Die Rolle der Dünndarmendoskopie beim Management von Patienten mit chronisch-entzündlichen Darmerkrankungen: ein internationaler OMED-ECCO-Konsensus

! Crohn ’ s disease and ulcerative colitis are lifelong diseases seen predominantly in the developed countries of the world. Whereas ulcerative colitis is a chronic inflammatory condition causing diffuse and continuous mucosal inflammation of the colon, Crohn ’ s disease is a heterogeneous entity comprised of several different phenotypes, but can affect the entire gastrointestinal tract. A change in diagnosis from Crohn ’ s disease to ulcerative colitis during the first year of illness occurs in about 10% – 15% of cases. Inflammatory bowel disease (IBD) restricted to the colon that cannot be characterized as either ulcerative colitis or Crohn ’ s