• Yee Shyn Tai, Clement Lk Chia, and Kok-Yang Tan.
• Department of General Surgery, Khoo Teck Puat Hospital, Singapore.
• Singap Med J. 2019 Oct 1; 60 (10): 508-511.

IntroductionEndoscopic submucosal dissection (ESD) in the colon and rectum has been developed with good reported outcomes. The main advantage of ESD is the ability to perform en bloc resection, which has implications for complete excision and pathological analysis. Locally, the use of ESD in colonic lesions has seen recent traction. Our study aimed to review the outcomes of the first 50 cases of endoscopic excision of advanced colonic lesions using ESD at our institution.MethodsThis was a retrospective study of all patients who underwent ESD at our institution from September 2010 to October 2016. Data collected included patient demographics, resection technique, conversion rate and morbidity.Results51 patients underwent ESD during the study period. All patients were of American Society of Anesthesiologists (ASA) class 1-3. Their median age was 60.0 years and the majority (n = 36) were male. The mean procedure time was 80.9 minutes. 36 (76.6%) of cases underwent en bloc resection. 4 (7.8%) cases required conversion to surgery, mainly due to difficulty in raising the colonic lesions. 3 (5.9%) patients had malignancy as the final histology. 2 (4.3%) patients had recurrence during surveillance scope. No cases of early mortality were reported.ConclusionOur results suggest that ESD for advanced colonic lesions can be safely performed. Expertise needs to be developed to achieve satisfactory en bloc resection rates.Copyright: © Singapore Medical Association.

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