Week 457: Case 4

1. Presented by Ralph Hruban, M.D. and prepared by Shiyama Mudali, M.D.

This patient presented with anxiety and abdominal pain. He was otherwise asymptomatic. A pancreatic mass was found and was resected. The neoplasm immunolabeled for insulin. The neoplasm had a mitotic count of 0 mitoses per 10 hpf and a Ki-67 labeling rate of 1%.