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O’Sullivan T, Bourke MJ. Endoscopic Resection of Neoplasia in the Lower GI Tract: A Clinical Algorithm. Visc Med 2024; 40:217-227. [PMID: 39157731 PMCID: PMC11326768 DOI: 10.1159/000539219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Accepted: 05/03/2024] [Indexed: 08/20/2024] Open
Abstract
Background Colorectal cancer is a highly prevalent malignancy and a significant driver of cancer mortality and health-related expenditure worldwide. Polyp removal reduces the incidence and mortality of colorectal cancer. In 2024, endoscopists have an array of resection modalities at their disposal. Each technique requires a unique skillset and has individual advantages and limitations. Consequently, resection in the colorectum requires an evidence-based algorithm approach that considers these factors. Summary A literature review of endoscopic resection for colonic neoplasia was conducted. Best supporting scientific evidence was summarized for the endoscopic resection of diminutive polyps, large ≥20 mm lesions and polyps containing invasive cancer. Factors including resection modality, complications and lesion selection were explored to inform an algorithm approach to colorectal resection. Key Messages Endoscopic resection in the colorectum is not a one-size-fits-all approach. Detailed understanding of polyp size, location, morphology and predicted histology are critical factors that inform appropriate endoscopic resection practice.
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Affiliation(s)
- Timothy O’Sullivan
- Department of Gastroenterology and Hepatology, Westmead Hospital, Sydney, NSW, Australia
- University of Sydney, Westmead Clinical School, Westmead, NSW, Australia
| | - Michael J. Bourke
- Department of Gastroenterology and Hepatology, Westmead Hospital, Sydney, NSW, Australia
- University of Sydney, Westmead Clinical School, Westmead, NSW, Australia
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Mandarino FV, Danese S, Uraoka T, Parra-Blanco A, Maeda Y, Saito Y, Kudo SE, Bourke MJ, Iacucci M. Precision endoscopy in colorectal polyps' characterization and planning of endoscopic therapy. Dig Endosc 2024; 36:761-777. [PMID: 37988279 DOI: 10.1111/den.14727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 11/19/2023] [Indexed: 11/23/2023]
Abstract
Precision endoscopy in the management of colorectal polyps and early colorectal cancer has emerged as the standard of care. It includes optical characterization of polyps and estimation of submucosal invasion depth of large nonpedunculated colorectal polyps to select the appropriate endoscopic resection modality. Over time, several imaging modalities have been implemented in endoscopic practice to improve optical performance. Among these, image-enhanced endoscopy systems and magnification endoscopy represent now well-established tools. New advanced technologies, such as endocytoscopy and confocal laser endomicroscopy, have recently shown promising results in predicting the histology of colorectal polyps. In recent years, artificial intelligence has continued to enhance endoscopic performance in the characterization of colorectal polyps, overcoming the limitations of other imaging modes. In this review we retrace the path of precision endoscopy, analyzing the yield of various endoscopic imaging techniques in personalizing management of colorectal polyps and early colorectal cancer.
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Affiliation(s)
- Francesco Vito Mandarino
- Department of Gastroenterology and Gastrointestinal Endoscopy, San Raffaele Hospital IRCSS, Milan, Italy
- Department of Gastrointestinal Endoscopy, Westmead Hospital, Sydney, NSW, Australia
| | - Silvio Danese
- Department of Gastroenterology and Gastrointestinal Endoscopy, San Raffaele Hospital IRCSS, Milan, Italy
| | - Toshio Uraoka
- Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Gumma, Japan
| | - Adolfo Parra-Blanco
- NIHR Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, UK
| | - Yasuharu Maeda
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Yutaka Saito
- Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Shin-Ei Kudo
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Michael J Bourke
- Department of Gastrointestinal Endoscopy, Westmead Hospital, Sydney, NSW, Australia
| | - Marietta Iacucci
- Department of Gastroenterology, University College Cork, Cork, Ireland
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Michielan A, Crispino F, de Pretis N, Sartori C, Decarli NL, de Pretis G, Merola E. Cap-assisted endoscopic mucosal resection as a salvage technique for challenging colorectal laterally spreading tumors. Surg Endosc 2023; 37:7859-7866. [PMID: 37626237 DOI: 10.1007/s00464-023-10347-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Accepted: 07/30/2023] [Indexed: 08/27/2023]
Abstract
BACKGROUND Cap-assisted endoscopic mucosal resection (EMR-c) has emerged as a potential alternative to standard piecemeal wide-field EMR (WF-EMR) for the resection of laterally spreading tumors (LSTs). However, clear indications for this technique are still lacking. Our objective was to investigate the performance of salvage EMR-c after WF-EMR failure in the resection of large colorectal LSTs. METHODS The data of consecutive patients undergoing WF-EMR for large colorectal LSTs (2015-2021) were analyzed in this single-center, retrospective, observational study. In the event of a WF-EMR failure, the procedure was switched to EMR-c in the same session. The efficacy of the two techniques was evaluated in terms of complete endoscopic resection, R0 resection, and recurrence rate. Safety was also assessed. RESULTS Overall, the data from 81 WF-EMRs were collected. Eighteen cases of WF-EMR failure were switched to EMR-c in the same session and complete endoscopic resection was achieved in 17/18 patients (94.4%). No statistically significant difference was observed between WF-EMR and salvage EMR-c in terms of macroscopic radicality (P = 0.40) and R0 resection (P = 0.12). However, recurrence was more common with EMR-c (44.4% vs. 23.5%; P = 0.05), as were adverse events, particularly intraprocedural bleeding (27.8% vs. 7.9%; P = 0.04). CONCLUSION EMR-c is an effective salvage technique for challenging colorectal LSTs following WF-EMR failure. Due to the elevated risk of adverse events associated with this procedure, careful patient selection, endoscopic expertise, and close follow-up are strongly recommended.
