Eijiro Okada

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Breast carcinoma metastasis to meningioma in the thoracic spine: A case report and review of the literature

Y. Toyama, Masaya Nakamura, M. Matsumoto, 2015, The journal of spinal cord medicine.

A Retrospective Cohort Study Comparing the Safety and Efficacy of Minimally Invasive Versus Open Surgical Techniques in the Treatment of Spinal Metastases

A. Iwanami, M. Matsumoto, K. Ishii, 2017, Clinical spine surgery.

Aging of the Cervical Spine in Healthy Volunteers: A 10-Year Longitudinal Magnetic Resonance Imaging Study

Y. Toyama, S. Momoshima, M. Matsumoto, 2009, Spine.

Tenosynovial giant cell tumor of the cervical spine: a case report

Osahiko Tsuji, A. Iwanami, M. Matsumoto, 2019, Spinal Cord Series and Cases.

Effect of bisphosphonates or teriparatide on mechanical complications after posterior instrumented fusion for osteoporotic vertebral fracture: a multi-center retrospective study

H. Terai, M. Hongo, K. Harimaya, 2020, BMC Musculoskeletal Disorders.

The 5-Item modified frailty index is predictive of severe adverse events in patients undergoing surgery for adult spinal deformity.

Osahiko Tsuji, N. Nagoshi, M. Matsumoto, 2019, Spine.

The impact of diabetes mellitus on spinal fracture with diffuse idiopathic skeletal hyperostosis: A multicenter retrospective study.

Tetsuro Ohba, M. Matsumoto, Kota Watanabe, 2021, Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association.

Risk predictors of perioperative complications for the palliative surgical treatment of spinal metastasis.

Osahiko Tsuji, N. Nagoshi, M. Matsumoto, 2020, Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association.

Y. Toyama, S. Momoshima, M. Matsumoto, 2010, Spine.

Metabolite profiling of plasma in patients with ossification of the posterior longitudinal ligament.

T. Miyamoto, Osahiko Tsuji, N. Nagoshi, 2018, Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association.

Anterior Cervical Decompression and Fusion Accelerates Adjacent Segment Degeneration: Comparison With Asymptomatic Volunteers in a Ten-Year Magnetic Resonance Imaging Follow-up Study

Daisuke Ichihara, Suketaka Momoshima, Yoshiaki Toyama, 2010, Spine.

Baseline severity of myelopathy predicts neurological outcomes after posterior decompression surgery for cervical spondylotic myelopathy: a retrospective study

Osahiko Tsuji, J. Yamane, N. Nagoshi, 2021, Spinal Cord.

A 20-Year Prospective Longitudinal Study of Degeneration of the Cervical Spine in a Volunteer Cohort Assessed Using MRI: Follow-up of a Cross-Sectional Study

H. Katoh, M. Matsumoto, Kota Watanabe, 2018, The Journal of bone and joint surgery. American volume.

Modic changes in the cervical spine: Prospective 20-year follow-up study in asymptomatic subjects.

H. Katoh, M. Matsumoto, Kota Watanabe, 2019, Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association.

Effect of low body mass index on clinical recovery after fusion surgery for osteoporotic vertebral fracture: A retrospective, multicenter study of 237 cases

H. Terai, M. Hongo, K. Harimaya, 2022, Medicine.

A novel FOXC2 mutation in spinal extradural arachnoid cyst

Y. Toyama, M. Nakajima, A. Iwanami, 2015, Human Genome Variation.

Short- versus long-segment posterior spinal fusion with vertebroplasty for osteoporotic vertebral collapse with neurological impairment in thoracolumbar spine: a multicenter study

H. Terai, M. Hongo, K. Harimaya, 2020, BMC Musculoskeletal Disorders.

Treatment for Frailty Does Not Improve Complication Rates in Corrective Surgery for Adult Spinal Deformity

Osahiko Tsuji, N. Nagoshi, M. Matsumoto, 2019, Spine.

Adjacent Segment Disease and Degeneration After Anterior Cervical Decompression and Fusion

Daisuke Ichihara, Yoshiaki Toyama, Eijiro Okada, 2010 .

H. Terai, M. Hongo, K. Harimaya, 2019, European Spine Journal.

Residual lumbar curvature that developed during adolescence accelerates intervertebral disc degeneration in adulthood

Osahiko Tsuji, N. Nagoshi, Satoshi Nori, 2020, Spine Deformity.

