1)Brain Tumor Registry of Japan(2005-2008). Neurol Med Chir(Tokyo)57(Suppl 1):9-102, 2017
2)Yamazawa E, et al:MRI-based radiomics differentiates skull base chordoma and chondrosarcoma:a preliminary study. Cancers(Basel)14:3264, 2022 doi:10.3390/cancers14133264
3)Hasegawa H, et al:Revisitation of imaging features of skull base chondrosarcoma in comparison to chordoma. J Neurooncol 159:581-590, 2022
4)Shin M, et al:Endoscopic transnasal interseptal approach for invasive clival tumors:development of an approach method regarding maximal preservation of the nasal anatomy. Neurol Med Chir(Tokyo)55:336-344, 2015
5)Shin M, et al:Endoscopic transsphenoidal anterior petrosal approach for locally aggressive tumors involving the internal auditory canal, jugular fossa, and cavernous sinus. J Neurosurg 126:212-221, 2017
6)Hasegawa H, et al:Reconstruction of dural defects in endoscopic transnasal approaches for intradural lesions using multilayered fascia with a pressure-control spinal drainage system. World Neurosurg 114:e1316-e1324, 2018 doi:10.1016/j.wneu.2018.03.209
7)Ishigami D, et al:Stent-assisted coil embolization of a basilar artery dissecting aneurysm involved in skull base chordoma before endoscopic transsphenoidal transclival resection. World Neurosurg 143:466-470, 2020
8)Shinya Y, et al:High dose radiosurgery targeting the primary tumor sites contributes to survival in patients with skull base chordoma. Int J Radiat Oncol Biol Phys 113:582-587, 2022
9)Iannalfi A, et al:Proton and carbon ion radiotherapy in skull base chordomas:a prospective study based on a dual particle and a patient-customized treatment strategy. Neuro Oncol 22:1348-1358, 2020
10)Takagi M, et al:Treatment outcomes of proton or carbon ion therapy for skull base chordoma:a retrospective study. Radiat Oncol 13:232, 2018 doi:10.1186/s13014-018-1173-0