Spine
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Retrospective analysis. ⋯ A competing-risk based prognostic model is developed to predict the probability of CSD of patients with spinal and pelvic chondrosarcoma. This nomogram performs well and is suitable for clinical use.Level of Evidence: 4.
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Retrospective study. ⋯ CMCT is significantly slower in both neck flexion and neck extension than in the neutral neck position. These findings reflect the dynamic cervical cord impingement.Level of Evidence: 4.
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Retrospective case control study. ⋯ Significant variation exists across both surgeons and hospitals in perioperative blood transfusion utilization following AIS surgery. Use of autologous blood transfusion and implementing institutional transfusion protocols may reduce unwarranted variation and potentially decrease infectious complication rates.Level of Evidence: 3.
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Case report. ⋯ We highlight the utility of routine biopsy during kyphoplasty especially in patients with known history of malignancy. We emphasize that presumptions about the etiology of a VCF are difficult to make with multiple risk factors and that routine biopsy prevents incorrect presumptions such as in this case.Level of Evidence: 5.