Fig. 5

Male patient 43 years old presented with fever, right iliac fossa pain, and chronic watery diarrhea. Coronal reformatted CT enterography image (a), axial CT enterography images (b and c) show circumferential mural thickening and hyper-enhancement of the cecum and the ascending colon, tri-laminar mural stratification could be noticed (image c) (blue arrow). Marked smudging of surrounding fat planes with extension of inflammatory process to surrounding structures is detected with associated abscess formation. Notice the swollen edematous ilio-psoas muscle being inseparable from inflamed adjacent bowel segments with multiple enlarged enhancing regional lymph nodes (images a and b) (white arrows). Endoscopy and biopsy revealed active Crohn’s disease