What is atrt tumor?

What is atrt tumor?

Also called: ATRT. Atypical teratoid rhabdoid tumor (ATRT) is a rare and fast-growing cancerous tumor of the brain and spinal cord. About half of these tumors begin in the cerebellum or brain stem: The cerebellum, located at the base of the brain, controls movement, balance and posture.

What is atypical meningioma of the brain?

A meningioma is a tumor that forms on membranes that cover the brain and spinal cord just inside the skull. Specifically, the tumor forms on the three layers of membranes that are called meninges. These tumors are often slow-growing. As many as 90% are benign (not cancerous). Most meningiomas occur in the brain.

What is an atypical meningioma?

Atypical meningioma refers to a more aggressive form of meningioma and denotes a WHO grade II tumor (along with two histological variants, clear cell meningioma and chordoid meningioma).