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World J Gastrointest Endosc. May 16, 2023; 15(5): 368-375
Published online May 16, 2023. doi: 10.4253/wjge.v15.i5.368
Rectal neuroendocrine tumours and the role of emerging endoscopic techniques
Eoin Keating, Gayle Bennett, Michelle A Murray, Sinead Ryan, John Aird, Donal B O'Connor, Dermot O'Toole, Conor Lahiff
Eoin Keating, Gayle Bennett, Conor Lahiff, Department of Gastroenterology, Mater Misericordiae University Hospital, Dublin 7, Ireland
Eoin Keating, Gayle Bennett, Michelle A Murray, John Aird, Conor Lahiff, School of Medicine, University College Dublin, Dublin 4, Ireland
Michelle A Murray, National Lung Transplant Unit, Mater Misericordiae University Hospital, Dublin 7, Ireland
Sinead Ryan, John Aird, Department of Pathology, Mater Misericordiae University Hospital, Dublin 7, Ireland
Donal B O'Connor, Department of Surgery, Tallaght University Hospital, Dublin 24, Ireland
Donal B O'Connor, Dermot O'Toole, School of Medicine, Trinity College Dublin, Dublin 2, Ireland
Dermot O'Toole, Department of Clinical Medicine and Gastroenterology, St. James Hospital, Dublin 8, Ireland
Author contributions: Keating E designed and drafted the original manuscript and reviewed all subsequent and final drafts. Ryan S and Aird J, curated the pathological specimen and provided pathological comment. Bennett G, Murray. M, O’Connor D and O’Toole D reviewed the draft and final manuscripts. Lahiff C designed and reviewed the original manuscript and all subsequent drafts, including the final draft.
Conflict-of-interest statement: The authors declare no conflict of interests for this mini-review article.
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Eoin Keating, MBChB, MRCP, Doctor, Department of Gastroenterology, Mater Misericordiae University Hospital, Eccles Street, Dublin 7, Ireland. eoinkeating@mater.ie
Received: February 3, 2023
Peer-review started: February 3, 2023
First decision: March 15, 2023
Revised: March 23, 2023
Accepted: April 21, 2023
Article in press: April 21, 2023
Published online: May 16, 2023
Core Tip

Core Tip: Rectal neuroendocrine tumours (r-NETs) are increasingly detected during colorectal screening. Endoscopists may not accurately distinguish r-NETs from other polyps and inadvertent resection attempts result in significant post resection challenges. r-NETs have an unpredictable metastasis pattern, requiring appropriate pre-resection assessment. Accurate endoscopic assessment and resection provides an effective option in the management of r-NETs.