In the 17 cases in which there was diffuse involvement of the terminal part of the ileum, the average length of ileum affected was 20 cm., the shortest being 4 cm. and the longest 45 cm.

Background and Aim: Since the diagnostic value of ileoscopy is not well documented, it is uncertain if terminal ileum intubation should be performed routinely in patients undergoing colonoscopy.

Even though the rate depends on the experience and skill of endoscopists, the above value is similar to reported in other studies In conclusion, terminal ileum intubation during colonoscopy may ...