博士（医学）, 信州大学

Neurosurgery, Brain tumor

Neurosurgery, Neurosurgery

Neurosurgery, Intraoperative neuromonitoring

2023 - Present
Shinshu University, School of Medicine Department of Neurosurgery, 講師

2020 - 2023
信州大学医学部附属病院 助教

2019 - 2020
信州大学医学部医学科 助教(特定雇用)

2017 - 2019
Shinshu University Hospital

2018, Shinshu University, Graduate School Medicine

2006, Shinshu University, School of Medicine

The efficacy of a visiting surgical service versus that of a hospital-based surgical service in providing endoscopic endonasal surgery to remove nonfunctioning pituitary adenomas in rural communities.
Toshihiro Ogiwara; Satoshi Kitamura; Tetsuya Goto; Yu Fujii; Ken Yamazaki; Haruki Kuwabara; Akifumi Yokota; Hiromu Murase; Yoshiki Hanaoka; Atsushi Sato; Kazuhiro Hongo; Tetsuyoshi Horiuchi
Pituitary, 26(4), 521-528, Aug. 2023

Endoscopic Evacuation of Putaminal Hemorrhage Using the Trans-Middle Temporal Gyrus Approach: Technical Notes and Case Presentations.
Ken Yamazaki; Toshihiro Ogiwara; Satoshi Kitamura; Yu Fujii; Daisuke Yamazaki; Haruki Kuwabara; Kohei Funato; Yoshiki Hanaoka; Tetsuyoshi Horiuchi
Journal of neurological surgery. Part A, Central European neurosurgery, Mar. 2023

Transradial Mechanical Thrombectomy Using a Radial-specific Neurointerventional Guiding Sheath for Anterior Circulation Large-Vessel Occlusions: Preliminary Experience and Literature Review
Kuroiwa, Masafumi; Hanaoka, Yoshiki; Koyama, Jun-Ichi; Yamazaki, Daisuke; Kubota, Yuki; Kitamura, Satoshi; Ichinose, Shunsuke; Nakamura, Takuya; Kamijo, Takaaki; Fujii, Yu; Ogiwara, Toshihiro; Murata, Takahiro; Horiuchi, Tetsuyoshi
WORLD NEUROSURGERY, Mar. 2023, Refereed

Transorbital penetrating head injury by a wooden chopstick in the cavernous sinus: a case report and literature review
Yamazaki, Daisuke; Ogihara, Naoki; Yako, Takehiro; Fujii, Yu; Hanaoka, Yoshiki; Kurokawa, Toru; Horiuchi, Tetsuyoshi
NAGOYA JOURNAL OF MEDICAL SCIENCE, Feb. 2023, Refereed

Single-lane clipping technique for a ruptured aneurysm of A1 fenestration of the anterior cerebral artery: a case report and literature review
Kubota, Yuki; Hanaoka, Yoshiki; Aoyama, Tatsuro; Fujii, Yu; Ogiwara, Toshihiro; Seguchi, Tatsuya; Horiuchi, Tetsuyoshi
NAGOYA JOURNAL OF MEDICAL SCIENCE, Feb. 2023, Refereed

Surgical revascularization for quasi-moyamoya disease associated with polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, and skin changes (POEMS) syndrome: a case report and literature review
Kubota, Yuki; Hanaoka, Yoshiki; Koyama, Jun-Ichi; Takahashi, Yusuke; Katoh, Nagaaki; Iwaya, Mai; Fujii, Yu; Ogiwara, Toshihiro; Horiuchi, Tetsuyoshi
NAGOYA JOURNAL OF MEDICAL SCIENCE, Feb. 2023, Refereed

Transradial Stent-Assisted Coiling Using "Dual-Jailing" Technique for Kissing Aneurysms of the Internal Carotid Artery: Technical Note and Literature Review
Yamazaki, Daisuke; Hanaoka, Yoshiki; Koyama, Jun-Ichi; Fujii, Yu; Ogiwara, Toshihiro; Horiuchi, Tetsuyoshi
WORLD NEUROSURGERY, Feb. 2023, Refereed

