148

CASE 148

History: A 72-year-old woman presents with abdominal distention and pain and tenderness in the right upper quadrant.

1. What should be included in the differential diagnosis of the imaging finding of the right lower quadrant calcification relevant to the abnormal appearance of the bowel shown in Figure A? (Choose all that apply.)

E. Mesenteric lymph node calcification

2. There are three radiographic features associated with gallstone ileus: an ectopic gallstone in the bowel, small bowel obstruction, and gas in the biliary system. What is the eponym for these signs?

A. Rigler’s triad

B. Courvoisier’s sign

C. Mirizzi’s syndrome

D. Bouveret’s syndrome

3. In gallstone ileus, where does the stone most often impact itself?

A. Pylorus

B. Terminal ileum

C. Ligament of Treitz

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