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Journal of Gastroenterology
Published in: Journal of Gastroenterology 5/2019

01-05-2019 | Colorectal Cancer | Letter to the Editor

Meaningless comparison of resection depth between cold snare polypectomy and endoscopic mucosal resection

Authors: Mitsunobu Matsushita, Akiyoshi Nishio, Kazuichi Okazaki

Published in: Journal of Gastroenterology | Issue 5/2019

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Excerpt

We read with interest the article by Ito et al. [1] on the resection depth and layer of cold snare polypectomy (CSP) versus endoscopic mucosal resection (EMR). They clarified histopathological features of CSP specimens compared with EMR specimens. Among 193 completely resected specimens, the median resection depth from the muscularis mucosae in CSP vs. EMR was 76 vs. 338 μm (p < 0.001), and resection layer was the submucosa in 7/79 (9%) vs. 105/114 (92%) (p < 0.001). Although they concluded that CSP was a significant risk factor for unevaluable/positive vertical margin, we believe that the resection depth measurement would be meaningless for mucosal lesions in EMR specimens. …
Literature
1.
Ito A, Suga T, Ota H, et al. Resection depth and layer of cold snare polypectomy versus endoscopic mucosal resection. J Gastroenterol. 2018;53:1171–8.CrossRefPubMed
2.
Suzuki S, Gotoda T, Kusano C, et al. Width and depth of resection for small colorectal polyps: hot versus cold snare polypectomy. Gastrointest Endosc. 2018;87:1095–103.CrossRefPubMed
3.
Hirose R, Yoshida N, Murakami T, et al. Histopathological analysis of cold snare polypectomy and its indication for colorectal polyps 10–14 mm in diameter. Dig Endosc. 2017;29:594–601.CrossRefPubMed
4.
Horiuchi A, Hosoi K, Kajiyama M, et al. Prospective, randomized comparison of 2 methods of cold snare polypectomy for small colorectal polyps. Gastrointest Endosc. 2015;82:686–92.CrossRef
5.
Ishiguro A, Uno Y, Ishiguro Y, et al. Correlation of lifting versus non-lifting and microscopic depth of invasion in early colorectal cancer. Gastrointest Endosc. 1999;50:329–33.CrossRefPubMed
Metadata
Title
Meaningless comparison of resection depth between cold snare polypectomy and endoscopic mucosal resection
Authors
Mitsunobu Matsushita
Akiyoshi Nishio
Kazuichi Okazaki
Publication date
01-05-2019
Publisher
Springer Japan
Published in
Journal of Gastroenterology / Issue 5/2019
Print ISSN: 0944-1174
Electronic ISSN: 1435-5922
DOI
https://doi.org/10.1007/s00535-019-01567-9

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