CASE 160
History: A 54-year-old woman presents with intermittent nausea, vomiting, and diarrhea.
1. What should be included in the differential diagnosis of the imaging finding shown in the figure? (Choose all that apply.)
2. In patients with Crohn’s disease, what area of the stomach is most commonly involved?
3. When Crohn’s disease is long-standing, the antrum and duodenum become a featureless rigid tube. What is the name given to this sign?