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Background: Adenoma detection rate and interval colon cancer rates are associated with bowel preparation quality. The US Multisociety Task Force recommends repeat colonoscopy for individuals with inadequate bowel preparation (IBP) within 1 year. However, little is known regarding the rate and associated factors of repeat colonoscopy after IBP.

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Synthesized colonoscopy dataset from high-fidelity virtual colon with abnormal simulation.

Comput Biol Med

January 2025

State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin, 150080, China. Electronic address:

With the advent of the deep learning-based colonoscopy system, the need for a vast amount of high-quality colonoscopy image datasets for training is crucial. However, the generalization ability of deep learning models is challenged by the limited availability of colonoscopy images due to regulatory restrictions and privacy concerns. In this paper, we propose a method for rendering high-fidelity 3D colon models and synthesizing diversified colonoscopy images with abnormalities such as polyps, bleeding, and ulcers, which can be used to train deep learning models.

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Accurate size measurement of colorectal polyps is critical for clinical decision making and patient management. This systematic review aimed to evaluate the current techniques used for colonic polyp measurement to improve the reliability of size estimations in routine practice.A comprehensive literature search was conducted across PubMed, EMBASE, and MEDLINE to identify studies relevant to size measurement techniques published between 1980 and March 2024.

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Background: The aim of this Delphi study was to reach consensus on a new clinical decision tool to help identify or exclude Crohn's disease (CD) in patients with perianal fistula(s) (PAF).

Methods: A panel of international experts in the field of proctology/Inflammatory Bowel Disease (IBD) were invited to participate. In the first round (electronic survey), participants were asked to anonymously provide their opinion probing 1) the relevance and use of clinical characteristics suggestive of underlying CD, 2) the use of faecal calprotectin (FCP) for screening for CD and 3) on the diagnostic work-up for CD in PAF patients with raised clinical suspicion.

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