GI ToolsGastroenterology and hepatology

Prague C and M criteria

Measure from the gastro-oesophageal junction (the top of the gastric folds): C is the circumferential extent and M the maximum extent of columnar-lined oesophagus, in centimetres. Islands are not included.

Measurements
Histology

Enter the values above.

Related resources: Reflux

References

Sharma P, Dent J, Armstrong D, et al. The development and validation of an endoscopic grading system for Barrett’s esophagus: the Prague C & M criteria. Gastroenterology. 2006;131(5):1392-1399.

Weusten BLAM, Bisschops R, Dinis-Ribeiro M, et al. Diagnosis and management of Barrett esophagus: European Society of Gastrointestinal Endoscopy (ESGE) Guideline. Endoscopy. 2023;55(12):1124-1146.