Right biopsy protocol for microscopic colitis: Reduced workload and carbon footprint while maintaining diagnostic accuracy

doi:10.4292/wjgpt.v17.i2.113874

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World Journal of Gastrointestinal Pharmacology and Therapeutics

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2150-5349

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Cohort Study

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastrointest Pharmacol Ther. Jun 5, 2026; 17(2): 113874
Published online Jun 5, 2026. doi: 10.4292/wjgpt.v17.i2.113874

Table 5 Diagnostic yield by location, calculated per set of biopsies from each site, among colonoscopies with at least one container identified from the right colon and one container identified from the left colon (excluding the rectum) (n = 136)

Location of biopsy set	Diagnostic yield
Right colon	136/136 (100% 95%CI: 97-100)
Left colon	123/136 (90% 95%CI: 84-94)

CI: Confidence interval.

Full Size Table

Citation: Leung E, Alshareefy Y, Costigan C, Sihag S, Delaney S, O’Donnell S, Breslin N, O’Connor A, Ryan B, Zaheer A, Cretu I, O’Hara F, McNamara D. Right biopsy protocol for microscopic colitis: Reduced workload and carbon footprint while maintaining diagnostic accuracy. World J Gastrointest Pharmacol Ther 2026; 17(2): 113874
URL: https://www.wjgnet.com/2150-5349/full/v17/i2/113874.htm
DOI: https://dx.doi.org/10.4292/wjgpt.v17.i2.113874

Leung E, Alshareefy Y, Costigan C, Sihag S, Delaney S, O’Donnell S, Breslin N, O’Connor A, Ryan B, Zaheer A, Cretu I, O’Hara F, McNamara D. Right biopsy protocol for microscopic colitis: Reduced workload and carbon footprint while maintaining diagnostic accuracy. World J Gastrointest Pharmacol Ther 2026; 17(2): 113874 [PMID: 42273242 DOI: 10.4292/wjgpt.v17.i2.113874]

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