The Current Status in Intraoperative Image-Guided Neurosurgery Associated with Progressive Operating Rooms: A Retrospective Analysis
Ogiwara, Toshihiro; Goto, Tetsuya; Fujii, Yu; Hanaoka, Yoshiki; Miyaoka, Yoshinari; Koyama, Jun-ichi; Hongo, Kazuhiro; Horiuchi, Tetsuyoshi
WORLD NEUROSURGERY, 167, E710-E716, Nov. 2022, Refereed

Cerebral Edema Due to Chemotherapeutic Wafer Implantation for Malignant Glioma: Registry Study of Correlation with Perioperative Epileptic Seizures
Fujii, Yu; Ogiwara, Toshihiro; Kato, Hiroto; Hanaoka, Yoshiki; Hardian, Ridzky Firmansyah; Goto, Tetsuya; Hongo, Kazuhiro; Horiuchi, Tetsuyoshi
NEUROLOGIA MEDICO-CHIRURGICA, 62(7), 328-335, Jul. 2022

Intraoperative Low-Field Magnetic Resonance Imaging-Guided Tumor Resection in Glioma Surgery: Pros and Cons
Fujii Yu; Ogiwara Toshihiro; Watanabe Gen; Hanaoka Yoshiki; Goto Tetsuya; Hongo Kazuhiro; Horiuchi Tetsuyoshi
Journal of Nippon Medical School, 89(3), 269-276, Jun. 2022

Sequential Development of Putaminal Hemorrhage and Corona Radiata Infarction in the Same Lenticulostriate Arterial Territory
Inomata, Yuki; Hanaoka, Yoshiki; Fujii, Yu; Ogiwara, Toshihiro; Horiuchi, Tetsuyoshi
ACTA MEDICA OKAYAMA, 76(3), 329-332, Jun. 2022

Intraoperative Image-Guided Surgery for Gliomas in the Smart Cyber Operating Theater (SCOT): A Preliminary Clinical Application
Ogiwara, Toshihiro; Fujii, Yu; Hanaoka, Yoshiki; Kitamura, Satoshi; Kuwabara, Haruki; Funato, Kohei; Inomata, Yuki; Yamazaki, Daisuke; Yamazaki, Ken; Murase, Hiromu; Yokota, Akifumi; Hardian, Ridzky Firmansyah; Goto, Tetsuya; Hongo, Kazuhiro; Horiuchi, Tetsuyoshi
WORLD NEUROSURGERY, 160, E314-E321, Apr. 2022

Transradial quadraxial system for coil embolization of distal anterior cerebral artery aneurysms: A radial-first center case series and literature review
Hanaoka, Yoshiki; Koyama, Jun-ichi; Yamazaki, Daisuke; Fujii, Yu; Ogiwara, Toshihiro; Horiuchi, Tetsuyoshi
JOURNAL OF NEURORADIOLOGY, 49(2), 169-172, Mar. 2022

Contralateral Transradial Access for Coil Embolization of Distal Anterior Cerebral Artery Aneurysm Associated With a Steep Ipsilateral A1-A2 Angle
Yamazaki, Ken; Hanaoka, Yoshiki; Koyama, Jun-ichi; Yamazaki, Daisuke; Fujii, Yu; Ogiwara, Toshihiro; Horiuchi, Tetsuyoshi
JOURNAL OF STROKE & CEREBROVASCULAR DISEASES, 31(3), 106299-106299, Mar. 2022

Evaluation of Ischemic Tolerance during Cavernous Carotid Aneurysm Surgery: Initial Experience with “Intraoperative Test Occlusion”
KITAMURA Satoshi; HANAOKA Yoshiki; FUJII Yu; INOMATA Yuki; OGIWARA Toshihiro; HORIUCHI Tetsuyoshi
Surgery for Cerebral Stroke, 50(6), 525-529, 2022, Refereed

