Figure 5.

 (A) T1 weighted three dimensional GRE image (TR/TE 3.1/1.1) of a 39 year old female patient with known ulcerative colitis. (B) Detailed display of the descending colon of (A). Complete loss of haustral markings, increased contrast uptake of the colonic wall, as well as bowel wall thickening were determined (arrow). (C) Axial reformatted T1 weighted image of the same patient. Multiple mesenteric lymph nodes were found (arrows). (D) Histopathology of the descending colon confirmed the diagnosis of an acute severe ulcerative colitis showing loss of haustral fold, multiple crypt abscesses, and infiltration with granulocytes.