Journal of Korean Skull Base Society (J Korean Skull Base Soc) is an international, peer-reviewed biannually (30th May and 31th October) journal of medicine published in Korean or English. Journal of Korean Skull Base Society is the official journal of the Korean Skull Base Society (KSBS), the Korean Society of Endoscopic Neurosurgery (KOSEN), and the Korean Facial Nerve Society (KFNS) publishes original contributions valuable to the advancement of medical diagnosis and treatment. The Journal will contain editorials, review articles, original articles, and case reports. All the authors listed in the manuscript must have prepared according to the following policy and instructions in J Korean Skull Base Soc on submission of manuscript. J Korean Skull Base Soc follows the Uniform Requirements for Manuscripts Submitted to Biomedical Journals: Writing and Editing for Biomedical Publication (http://www.icmje.org/) if not otherwise described below. Any physicians or researchers throughout the world can submit a manuscript if the scope of the manuscript is appropriate. Only those manuscripts which are original, have not been published elsewhere, and are not currently being considered for inclusion in another publication will be considered for publication in J Korean Skull Base Soc