Accepted Manuscript The tonsillouvular fissure approach: access to dorsal and lateral aspects of the fourth ventricle Ilhan Aydin, M.D., Sahin Hanalioglu, M.D., Ph.D., Halil Olgun Peker, M.D., Yahya Turan, M.D., Hakan Kina, M.D., Ulas Cikla, M.D., Mustafa K. Baskaya, M.D. PII: S1878-8750(18)30639-9 DOI: 10.1016/j.wneu.2018.03.157 Reference: WNEU 7769 To appear in: World Neurosurgery Received Date: 14 January 2018 Accepted Date: 22 March 2018 Please cite this article as: Aydin I, Hanalioglu S, Peker HO, Turan Y, Kina H, Cikla U, Baskaya MK, The tonsillouvular fissure approach: access to dorsal and lateral aspects of the fourth ventricle, World Neurosurgery (2018), doi: 10.1016/j.wneu.2018.03.157. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.