A preliminary study of the diagnostic efficacy and safety of the novel boring biopsy for brain lesions
Ogiwara, Toshihiro; Nitta, Junpei; Fujii, Yu; Watanabe, Gen; Kuwabara, Haruki; Agata, Masahiro; Kobayashi, Hideki; Miyaoka, Yoshinari; Kitamura, Satoshi; Hanaoka, Yoshiki; Goto, Tetsuya; Iwaya, Mai; Hongo, Kazuhiro; Horiuchi, Tetsuyoshi
SCIENTIFIC REPORTS, 12(1), 4387, 2022

Comparison Between Conventional Flash and Off-Response Intraoperative Visual Evoked Potential Monitoring for Endoscopic Endonasal Surgery
Hardian, Ridzky Firmansyah; Ogiwara, Toshihiro; Sato, Atsushi; Fujii, Yu; Suzuki, Yota; Hanaoka, Yoshiki; Miyata, Maki; Kamiya, Keisuke; Sasaki, Tetsuo; Goto, Tetsuya; Hongo, Kazuhiro; Horiuchi, Tetsuyoshi
OPERATIVE NEUROSURGERY, 21(6), 516-522, Dec. 2021

Correlations Among Consistency, Computed Tomography Values, and Histopathological Subtypes of Spinal Meningioma
Aoyama, Tatsuro; Ogiwara, Toshihiro; Ito, Kiyoshi; Miyaoka, Yoshinari; Fujii, Yu; Hanaoka, Yoshiki; Hasegawa, Takatoshi; Watanabe, Gen; Seguchi, Tatsuya; Hongo, Kazuhiro
ACTA MEDICA OKAYAMA, 75(6), 713-718, Dec. 2021

Endoscopic diving technique for surgery of brain abscess
Suzuki, Yota; Ogiwara, Toshihiro; Kitamura, Satoshi; Fujii, Yu; Hanaoka, Yoshiki; Natsume, Takenori; Horiuchi, Tetsuyoshi
BRITISH JOURNAL OF NEUROSURGERY, Oct. 2021, Refereed

Pediatric Case of Life-Threatening Stroke Caused by Reversible Cerebral Vasoconstriction Syndrome with Spontaneous Cervical Internal Carotid Artery Vasospasm: A Case Report
Yu Fujii, Yoshiki Hanaoka, Toshihiro Ogiwara, Jun-Ichi Koyama, Tetsuyoshi Horiuchi
Journal of Stroke and Cerebrovascular Diseases, 30(10), Oct. 2021, Refereed
Lead

Tailor-Made Endoscopic Surgical Strategy for Severe Intraventricular Hemorrhage with Obstructive Hydrocephalus
Ogiwara, Toshihiro; Suzuki, Yota; Hasegawa, Takatoshi; Nakamura, Takuya; Fujii, Yu; Hanaoka, Yoshiki; Ito, Kiyoshi; Yokota, Akifumi; Higashiyama, Fumiko; Oya, Fusakazu; Horiuchi, Tetsuyoshi
WORLD NEUROSURGERY, 150, E771-E776, Jun. 2021

Microscopic navigation-guided fence post technique for maximal tumor resection during glioma surgery
Fujii, Yu; Ogiwara, Toshihiro; Goto, Tetsuya; Kanaya, Kohei; Hara, Yosuke; Hanaoka, Yoshiki; Hardian, Ridzky Firmansyah; Hongo, Kazuhiro; Horiuchi, Tetsuyoshi
WORLD NEUROSURGERY, Apr. 2021, Refereed

Late malignant transformation of anaplastic meningioma 18 years after primary surgery: A case report
Fujii, Yu; Ogiwara, Toshihiro; Yamazaki, Daisuke; Hanaoka, Yoshiki; Horiuchi, Tetsuyoshi
JOURNAL OF CLINICAL NEUROSCIENCE, 86, 136-138, Apr. 2021

Endoscopic Endonasal Approach in the Smart Cyber Operating Theater (SCOT): Preliminary Clinical Application
Ogiwara, Toshihiro; Goto, Tetsuya; Fujii, Yu; Nakamura, Takuya; Suzuki, Yota; Hanaoka, Yoshiki; Ito, Kiyoshi; Horiuchi, Tetsuyoshi; Hongo, Kazuhiro
WORLD NEUROSURGERY, 147, E533-E537, Mar. 2021

