The Prague classification was presented by an international research group in 2006 (1) and has since been regarded as the standard for measuring the length

Gastroesophageal reflux disease with endoscopically identifiable lesions (erosions, stricture, Barrett’s esophagus) is defined as erosive gastroesophageal reflux disease (GERD). Fewer than 50% of patients with

The NICE (NBI International Colorectal Endoscopic) Classification is based on narrow-band images of colon polyps. The classification uses staining, vascular patterns, and surface patterns to

Early esophageal carcinoma (squamous epithelium): tips and tricks for difficult ESDs

A 46-year-old patient with short-segment Barrett’s esophagus that had been receiving monitoring since 2009, now presenting with a mucosal adenocarcinoma.

Visualization of the Z-line without enhancement and with iScan, obstructed by esophageal motility.

Fecal tests have increasingly moved on from the classic fecal occult blood test (FOBT) to fecal immunologic testing (FIT), particularly in countries with newly introduced

A new wide-angle colonoscope now provides a viewing angle of 330°, at least on one level, which represents practically a doubling in comparison with previous

There has been increasing discussion regarding quality indicators in colonoscopy, and on the ways in which what parameters should be assessed and compared using benchmarking.

It has long been known that bacterial infection can be transmitted via endoscopes. Review studies have shown that infections are still occurring and are usually

Sessile serrated adenomas (SSAs) are the latest fashion in gastroenterological endoscopy. Individual histopathological examinations have shown that there is a separate pathway to carcinoma, apparently