![](https://webarchive.library.unt.edu/eot2008/20081103151148im_/http://www.cancer.gov/images/spacer.gif) |
|
(I-let sel TOO-mer)
![](https://webarchive.library.unt.edu/eot2008/20081103151148im_/http://www.cancer.gov/images/spacer.gif)
| A mass of abnormal cells that forms in the endocrine (hormone-producing) tissues of the pancreas. Islet cell tumors may be benign (noncancer) or malignant (cancerous). |
Previous Definitions: | ISIS 2503, ISIS 3521, ISIS 5132, islet cell, islet cell carcinoma | Next Definitions: | islet of Langerhans cell, isoflavone, isointense, isolated hepatic perfusion, isolated limb infusion |
|
![](https://webarchive.library.unt.edu/eot2008/20081103151148im_/http://www.cancer.gov/images/spacer.gif) |