This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. Embed Code Restart Playing WATCH MORE VIDEOS FROM THIS EPISODE > Neurosurgeon Dr. Hrayr Shahinian of the Skull Base Institute explains an innovative endoscopic technique that uses fiberoptic technology and hi-def imaging to suction out brain tumors. ShareTweet