T-Configuration Stent Placement for Carotid Bifurcation Stenosis Co-Existing with Ipsilateral Intracranial Stenosis: A Case Report and Literature Review
Kubota, Yuki; Hanaoka, Yoshiki; Koyama, Jun-ichi; Fujii, Yu; Ogiwara, Toshihiro; Ito, Kiyoshi; Horiuchi, Tetsuyoshi
JOURNAL OF STROKE & CEREBROVASCULAR DISEASES, 30(2), --105472, Feb. 2021

Intraoperative Lumbar Muscle Motor Evoked Potential Monitoring With Transcortical Stimulation
Hardian, Ridzky Firmansyah; Goto, Tetsuya; Kanaya, Kohei; Hara, Yosuke; Fujii, Yu; Hanaoka, Yoshiki; Horiuchi, Tetsuyoshi; Hongo, Kazuhiro
WORLD NEUROSURGERY, 146, E1126-E1133, Feb. 2021

Effectiveness of the intraoperative magnetic resonance imaging during endoscopic endonasal approach for acromegaly
Ogiwara, Toshihiro; Hori, Takahide; Yu Fujii; Nakamura, Takuya; Suzuki, Yota; Watanabe, Gen; Hanaoka, Yoshiki; Goto, Tetsuya; Hongo, Kazuhiro; Horiuchi, Tetsuyoshi
PITUITARY, -, 2021, Refereed

Endovascular Revascularization with a Scoring Balloon for Carotid In-Stent Restenosis Case Report and Literature Review
Inomata, Yuki; Hanaoka, Yoshiki; Koyama, Jun-ichi; Suzuki, Yota; Fujii, Yu; Ogiwara, Toshihiro; Horiuchi, Tetsuyoshi
CLINICAL NEURORADIOLOGY, -, 2021

Intraspinal canal platform system for coil embolization of anterior spinal artery aneurysm associated with spinal cord arteriovenous malformation: a case report and literature review
Yamazaki, Daisuke; Hanaoka, Yoshiki; Koyama, Jun-Ichi; Suzuki, Yota; Agata, Masahiro; Abe, Daishiro; Nakamura, Takuya; Fujii, Yu; Ogiwara, Toshihiro; Horiuchi, Tetsuyoshi
BRITISH JOURNAL OF NEUROSURGERY, -, 2021

Treatment Strategy for Giant Invasive Macroprolactinoma with Spontaneous Cerebrospinal Fluid Rhinorrhea: A Case Report and Literature Review
Abe, Daishiro; Ogiwara, Toshihiro; Nakamura, Takuya; Ichinose, Shunsuke; Fujii, Yu; Hanaoka, Yoshiki; Ito, Kiyoshi; Horiuchi, Tetsuyoshi
WORLD NEUROSURGERY, 144, 19-23, Dec. 2020

Transient Retinal Ischemia During Carotid Endarterectomy Estimated by Intraoperative Visual Evoked Potential Monitoring: Technical Note
Suzuki, Yota; Goto, Tetsuya; Fujii, Yu; Hara, Yosuke; Kodama, Kunihiko; Sato, Atsushi; Horiuchi, Tetsuyoshi; Hongo, Kazuhiro
WORLD NEUROSURGERY, 142, 68-74, Oct. 2020

Feasibility and Safety of Radial-First Approach with a Radial-Specific Neurointerventional Guiding Sheath for Intracranial Aneurysm Coiling in the Anterior Circulation
Hanaoka, Yoshiki; Koyama, Jun-ichi; Ogiwara, Toshihiro; Fujii, Yu; Ito, Kiyoshi; Horiuchi, Tetsuyoshi
WORLD NEUROSURGERY, 142, E297-E306, Oct. 2020

