“…However, these above cases are different from the surgery presented in this video. 15 The authors here showed us a very difficult case of vestibular schwannoma using the retrosigmoid approach with a high jugular bulb. They safely exposed the jugular bulb overlying the IAC using a high-speed drill and made proper displacement of jugular bulb by using a cottonoid patty, bone wax, and rubber sheet.…”