Hellow guys, Welcome to Utubetrends, and you are watching ENDOSCOPIC OCCIPITAL TRANSTENTORIAL EXCISION OF PINEAL YOLK SAC TUMOR - PROF. MOTOKI TANIKAWA. and this vIdeo is uploaded by ACNS at 2019-09-06T23:08:31-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.