NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,260 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.
- malignant meningioma
- listen (muh-LIG-nunt meh-NIN-jee-OH-muh)
- A rare, fast-growing tumor that forms in one of the inner layers of the meninges (thin layers of tissue that cover and protect the brain and spinal cord). Malignant meningioma often spreads to other areas of the body.