Lumbar spinal surgery improves locomotive syndrome in elderly patients with lumbar spinal canal stenosis: A multicenter prospective study.

Y. Otaka, Osahiko Tsuji, N. Nagoshi, 2020, Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association.

Stride length of elderly patients with lumbar spinal stenosis: Multi-center study using the Two-Step test.

Y. Otaka, Osahiko Tsuji, N. Nagoshi, 2019, Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association.

Lumbar spinal canal stenosis leads to locomotive syndrome in elderly patients.

Y. Otaka, Osahiko Tsuji, N. Nagoshi, 2019, Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association.

Surgical and Functional Outcomes of Expansive Open-Door Laminoplasty for Patients With Mild Kyphotic Cervical Alignment

Osahiko Tsuji, Masaya Nakamura, N. Nagoshi, 2021, Neurospine.

How Preoperative Motor Weakness Affects the Extent of Recovery After Elective Spine Surgery in Patients with Degenerative Lumbar Spinal Stenosis

Osahiko Tsuji, Satoshi Nori, M. Matsumoto, 2021, Spine.

The effectiveness of chemonucleolysis with condoliase for treatment of painful lumbar disc herniation.

Osahiko Tsuji, N. Nagoshi, Satoshi Nori, 2020, Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association.

Changes in Cervical Spinal Alignment After Thoracolumbar Corrective Surgery in Adult Patients With Adolescent Idiopathic Scoliosis.

Osahiko Tsuji, Masaya Nakamura, N. Nagoshi, 2020, Spine.

Impact of knee osteoarthritis on surgical outcomes of lumbar spinal canal stenosis.

Osahiko Tsuji, N. Nagoshi, M. Matsumoto, 2019, Journal of neurosurgery. Spine.

Negative impact of spinal epidural lipomatosis on the surgical outcome of posterior lumbar spinous-splitting decompression surgery: a multicenter retrospective study.

Takehiro Michikawa, Osahiko Tsuji, Masaya Nakamura, 2019, The spine journal : official journal of the North American Spine Society.

Clinical indicators of surgical outcomes after cervical single open-door laminoplasty assessed by the Japanese Orthopaedic Association Cervical Myelopathy Evaluation Questionnaire

Osahiko Tsuji, N. Nagoshi, M. Matsumoto, 2019, Spinal Cord.

Does Selective Posterior Correction and Fusion Surgery Influence Cervical Sagittal Alignment in Patient with Lenke Type 5 Adolescent Idiopathic Scoliosis?—A 5-year Follow-up Retrospective Cohort Study

Osahiko Tsuji, N. Nagoshi, Satoshi Nori, 2021, Spine.

Identification of a Functional Susceptibility Variant for Adolescent Idiopathic Scoliosis that Upregulates Early Growth Response 1 (EGR1)‐Mediated UNCX Expression

H. Okamoto, Long Guo, C. Terao, 2022, Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research.

Genome-wide association study identifies 14 previously unreported susceptibility loci for adolescent idiopathic scoliosis in Japanese

Y. Kamatani, M. Kubo, Y. Momozawa, 2019, Nature Communications.

Lumbar spinal canal stenosis in patients with diffuse idiopathic skeletal hyperostosis: Surgical outcomes after posterior decompression surgery without spinal instrumentation.

Osahiko Tsuji, N. Nagoshi, M. Matsumoto, 2019, Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association.

Epithelioid Hemangioma of the Thoracic Spine: A Case Report and Review of the Literature

M. Matsumoto, Kota Watanabe, E. Okada, 2019, The journal of spinal cord medicine.

A Case of Spontaneous Spinal Epidural Hematoma That Mimicked Acute Cerebral Ischemic Stroke and Was Treated by a Recombinant Tissue-type Plasminogen Activator

Y. Toyama, M. Matsumoto, Y. Horiuchi, 2012 .

Predictive Factors for Proximal Junctional Kyphosis in Long Fusions to the Sacrum in Adult Spinal Deformity

S. Burch, V. Deviren, C. Ames, 2013, Spine.

Clinical outcomes and a therapeutic indication of intramedullary spinal cord astrocytoma

Osahiko Tsuji, N. Nagoshi, Satoshi Nori, 2021, Spinal Cord.

