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©2013 UpToDate ® Print Email Aphthoid ulcers in Crohn's disease Double contrast barium enema demonstrates small aphthoid ulcers in a patient with early Crohn's disease of the colon (arrows). Barium has collected in the superficial erosions, which are surrounded by edematous mucosa. These small erosions, less typically seen in ulcerative colitis, are the precursors of larger discrete ulcers, fistulae, and sinus tracts. Courtesy of Jonathan Kruskal, MD, PhD. Chronic Crohn's colitis Barium enema demonstrates sacculations along the medial border of the ascending colon (arrows) produced by scarring and fibrosis in a patient with Crohn's disease. Courtesy of Jonathan Kruskal, MD, PhD.
©2013 UpToDate ® Print Email Aphthoid ulcers in Crohn's disease Double contrast barium enema demonstrates small aphthoid ulcers in a patient with early Crohn's disease of the colon (arrows). Barium has collected in the superficial erosions, which are surrounded by edematous mucosa. These small erosions, less typically seen in ulcerative colitis, are the precursors of larger discrete ulcers, fistulae, and sinus tracts. Courtesy of Jonathan Kruskal, MD, PhD.