Colonoscopic and histologic features of colonic Crohn's disease in Chinese patients.

Objective: An attempt was made to provide a better insight into endoscopic and histological features and to enhance the understanding of the diagnostic value of colonoscopy combined with biopsy for colonic Crohn's disease.

Methods: As presented in our 27 cases of colonic Crohn's disease (Crohn's colitis), the endoscopic findings and histological changes of biopsy specimens were analyzed. As collated with correspondent results of biopsy and surgical specimens, the diagnostic accuracy of endoscopy was evaluated.