CASE 112
History: A 42-year-old woman presents with a positive occult stool test.
1. What should be included in the differential diagnosis of the imaging finding shown in Figure A? (Choose all that apply.)
D. Familial adenomatous polyposis
E. Primary colonic adenocarcinoma
2. Further family history and genetic testing identify the patient is at high risk for cancer because she has hereditary nonpolyposis colorectal cancer (HNPCC) syndrome. What is another name for this syndrome?
3. Lynch syndrome is associated with an increased risk of developing other cancers. What is the most common extracolonic tumor?