CASE 185

History: A 75-year-old man presents with bright rectal bleeding. Colonoscopy had failed because of an obstructive bowel deformity at the splenic flexure.

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

A. Traumatic diaphragmatic hernia

B. Bochdalek’s hernia

C. Morgagni’s hernia

D. Richter’s hernia

E. Littre’s hernia

2. What is the most common congenital hernia in the diaphragm?

A. Diaphragmatic eventration

B. Bochdalek’s hernia

C. Morgagni’s hernia

D. Petit hernia

3. Which of the following statements regarding traumatic diaphragmatic hernias is true?

A. Penetrating diaphragmatic injury more commonly occurs on the left side.

B. Iatrogenic diaphragmatic injury is most commonly associated with cardiac surgery.

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