Presentation
Three days history of right flank pain.
Patient Data
Circumferential mural thickening of the ascending colon extending to the hepatic flexure with small diverticula arising from the posterior aspect of the ascending colon. Mucosal hyperenhancement with pericolic fat stranding and thickening of the parietal peritoneum. No adjacent extra-luminal gas or perisigmoid abscess seen. No evidence of underlying neoplasm.
Annotated images: the green arrow indicates the colonic diverticulum.
Case Discussion
CT features of colonic diverticulitis with no perforation or perisigmoid abscess formation, stage Ia according to Hinchey classification of acute diverticulitis.