Third European Evidence-based Consensus on Diagnosis and Management of Ulcerative Colitis. Part 1: Definitions, Diagnosis, Extra-intestinal Manifestations, Pregnancy, Cancer Surveillance, Surgery, and Ileo-anal Pouch Disorders

Abstract

This is the third European Crohn’s and Colitis Organisation [ECCO] consensus guideline that addresses ulcerative colitis [UC]. It has been drafted by 28 ECCO members from 14 European countries. It is derived from and updates the previous ECCO consensus advice on UC.^1–3 All the authors recognise and are grateful to previous ECCO members who contributed to creating the previous consensus guidelines^1–6 on which some of the text is based. Attention is also drawn to other ECCO consensus guidelines which have contributed to this endeavour, on extra-intestinal manifestations [EIMs],⁷ malignancy,⁸ imaging,⁹ small bowel endoscopy,¹⁰ opportunistic infections [OIs],¹¹ surgery,¹² endoscopy,¹³ pathology,¹⁴ anaemia,¹⁵ reproduction and pregnancy,¹⁶ and paediatric UC.¹⁷