Fig. 2
From: Microsurgery for vestibular schwannoma: analysis of short-term clinical outcome

Radiological data and intraoperative photo of right VS. a Preoperative brain MRI showed large VS in the right side which compressed the brainstem. b Preoperative bone window CT scan showed the enlarged IAC. c The trigeminal nerve, facial nerve, and lower nerves were well preserved after total removal of the VS. d Facial nerve inside the IAC could be seen after drilling of the posterior wall of IAC and removal of the tumor inside. e The IAC was repaired by some muscular tissue after operation. f Brain MRI rechecked after operation showed the tumor was totally removed