Transradial Approach as the Primary Vascular Access with a 6-Fr Simmons Guiding Sheath for Anterior Circulation Interventions: A Single -Center Case Series of 130 Consecutive Patients
Hanaoka, Yoshiki; Koyama, Jun-ichi; Yamazaki, Daisuke; Miyaoka, Yoshinari; Fujii, Yu; Nakamura, Takuya; Ogiwara, Toshihiro; Ito, Kiyoshi; Horiuchi, Tetsuyoshi
WORLD NEUROSURGERY, 138, E597-E606, Jun. 2020, Not invited

Initial experience with in vivo "endovascular shaping" technique that utilizes the vascular configuration for small cerebral aneurysm coiling
Hanaoka, Yoshiki; Koyama, Jun-ichi; YamazakP, Daisuke; Miyaoka, Yoshinari; Fujii, Yu; Nakamura, Takuya; Ogiwara, Toshihiro; Ito, Kiyoshi; Horiuchi, Tetsuyoshi
NAGOYA JOURNAL OF MEDICAL SCIENCE, 82(2), 355-362, May 2020, Not invited

Clinical Experience of Endoscopic Endonasal Approach in the Innovative, Newly Developed Operating Room "Smart Cyber Operating Theater (SCOT)"
Nakamura, Takuya; Ogiwara, Toshihiro; Goto, Tetsuya; Fujii, Yu; Miyaoka, Yoshinari; Hanaoka, Yoshiki; Horiuchi, Tetsuyoshi; Hongo, Kazuhiro
WORLD NEUROSURGERY, 134, 293-296, Feb. 2020, Not invited

Intraoperative facial motor evoked potential monitoring for pontine cavernous malformation resection
Hardian, Ridzky Firmansyah; Goto, Tetsuya; Fujii, Yu; Kanaya, Kohei; Horiuchi, Tetsuyoshi; Hongo, Kazuhiro
JOURNAL OF NEUROSURGERY, 132(1), 265-271, Jan. 2020, Not invited

Bilateral Transradial Approach for Coil Embolization of Basilar Artery Aneurysms Associated with an Unfavorable Vertebral Artery Anatomy Initial Experience with Role-sharing Technique
Hanaoka, Yoshiki; Koyama, Jun-ichi; Fujii, Yu; Ogiwara, Toshihiro; Ito, Kiyoshi; Horiuchi, Tetsuyoshi
CLINICAL NEURORADIOLOGY, -, 2020

Usefulness of a Novel Technique to Make Up for a Deficiency in Transradial Neurointervention with a 6Fr Simmonds Guiding Sheath: Original Experience with the Subclavian Artery Anchoring Technique
Hanaoka, Yoshiki; Koyama, Jun-ichi; Ogiwara, Toshihiro; Miyaoka, Yoshinari; Fujii, Yu; Nakamura, Takuya; Horiuchi, Tetsuyoshi; Hongo, Kazuhiro
WORLD NEUROSURGERY, 131, E362-E370, Nov. 2019, Not invited

手術室のIoT化と戦略デスクの役割
藤井 雄; 後藤 哲哉; 荻原 利浩; 本郷 一博; 岡本 淳; 村垣 善浩
生体医工学, 57, S134_1-S134_1, 2019, Not invited

Threshold of the extent of resection for WHO Grade III gliomas: retrospective volumetric analysis of 122 cases using intraoperative MRI
Fujii, Yu; Muragaki, Yoshihiro; Maruyama, Takashi; Nitta, Masayuki; Saito, Taiichi; Ikuta, Soko; Iseki, Hiroshi; Hongo, Kazuhiro; Kawamata, Takakazu
JOURNAL OF NEUROSURGERY, 129(1), 1-9, Jul. 2018, Not invited

Resection for WHO Grade III gliomas Response
Fujii, Yu; Muragaki, Yoshihiro; Kawamata, Takakazu
JOURNAL OF NEUROSURGERY, 129(1), 251-251, Jul. 2018, Not invited

Intraoperative photodynamic diagnosis using talaporfin sodium simultaneously applied for photodynamic therapy against malignant glioma: A prospective clinical study
Kazuhide Shimizu; Masayuki Nitta; Takashi Komori; Takashi Maruyama; Takayuki Yasuda; Yu Fujii; Ken Masamune; Takakazu Kawamata; Taketoshi Maehara; Yoshihiro Muragaki
Frontiers in Neurology, 9, -, Jan. 2018, Not invited

