title: Longitudinal sinus tracts in granulomatous colitis and diverticulitis.
mesh_terms: D003092:Colitis / Q000000981:diagnostic imaging*; D004239:Diverticulitis, Colonic / Q000000981:diagnostic imaging*; D006099:Granuloma / Q000000981:diagnostic imaging*; D006801:Humans; D011859:Radiography