NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,176 terms related to cancer and medicine.
We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.
- pineal region tumor
- listen (PIH-nee-ul REE-jun TOO-mer)
- A type of brain tumor that forms in or around the pineal gland (a tiny organ near the center of the brain). Pineal region tumors may be benign (not cancer) or malignant (cancer). They include pineocytomas, pineoblastomas, and pineal germinomas. Also called pinealoma.