- A Morphologically Atypical Case of Atlantoaxial Rotatory Subluxation
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Umebayashi D, Hara M, Nishimura , Wakabayashi T
- KMID: 2018036
- J Korean Neurosurg Soc.
- 2014 May;55(5):284-288.
- doi: 10.3340/jkns.2014.55.5.284
A rare case of atlantoaxial rotatory subluxation occurred after pediatric cervical spine surgery performed to remove a dumbbell-shaped meningioma at the level of the C1/C2 vertebrae. This case is classified... -
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- The Impact of Adjuvant Radiotherapy on Clinical Performance Status in Patients With Grade II Spinal Cord Astrocytoma – A Nationwide Analysis by the Neurospinal Society of Japan
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Kanematsu R, Mizuno M, Inoue T, Takahashi T, Endo T, Shigekawa S, Muto J, Umebayashi D, Mitsuhara T, Hida K, Hanakita J, for the Investigators of Intramedullary Spinal Cord Tumors in the Neurospinal Society of Japan
- KMID: 2546022
- Neurospine.
- 2023 Sep;20(3):766-773.
- doi: 10.14245/ns.2346386.193
Objective: The impact of adjuvant radiotherapy on overall survival (OS) and progression-free survival (PFS) of patients with grade II spinal cord astrocytomas remains controversial. Additionally, the relationship between progression and... -
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- Description of the Diversity in Surgical Indication and Surgical Strategies for Primary Spinal Cord Tumors: A Nationwide Survey by the Neurospinal Society of Japan
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Hijikata Y, Ueda S, Yasuhara T, Umebayashi D, Endo T, Takami T, Mizuno M, Hida K, Hoshimaru M
- KMID: 2537377
- Neurospine.
- 2022 Dec;19(4):1122-1129.
- doi: 10.14245/ns.2244686.343
Objective: To assess the current management of primary spinal cord tumors (PSCTs) and determine whether and to what extent there are differences in surgical strategies for PSCTs. Methods: The Neurospinal Society... -
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- Biomechanical Analysis of a Pedicle Screw-Rod System with a Novel Cross-Link Configuration
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Nakajima Y, Hara M, Umebayashi D, Haimoto S, Yamamoto Y, Nishimura , Wakabayashi T
- KMID: 2362175
- Asian Spine J.
- 2016 Dec;10(6):993-999.
- doi: 10.4184/asj.2016.10.6.993
STUDY DESIGN: The strength effects of a pedicle screw-rod system supplemented with a novel cross-link configuration were biomechanically evaluated in porcine spines. PURPOSE: To assess the biomechanical differences between a conventional... -
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- Clinical Characteristics and Long-term Outcomes of Spinal Pilocytic Astrocytomas: A Multicenter Retrospective Study by the Neurospinal Society of Japan
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Muto J, Murata H, Shigekawa S, Mitsuhara T, Umebayashi D, Kanematsu R, Joko M, Inoue T, Inoue T, Endo T, Hirose Y, for the Investigators of Intramedullary Spinal Cord Tumors in the Neurospinal Society of Japan
- KMID: 2546023
- Neurospine.
- 2023 Sep;20(3):774-782.
- doi: 10.14245/ns.2346450.225
Objective: The characteristics, imaging features, long-term surgical outcomes, and recurrence rates of primary spinal pilocytic astrocytomas (PAs) have not been clarified owing to their rarity and limited reports. Thus, this... -
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