An Incidental Mass Found in the Terminal Ileum

Test your knowledge of this GI finding with questions on diagnosis, laboratory screening, and removal.

Carcinoid tumor of the terminal ileum


A 50-year-old woman presents for a screening colonoscopy. During the examination, the terminal ileum is intubated and a circumferential mass measuring 1.3 cm is incidentally noted (Figure). A biopsy of the mass was taken and results of immunohistochemical staining were positive for chromogranin.


1. What is your diagnosis?

2. What laboratory test can you order to screen for such tumors?

3. How should this mass be removed, endoscopically or surgically?


Please leave thoughts/comments below.

For answers and discussion, CLICK HERE.

© 2023 MJH Life Sciences

All rights reserved.