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Affiliation(s)
- Andrea Michielan
- Gastroenterology and Digestive Endoscopy Unit, Department of Surgery, Santa Chiara Hospital, Largo Medaglie D'Oro 9, 38122, Trento, Italy
| | - Federica Crispino
- Gastroenterology and Digestive Endoscopy Unit, Department of Surgery, Santa Chiara Hospital, Largo Medaglie D'Oro 9, 38122, Trento, Italy
- Gastroenterology and Hepatology Section, PROMISE, University of Palermo, Palermo, Italy
| | - Nicolò de Pretis
- Gastroenterology and Digestive Endoscopy Unit, Department of Surgery, Santa Chiara Hospital, Largo Medaglie D'Oro 9, 38122, Trento, Italy
- Gastroenterology B Unit, Department of Medicine, The Pancreas Institute, University and Hospital Trust of Verona, P.le L.A. Scuro 10, 37134, Verona, Italy
| | - Chiara Sartori
- Surgical Pathology Unit, Department of Laboratory Medicine, Santa Chiara Hospital, Largo Medaglie D'Oro 9, 38122, Trento, Italy
| | - Nicola Libertà Decarli
- Surgical Pathology Unit, Department of Laboratory Medicine, Santa Chiara Hospital, Largo Medaglie D'Oro 9, 38122, Trento, Italy
- Pathology Unit, San Giovanni di Dio Hospital, Via Torregalli, 3, 50143, Florence, Italy
| | - Giovanni de Pretis
- Gastroenterology and Digestive Endoscopy Unit, Department of Surgery, Santa Chiara Hospital, Largo Medaglie D'Oro 9, 38122, Trento, Italy
| | - Elettra Merola
- Gastroenterology and Digestive Endoscopy Unit, Department of Surgery, Santa Chiara Hospital, Largo Medaglie D'Oro 9, 38122, Trento, Italy.
- Gastroenterology Unit, G.B. Grassi Hospital (ASL Roma 3), Rome, Italy.
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Esaki M, Yamakawa S, Ichijima R, Suzuki S, Kusano C, Ikehara H, Minoda Y, Ihara E, Gotoda T. Self-completion method of endoscopic submucosal dissection using the Endosaber for treating colorectal neoplasms (with video). Sci Rep 2022; 12:5821. [PMID: 35388111 PMCID: PMC8986775 DOI: 10.1038/s41598-022-09792-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 03/29/2022] [Indexed: 11/29/2022] Open
Abstract
Endoscopic submucosal dissection (ESD) is effective for the treatment of colorectal neoplasms. We have developed a self-completion ESD (S-ESD) using Endosaber without requiring additional instruments or assistance. This prospective cohort study was conducted to investigate the feasibility of S-ESD for colorectal neoplasms. Patients with colorectal neoplasms measuring 20–40 mm in size were enrolled. A single operator, without assistance, performed ESD using only the Endosaber. The primary outcome was the success rate of S-ESD. Secondary outcomes included procedure time, the rates of en bloc, complete, and curative resection, and complication rates, including the incidence of perforation and delayed bleeding. In total, 15 patients with 15 lesions were enrolled. The median size of the resected lesions was 28 mm (interquartile range 25–29 mm). S-ESD success rate of 100% was achieved. The median procedure time was 44 min (29.5–53.5 min). We observed en bloc, complete, and curative resection rates of 100%, 93.3%, and 86.7%, respectively, and a complication rate of 6.7% (perforation: 0%, delayed bleeding: 6.7%). S-ESD for colorectal neoplasms was successfully performed with favorable treatment outcomes and low complication rates. S-ESD reduces the number of devices and extent of assistance, making S-ESD a simple and cost-effective procedure.
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Affiliation(s)
- Mitsuru Esaki
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, 1-6 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-0062, Japan. .,Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.
| | - Shun Yamakawa
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, 1-6 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-0062, Japan
| | - Ryoji Ichijima
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, 1-6 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-0062, Japan
| | - Sho Suzuki
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, 1-6 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-0062, Japan
| | - Chika Kusano
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, 1-6 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-0062, Japan.,Department of Gastroenterology, Kitasato University School of Medicine, 1-5-1 Kitasato, Minami-ku, Sagamihara, 252-0375, Japan
| | - Hisatomo Ikehara
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, 1-6 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-0062, Japan
| | - Yosuke Minoda
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Eikichi Ihara
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.,Department of Gastroenterology and Metabolism, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Takuji Gotoda
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, 1-6 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-0062, Japan
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Thomas-Gibson S, Choy M, Dhillon AS. How to approach endoscopic mucosal resection (EMR). Frontline Gastroenterol 2020; 12:508-514. [PMID: 34712469 PMCID: PMC8515477 DOI: 10.1136/flgastro-2019-101357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 04/22/2020] [Accepted: 05/04/2020] [Indexed: 02/04/2023] Open
Affiliation(s)
| | - Matthew Choy
- Wolfson Unit for Endoscopy, St Mark's Hospital, Harrow, London, UK,Department of Medicine, Austin Academic Centre, University of Melbourne, Melbourne, Victoria, Australia
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