Petrous meningioma

What is Petrous meningioma?

Petrous meningioma meaning Type of meningioma which forms on the underside of the brain. Accounting for approximately 10% of meningiomas, posterior fossa meningiomas can press on the cranial nerves, causing facial and hearing problems. Petrous meningiomas often press on the trigeminal nerve, causing a condition called trigeminal neuralgia.


reference: national Cancer Institute – Glossary for Registrars

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