CASE 168
History: A 24-year-old man presents with fever and abdominal pain and distention.
1. What should be included in the differential diagnosis of the imaging finding shown in Figure A? (Choose all that apply.)
2. What is the cause for the high-density focus within this abnormality shown in figure 2? (Hint: The plain radiograph shown in Figure C may be helpful.)
3. Why is it radiopaque?
4. What treatment may be performed by the radiologist?