Retrosigmoid Approach.  Click here for slideshow for retrosigmoid approach to acoustic neuroma removal (similar to retrosigmoid approach to VNS).

Retrolabyrinthine approach.  Click here for slideshow of retrolabyrinthine approach to the VNS.

Middle Fossa approach. Click here for slideshow for middle fossa approach to acoustic neuroma removal (similar to middle fossa approach to VNS).