CASE 21

History: A 77-year-old woman had undergone transvaginal uterine polypectomy 2 days ago. She complains of nausea, syncope, and hematochezia.

1. Which of the following should be included in the differential diagnosis of the imaging findings shown? (Choose all that apply.)

A. Crohn’s colitis

B. Pseudomembranous colitis

C. Colon carcinoma

D. Hemorrhage

E. Lymphoma

2. What is the most likely diagnosis in this case?

A. Typhlitis

B. Radiation

C. Diverticulitis

D. Ischemia

3. All of the following CT findings may be associated with ischemic colitis except:

A. Pneumatosis

B. Hemorrhage

C. Fistula

D. Edema

4

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