutic options for dysplasia that is potentially resectable but not suitable for the conventional endoscopic mucosal resection technique. Several recent studies supported the feasibility of ESD for the treatment of colitis-associated dysplasia in terms of the en bloc and complete resection rates and the risk of procedure-related complications. However, these studies were performed exclusively in expert centers. Moreover, the local and metachronous recurrence rates were relatively high, and long-term outcome data are still lacking. Endoscopists should be highly skilled in colorectal ESD and have an intensive understanding of not only the lesions but also the conditions of patients with IBDs. Therefore, the decision to perform ESD for colitis-associated dysplasia should be made scrupulously after careful discussion with patients, in collaboration with a multidisciplinary IBD team including physicians, surgeons, and pathologists specialized in IBDs.


Inflammatory bowel disease; Ulcerative colitis; Dysplasia; Endoscopic submucosal dissection
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