Surgical Anatomy of the Retrosigmoid Approach With Transtentorial Extension: Protecting the 4th Cranial Nerve.
Mariagrazia NizzolaEdoardo PompeoFabio TorregrossaLuciano César P C LeonelPietro MortiniMichael J LinkMaria Peris-CeldaPublished in: Operative neurosurgery (Hagerstown, Md.) (2024)
The SMT and the cerebellopontine fissure are consistently located posterior to the CN IV tentorial entry point. They can be used as surgical landmarks for RTA, reducing the risk of injury to the CN IV.