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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To report a rare fourth atlanto-axial joint. ⋯ A unique case with an anatomically proven fourth atlantoaxial joint is reported. This anomaly can lead to misdiagnosis. CT scan coupled with MRI can facilitate accurate diagnosis.
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The thoracic spine is considered a rigid region because it is restricted by the rib cage. Previously, we reported functional alignments and range of motion (ROM) at all segmental levels. The purpose of this study was to investigate dynamic changes of the dural sac and spinal cord in the thoracic spine using a multidetector-row computed tomography (MDCT). ⋯ The thoracic spine showed some dynamic changes of the dural sac and spinal cord in the axial plane within functional motion. Segmental kyphotic angle, rather than segmental ROM, was the more important factor affecting dimensions of the dural sac and spinal cord.
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To investigate the clinical efficacy and feasibility of surgical treatment for lumbosacral junction tuberculosis by one-stage posterior debridement, interbody fusion, lumbopelvic fixation, and postural drainage. ⋯ Our results suggest that one-stage posterior debridement, interbody fusion, lumbopelvic fixation, and postural drainage can be an effective and feasible treatment option for lumbosacral junction tuberculosis, offering fewer complications and a better quality of life.
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Aggressive giant cell tumor (GCT) is an important subtype of GCT and is relatively rare in the spine. There is little published information regarding this subject. The objective of our study is to discuss prognostic factors for primary aggressive GCT in the spine. ⋯ Total en bloc spondylectomy together with bisphosphonate treatment could significantly decrease recurrence risk of primary aggressive GCT in the spine. Jaffe grade III was an adverse prognostic factor for recurrence, while age less than 40 years was a favorable prognostic factor.
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To assess the clinical effect of percutaneous vertebroplasty (PVP) in the treatment of metastatic spinal tumors in patients with posterior wall defect. ⋯ PVP can be an effective treatment for metastatic spinal tumors in patients with posterior wall deficiency; however, care should be taken to control the distribution of the bone cement due to the relatively high risk of cement leakage.