A global consensus report on fistulising peri-anal Crohn's disease The World Congress of Gastroenterology 2013, held in Shanghai, called for the development of state-of-the-art, evidence based views for designated areas of gastroenterology. An expert consensus group was formed and developed a consensus on the classification, diagnosis and multidisciplinary treatment of perianal fistulising Crohn's disease (pCD), based on best available evidence (see page 1381). The group carried out a systematic literature review; statements were formed, discussed and approved in multiple rounds. Consensus was defined as at least 80% agreement among voters. Evidence was assessed using the modified GRADE (Grading of Recommendations Assessment, Development, and Evaluation) criteria. Based on a multidisciplinary approach, items relevant for fistula management were identified and algorithms on diagnosis (see figure 1) and treatment of pCD were developed. This is an important document that is relevant to all clinicians involved in managing Crohn's...]]>