Poor Prognostic Factors of Spinal Ependymoma

Osahiko Tsuji, Satoshi Nori, M. Matsumoto, 2020 .

Grade III intradural extramedullary anaplastic ependymoma managed with near-complete resection and adjuvant radiotherapy: a case report

Osahiko Tsuji, N. Nagoshi, Satoshi Nori, 2021, Spinal Cord Series and Cases.

Concurrent dorsal subpial schwannoma and ventral meningioma arising at the same upper cervical level: a case report

Osahiko Tsuji, N. Nagoshi, Satoshi Nori, 2020, Spinal Cord Series and Cases.

Polygenic Risk Score of Adolescent Idiopathic Scoliosis for Potential Clinical Use

Y. Kamatani, M. Kubo, Y. Momozawa, 2021, Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research.

Characterization of Patients with Poor Risk for Clinical Outcomes in Adult Symptomatic Lumbar Deformity Surgery

Osahiko Tsuji, N. Nagoshi, Satoshi Nori, 2021, Spine.

Surgical risk stratification based on preoperative risk factors in adult spinal deformity.

Osahiko Tsuji, N. Nagoshi, M. Matsumoto, 2019, The spine journal : official journal of the North American Spine Society.

Cervical intramedullary recurrent Ewing sarcoma after 10-year disease-free survival in an adult: a case report and review of literature

Osahiko Tsuji, N. Nagoshi, Satoshi Nori, 2021, Spinal Cord Series and Cases.

Surgical outcomes of spinal fusion for osteoporotic thoracolumbar vertebral fractures in patients with Parkinson’s disease: what is the impact of Parkinson’s disease on surgical outcome?

H. Terai, M. Hongo, K. Harimaya, 2019, BMC Musculoskeletal Disorders.

Cross-sectional area of the posterior extensor muscles of the cervical spine in whiplash injury patients versus healthy volunteers--10 year follow-up MR study.

Y. Toyama, S. Momoshima, M. Matsumoto, 2012, Injury.

Cross-sectional area of posterior extensor muscles of the cervical spine in asymptomatic subjects: a 10-year longitudinal magnetic resonance imaging study

Y. Toyama, S. Momoshima, M. Matsumoto, 2011, European Spine Journal.

The Surgical Outcomes of Spinal Fusion for Osteoporotic Vertebral Fractures in the Lower Lumbar Spine with a Neurological Deficit

H. Terai, M. Hongo, K. Harimaya, 2020, Spine surgery and related research.

The Surgical Outcomes of Spinal Fusion for Osteoporotic Vertebral Fractures in the Lower Lumbar Spine with a Neurological Deficit

H. Terai, K. Harimaya, S. Ohtori, 2020 .

Migration of a Kirschner wire into the spinal cord: A case report and literature review

E. Okada, Mitsuhiro Nishida, S. Yanagimoto, 2020, The journal of spinal cord medicine.

Postoperative outcome after modified unilateral-approach microendoscopic midline decompression for degenerative spinal stenosis.

E. Okada, M. Yagi, Ken Ninomiya, 2009, Journal of neurosurgery. Spine.

Predictive model for major complications 2 years after corrective spine surgery for adult spinal deformity

Osahiko Tsuji, Masaya Nakamura, N. Nagoshi, 2018, European Spine Journal.

Comparisons of direct costs, outcomes, and cost-utility of decompression surgery with fusion versus decompression alone for degenerative lumbar spondylolisthesis.

Osahiko Tsuji, Masaya Nakamura, N. Nagoshi, 2018, Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association.

Dietary Habits Had No Relationship with Adolescent Idiopathic Scoliosis: Analysis Utilizing Quantitative Data about Dietary Intakes

Takehiro Michikawa, Y. Nishiwaki, M. Matsumoto, 2019, Nutrients.

Physical Activities and Lifestyle Factors Related to Adolescent Idiopathic Scoliosis

M. Matsumoto, Kota Watanabe, T. Tsuji, 2017, The Journal of bone and joint surgery. American volume.

Short Fusion Strategy for Lenke Type 1 Thoracic Curve Using Pedicle Screw Fixation

Y. Toyama, M. Matsumoto, K. Chiba, 2013, Journal of spinal disorders & techniques.

Spontaneous Regression of Soft Disc Herniation in Patients With Cervical Myelopathy

Y. Toyama, M. Matsumoto, K. Chiba, 2012 .