Intradural lumbar radicular arteriovenous malformation mimicking perimedullary arteriovenous malformation of the conus medullaris: illustrative case

por Koyanagi, Izumi, Chiba, Yasuhiro, Imamura, Hiroyuki, Osanai, Toshiya
Publicado 2021

Secondary Chiari malformation due to enlarged spinal arachnoid villi–like structure: illustrative case

por Koyanagi, Izumi, Chiba, Yasuhiro, Imamura, Hiroyuki, Yoshino, Masami, Aida, Toshimitsu
Publicado 2021

Surgical Outcomes of High-Grade Spinal Cord Gliomas

por Seki, Toshitaka, Hida, Kazutoshi, Yano, Syunsuke, Aoyama, Takeshi, Koyanagi, Izumi, Houkin, Kiyohiro
Publicado 2015

Double Crush of L5 Spinal Nerve Root due to L4/5 Lateral Recess Stenosis and Bony Spur Formation of Lumbosacral Transitional Vertebra Pseudoarticulation: A Case Report and Review

por Iwasaki, Motoyuki, Akiyama, Masahiko, Koyanagi, Izumi, Niiya, Yoshimasa, Ihara, Tatsuo, Houkin, Kiyohiro
Publicado 2017

Pathophysiology and surgical treatment of spinal adhesive arachnoid pathology: patient series

por Koyanagi, Izumi, Chiba, Yasuhiro, Uemori, Genki, Imamura, Hiroyuki, Yoshino, Masami, Aida, Toshimitsu
Publicado 2021

Surgical Outcome of Children and Adolescents with Tethered Cord Syndrome

por Seki, Toshitaka, Hida, Kazutoshi, Yano, Shunsuke, Sasamori, Toru, Hamauch, Shuji, Koyanagi, Izumi, Houkin, Kiyohiro
Publicado 2016

Clinical Factors for Prognosis and Treatment Guidance of Spinal Cord Astrocytoma

por Seki, Toshitaka, Hida, Kazutoshi, Yano, Shunsuke, Aoyama, Takeshi, Koyanagi, Izumi, Sasamori, Toru, Hamauch, Shuji, Houkin, Kiyohiro
Publicado 2016

Safety and Validity of Anterior Cervical Disc Replacement for Single-level Cervical Disc Disease: Initial Two-year Follow-up of the Prospective Observational Post-marketing Surveil...

por TAKAMI, Toshihiro, HARA, Takeshi, HARA, Masahito, INUI, Toshihiko, ITO, Kiyoshi, KOYANAGI, Izumi, MIZUNO, Junichi, MIZUNO, Masaki, NAKASE, Hiroyuki, SHIMOKAWA, Nobuyuki, SUGAWARA, Taku, SUZUKI, Shinsuke, TAKAHASHI, Toshiyuki, TAKAYASU, Masakazu, TANI, Satoshi, HIDA, Kazutoshi, KIM, Phyo, ARAI, Hajime
Publicado 2022