Background and study aims: Local recurrence has been observed after endoscopic mucosal
resection (EMR) of nonpedunculated colorectal lesions. The indications for follow-up …

Chronic gastrointestinal ischaemia (CGI) is generally considered to be a rare disease entity.
The majority of patients with CGI are only diagnosed after a long period of slowly …

Up to a quarter of polyps and adenomas are missed during colonoscopy due to poor
visualization behind folds and the inner curves of flexures, and the presence of flat lesions …

1 ESGE recommends endoscopic ultrasonography (EUS) as the best tool to characterize
subepithelial lesion (SEL) features (size, location, originating layer, echogenicity, shape) …

Background Although colonoscopy is the accepted standard for detection of colorectal
adenomas and cancers, many adenomas and some cancers are missed. To avoid interval …

Background & Aims Deep submucosal invasion (DSI) is considered a key risk factor for
lymph node metastasis (LNM) and important criterion to recommend surgery in T1 colorectal …

Background Adequate bowel preparation is important for optimal colonoscopy. It is important
to identify patients at risk for inadequate bowel preparation because this allows taking …

Background The risk of lymph node metastasis associated with deep submucosal invasion
should be balanced against the mortality and morbidity of total mesorectal excision (TME) …

Background and study aims: Adenoma miss rate during colonoscopy has become a widely
acknowledged proxy measure for post-colonoscopy colorectal cancer. Among other …

Background & Aims Most patients with pedunculated T1 colorectal tumors referred for
surgery are not found to have lymph node metastases, and were therefore unnecessarily …