CASE 79

History: An 86-year-old woman presents with nausea and vomiting for 2 weeks.

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

A. Gastroparesis

B. Pyloric spasm

C. Portal gastropathy

D. Gastric antral malignancy

E. Proximal duodenal scarring

2. What is the most common cause of gastric outlet obstruction?

A. Malignancy

B. Pancreatitis

C. Crohn’s disease

D. Peptic ulcer disease

3. Which malignancy is most likely to cause gastric outlet obstruction?

A. Gastric adenocarcinoma

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