Mucosal dysplasia and DNA content in ulcerative colitis patients with ileorectal anastomosis. Follow-up study in a defined patient group.

In a follow-up study of an epidemiologically defined patient group comprising 1,274 patients with ulcerative colitis diagnosed in Stockholm County during 1955-1979, 55 patients had undergone colectomy with ileorectal anastomosis (IRA). Nine of these were found to have Crohn's disease after histopathologic review of the colectomy specimens. Of the 46… (More)