Petrous Apex Meningioma

**Semantic type:** Neoplastic Process

**Definition:** A meningioma that affects the petrous apex.

**Synonyms:** - Meningioma of Petrous Apex - Meningioma of Petrous Ridge - Meningioma of the Petrous Apex - Meningioma of the Petrous Ridge - Petrous Ridge Meningioma