Transcochlear approach to the petrous apex and clivus.
D002530:Cerebellopontine Angle / Q000601:surgery*; D002781:Cholesteatoma / Q000601:surgery; D003051:Cochlea / Q000601:surgery*; D004428:Ear Neoplasms / Q000601:surgery; D007758:Ear, Inner / Q000601:surgery; D006801:Humans; D008579:Meningioma / Q000601:surgery; D008722:Methods; D010579:Petrous Bone / Q000601:surgery*; D011183:Postoperative Complications / Q000209:etiology; D012888:Skull Neoplasms / Q000601:surgery*; D013100:Sphenoid Bone / Q000601:surgery*; D013701:Temporal Bone / Q000601:surgery