脳神経外科学領域におけるPDD/PDTの最先端 悪性神経膠腫に対するTalaporfin sodium(レザフィリン)を用いた光線力学的診断
清水 一秀; 新田 雅之; 小森 隆司; 丸山 隆志; 安田 崇之; 藤井 雄; 川俣 貴一; 前原 健寿; 村垣 善浩
日本レーザー医学会誌, 38(3), 255-255, Oct. 2017, Refereed, Not invited

Operation-Microscope-Mounted Touch Display Tablet Computer for Intraoperative Imaging Visualization
Eric Soehngen; Nunung Nur Rahmah; Yukinari Kakizawa; Tetsuyoshi Horiuchi; Yu Fujii; Takafumi Kiuchi; Kazuhiro Hongo
WORLD NEUROSURGERY, 77(2), 381-383, Feb. 2012, Not invited

ORiNによってインテグレートされたスマート治療室の臨床応用
岡本淳; 椋本豪; 奥田英樹; 正宗賢; 伊関洋; 村垣善浩; 藤井雄; 後藤哲哉; 本郷一博
計測自動制御学会システムインテグレーション部門講演会(CD-ROM), 19th, ROMBUNNO.1C1‐06, 13 Dec. 2018, Not invited
http://jglobal.jst.go.jp/public/201902269442498417

手術室のIoT化と戦略デスクの役割
後藤 哲哉; 本郷 一博; 藤井 雄; 岡本 淳; 齋藤 太一; 村垣 善浩; 椋本 豪; 奥田 英樹
日本コンピュータ外科学会誌, 20(4), 365 - 365, Oct. 2018, Not invited

術中MRIを用いた脳腫瘍手術の実際
藤井 雄; 本郷 一博; 村垣 善浩; 丸山 隆志; 新田 雅之; 川俣 貴一; 伊関 洋
信州医学雑誌, 66(4), 287 - 288, Aug. 2018, Not invited

スタンダードSCOT(Smart Cyber Operation Theater)手術室と戦略デスクの役割
後藤 哲哉; 本郷 一博; 藤井 雄; 岡本 淳; 齋藤 太一; 村垣 善浩; 椋本 豪; 奥田 英樹
日本コンピュータ外科学会誌, 19(4), 345 - 345, Oct. 2017, Not invited

術中MRIを使用した初発WHO grade3gliomaの摘出率と予後に関するvolumetric analysis
藤井雄; 藤井雄; 藤井雄; 村垣善浩; 丸山隆志; 新田雅之; 田村学; 村垣善浩; 丸山隆志; 新田雅之; 田村学; 都築俊介; 安田崇之; 伊関洋; 川俣貴一
日本脳腫瘍の外科学会プログラム・抄録集, 21st, 101, 2016, Not invited
http://jglobal.jst.go.jp/public/201602221029962396

日本神経内視鏡学会

日本脳卒中学会

日本脳神経外科コングレス

日本脳神経外科学会

日本臨床神経生理学会

日本Awake surgery学会

日本脳腫瘍の外科学会

日本脳腫瘍学会

革新的脳生検術「ボーリングバイオプシー」で採取した脳腫瘍組織検体がもたらす病理学的意義の解明
その他公的資金, 公益財団法人 武田科学振興財団
01 Jul. 2021 - 01 Mar. 2024

脳腫瘍の組織・解剖学的所見、及びDNA量を相関解析するための新統合システムの確立
科学研究費補助金（若手研究）, 日本学術振興会, 若手研究
01 Apr. 2021 - 31 Mar. 2023

悪脳腫瘍に対する術中MRI誘導内視鏡手術の確立に向けた研究
その他公的資金, 公益財団法人内視鏡医学研究振興財団
2021 - 2021

安全性と医療効率の向上を両立するスマート治療室の開発
その他公的資金, 国立研究開発法人日本医療研究開発機構
2014 - 31 Mar. 2018