Cerebral infarct with idiopathic cervical internal carotid artery vasospasm: A case report and literature review

by Koki Hirayama, Teruyasu Hirayama, Junichi Tahara, Noriaki Yokose, Akiyoshi Ogino, Takeshi Suma, Akiko Yamashita, Atsuo Yoshino
Published 2018-12-01

Observational study of treated non-traumatic subarachnoid hemorrhage in nonagenarians

by Nobuo Kutsuna, Kotaro Makita, Kosei Goto, Koki Hirayama, Misato Takahama, Goro Kido, Yukihide Kagawa, Tadashi Shibuya
Published 2018-03-01

Novel threading device for central dural tenting sutures: Technical note

by Takamichi Katsuhara, Naoki Otani, Shun Yamamuro, Ryuta Kajimoto, Masato Kobayashi, Koki Hirayama, Koichiro Sumi, Katsunori Shijo, Atsuo Yoshino
Published 2021-09-01

Massive intracranial hemorrhage caused by intraventricular meningioma: case report

by Koichiro Sumi, Takeshi Suma, Reona Yoshida, Ryuta Kajimoto, Masato Kobayashi, Takamichi Katsuhara, Koki Hirayama, Xiaoyan Tang, Naoki Otani, Atsuo Yoshino
Published 2021-01-01