Ulcerative colitis. Double-contrast barium enema image shows numerous contrast-filled superficial ulcerations (arrows) with loss of normal colonic haustrations. Source: State-of-the-Art Imaging of the Gastrointestinal System, CURRENT Diagnosis & Treatment: Gastroenterology, Hepatology, & Endoscopy, 3e Citation: Greenberger NJ, Blumberg RS, Burakoff R. CURRENT Diagnosis & Treatment: Gastroenterology, Hepatology, & Endoscopy, 3e; 2016 Available at: https://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/1621/gre_ch9_f019.png&sec=105182529&BookID=1621&ChapterSecID=105182395&imagename= Accessed: November 03, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved