One complication that occurs in approximately 10%of patients is the development of a colonic stricture. Some of thesestrictures dilate over weeks or months, while others result inobstructive ...

The two x-ray films reproduced show long strictures of the colon, a point perhaps of some importance. I should like to ask if there may be different types of strictures in this disease.

80%), and followed by the transverse colon (n = 2, 13%) and the benign stricture site of ileorectal anastomosis (n = 1, 7%). Of these patients, three (20%) had concomitant colorectal cancer.