CASE 150

History: A 32-year-old woman presents with abdominal pain.

1. What should be included in the differential diagnosis of the imaging finding shown in Figure A? (Choose all that apply.)

A. Mucocele of the appendix

B. Large bowel feces

C. Small bowel feces

D. Cecal volvulus

E. Abscess

2. What finding on MRI most reflects active pathologic inflammation of the bowel in Crohn’s disease?

A. Mesenteric lymphadenopathy

B. Bowel wall stratification

C. Contrast enhancement

D. Perienteric stranding

3. What is the main advantage of MRI over CT for the evaluation of Crohn’s disease?

A. Multiplanar capability

B. Contrast enhancement

C. Lack of ionizing radiation

D. Improved spatial resolution

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