Microsurgical Anatomy of the Endoscopy-Assisted Retrosigmoid Intradural Suprameatal Approach to the Meckel's Cave.
Yuanzhi XuBenjamin K HendricksMaximiliano Alberto NunezAhmed MohyeldinJuan C Fernandez-MirandaAaron A Cohen-GadolPublished in: Operative neurosurgery (Hagerstown, Md.) (2021)
The RISA is suitable mainly for lesions in the posterior fossa that extend into Meckel's cave. The endoscopy-assisted reach optimizes accessibility to the petrous apex region, obviates the need for extensive drilling, and decreases the risk of internal carotid artery injury. Better realization and recognition of microsurgical landmarks and parameters of this approach are crucial for successful outcomes.