Petrous Apex Meningioma, also known as meningioma of the petrous ridge, is related to neurilemmoma and neurofibromatosis, and has symptoms including headache and seizures. An important gene associated with Petrous Apex Meningioma is EPB41L2 (Erythrocyte Membrane Protein Band 4.1 Like 2), and among its related pathways/superpathways are Signal Transduction and Focal adhesion. Related phenotypes are Decreased viability and normal