European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
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In this study, we addressed the correlation between the cross-sectional area (CSA) of the dural sac and the nerve root sedimentation sign (SedSign) and the correlation between the distance of claudication and the CSA of the dural sac or SedSign in patients with lumbar spinal stenosis. We also evaluated the reliability of clinical symptom prediction. ⋯ Increasing severity of SedSign indicates progressively smaller dural sac CSA, but there is an inconsistent association with clinical symptoms. Therefore, it is reasonable to suggest that spinal stenosis is severe in patients with severe symptoms.
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We present a case report that describes neoadjuvant denosumab therapy initiated in a child with a solitary giant cell-rich juvenile xanthogranuloma tumor involving the spine, and review the current literature. ⋯ In giant cell-rich tumors, denosumab is occasionally used as neoadjuvant or adjuvant therapy, especially for tumors in difficult locations or with substantial soft tissue extensions. Rare adverse events in children include skin infections and disruption of calcium homeostasis. Surgical treatment is aimed at removing the tumor and relieving the symptomatic spinal cord compression. Use of denosumab as neoadjuvant therapy for juvenile xanthogranuloma involving the spine has not been reported previously.
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Chance fracture of the high thoracic spine is rare, and its impact on the adjacent cervical spine can be important. ⋯ Literature is sparse on the treatment of high thoracic chance fractures. The current case shows that early surgical management should prevent a secondary kyphotic deformity that may need a more aggressive treatment at a later stage.
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Case Reports
Real-time ultrasound-MRI fusion image virtual navigation for locating intraspinal tumour in a pregnant woman.
Standard fluoroscopic guidance (C-arm fluoroscopy) has been routinely used for intraoperative localization of spinal level for surgical removal of intraspinal tumour, while it is not suitable for selected patients, e.g. pregnant women, who need to avoid radiation exposure. Fusion imaging of real-time ultrasound (US) and magnetic resonance imaging (MRI) is a radiation-free technique which has been reported to have good localization accuracy in managing several conditions. ⋯ We presented the first case of using VNT based fusion imaging of real-time US/MRI to guide the surgical resection of an intraspinal tumour. Future study with larger patient number is needed to validate this technique as an alternative to fluoroscopy in patients who need to avoid radiation exposure.
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The aim of this report was to describe a case using combined USG and fluoroscopy for cervical VP via a percutaneous route under sedoanalgesia. ⋯ We consider that the combined use of C-arm fluoroscopy and USG should improve success rates and prevent vascular and neural injuries and dura perforation.