Chondrosarcoma Arising from the Posterior Iliac Crest Extending into the Spinal Canal by Kota Wada, Akio Sakamoto, Rei Kato, Takashi Noguchi, Takayoshi Shimizu, Bungo Otsuki, Koichi Murata, Shunsuke Fujibayashi, Shuichi Matsuda

“…Extension into the spinal canal from the extracannular space is seen mainly for neurogenic tumors, but it is rare in nonneurogenic tumors. …”
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High lumbar disc prolapse free to posterior spinal canal suspected tumor: one case report by YOU Dong‐chun, ZHANG Yu, JIAN Feng‐zeng, CHEN Li, ZHENG Zhou‐hang, WANG Xing‐wen

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Cardiac and respiratory activities induce temporal changes in cerebral blood volume, balanced by a mirror CSF volume displacement in the spinal canal by Pan Liu, Kimi Owashi, Heimiri Monnier, Serge Metanbou, Cyrille Capel, Olivier Balédent

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Epidural sand⁃grained meningioma: one case report by PI Li, WANG Xing‐wen, WANG Zuo‐wei

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THORACIC SPINE CANAL STENOSIS WITH CAUDA EQUINE SYNDROME: CASE REPORT by Primadenny Ariesa Airlangga, Arifin Arifin

Subjects: “…thoracic spinal canal stenosis…”
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Clear cell meningioma of the filum terminale in a 44-year-old woman: case report by Piotr Glinka, Michał Sobstyl, Albert Acewicz, Piotr Bojarski

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Safety Considerations When Dry Needling the Multifidi in the Thoracolumbar Region: A Cadaveric Study by Christi L. Williams, Christian R. Falyar, Ryan C. McConnell, Stacey Lindsley

“…While studies have examined the safety considerations in the upper lumbar spine related to the kidneys and lungs, none have investigated the possibility of entering the spinal canal in this region. # Purpose The purpose of this cadaveric ultrasound-guided dry needling exploration was to determine if a dry needle can penetrate the ligamentum flavum at the T12/L1 interspace and enter the spinal canal using a paramedian approach in a fresh-frozen, lightly fixed cadaver in the prone position…”
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Inferior-Medial Dry Needling at the Thoracolumbar Junction: A Cadaveric Study by Christi L. Williams, Sue E. Curfman, Stacey R. Lindsley, Christian R. Falyar, Ryan C. McConnell

“… # Conclusion The results of this study demonstrate the feasibility of a dry needle entering the spinal canal at the thoracolumbar junction using an inferior-medial technique. …”
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Two Cases of Iatrogenic Lumbar Foraminal Disc Herniations by Ryota Taniguchi, Osamu Kawano, Takeshi Maeda, Yasuharu Nakajima, Yuichiro Morishita

“…The herniated fragments were migrated from neural foramen to cranial central spinal canal. Conclusions. The injection of liquid medicine into the nucleus led the intradiscal pressure increased, and the disc fragment might prolapsed through the raptured region of annulus fibrosus and migrated to cranial central spinal canal by anatomical reason. …”
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Diagnostic Implication and Clinical Relevance of Dermatomal Somatosensory Evoked Potentials in Patients with Radiculopathy: A Retrospective Study by Nam-Gyu Jo, Myoung-Hwan Ko, Yu Hui Won, Sung-Hee Park, Gi-Wook Kim, Jeong-Hwan Seo

“…The sizes of the IVF and spinal canal were measured by the pixel counts of selected MR images. …”
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Deep learning reconstruction of zero-echo time sequences to improve visualization of osseous structures and associated pathologies in MRI of cervical spine by Malwina Kaniewska, Fabio Zecca, Carina Obermüller, Falko Ensle, Eva Deininger-Czermak, Maelene Lohezic, Roman Guggenberger

“…Cervical structures and pathologies, including soft tissue and bone components in spinal canal and neural foraminal stenosis, were analyzed. …”
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Synovial Cyst Mimicking an Intraspinal Sacral Mass by Jason Hoover, Stephen Pirris

“…Neurosurgery consult was requested to evaluate the cystic mass in the sacral spinal canal. After clinical evaluation, an unusually located synovial cyst was thought possible. …”
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Improved Function After Anterior Controllable Antedisplacement and Fusion for Cervical Ossification of Posterior Longitudinal Ligament: A Long‐Term Follow‐Up by Yangyang Shi, Kaiqiang Sun, Linhui Han, Chen Yan, Jinyu Wang, Jingyun Yang, Yuan Wang, Ximing Xu, Jingchuan Sun, Jiangang Shi

“…The secondary outcomes included pain, Cobb angle, spinal canal invasion rate, and surgery‐related complications. …”
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Primary Ewing’s Sarcoma of the Spine in a Two-Year-Old Boy by Ali J. Electricwala, Jaffer T. Electricwala

“…After reaching the diagnosis of a space occupying lesion invading the lumber spinal canal, we performed a decompressive laminectomy and a biopsy was sent which confirmed the diagnosis of ES. …”
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Unilateral biportal endoscopic decompression combined with percutaneous pedicle screw fixation offers new treatment option for thoracolumbar burst fractures with secondary spinal s... by Guangchao Bai, Xiaowen Qiu, Guojun Wei, Xiaowei Jing, Qingfeng Hu

“…The degree of correction of spinal deformity was assessed using the sagittal Cobb angle and the percentage of height of the anterior margin of the vertebral body, the rate of canal encroachment was used to assess the decompression of the spinal canal, and the recovery of the patients’ ability to live was assessed using the Visual Analogue Scale (VAS) and Japanese Orthopaedic Association (JOA) Score. …”
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A Unique Case of Primary Ewing’s Sarcoma of the Cervical Spine in a 53-Year-Old Male: A Case Report and Review of the Literature by Marshall T. Holland, Oliver E. Flouty, Liesl N. Close, Chandan G. Reddy, Matthew A. Howard

“…Even more uncommon is EES presenting as a primary focus in the spinal canal. These rapidly growing tumors often present with focal neurological symptoms of myelopathy or radiculopathy. …”
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Influencing Factors of Resorption in Lumbar Disc Herniation by SHEN Xueqiang, LIU Jintao, YU Pengfei, DAI feng, ZHU Yu, JIANG Hong

“…There were significant differences between the two groups in age, course of disease, Komori classification, Iwabuchi classification, Pfirrmann classification, RSI, Modic changes, spinal canal morphology and horsetail sedimentation sign Schizas classification (<italic>P</italic>&lt;0.05). …”
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Bilateral Lumbar Facet Synovial Cysts as a Cause of Radiculopathy by Pawin Kasempipatchai, Verapan Kuansongtham, Monchai Ruangchainikom, Khin Myat Myat Lwin

“…Bilateral lumbar facet cysts are rarely found in the spinal canal. We report a rare case of L4–L5 bilateral lumbar facet cysts compressing the nerve root in a patient who presented with L5 radiculopathy. …”
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Mobile schwannomas of the spine: Diagnostic and surgical considerations of two cases by Galal Elsayed, Gabrielle Dykhouse, Weiye Yasen, Ning Lin, John K. Park

“…Mobile schwannomas, or schwann cell tumors, are rare, but their ability to migrate within the spinal canal complicates diagnosis and treatment. We report two cases of mobile schwannomas in the lower thoracic and lumbar spine, both presenting with intermittent low back and leg pain and leg numbness. …”
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Extraosseous Intradural Chondrosarcoma of the Cervical Spine: A Case Report with Brief Review of Literature by Elizabeth Presutto, Sejal Patel, Joseph Fullmer, Sajeev Ezhapilli

“…We report a rare case of an extraosseous chondrosarcoma with the cervical spinal canal in a 21-year-old male. The purpose of this case report is to discuss the imaging characteristics of this pathology proven diagnosis.…”
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