Spine
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En bloc resection of a chordoma of the C5 vertebra with wide surgical margins. ⋯ Total en bloc spondylectomy with wide surgical margins is feasible for malignant bone tumors of the cervical spine.
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An in vitro human cadaveric biomechanical study. ⋯ In general, CHARITE discs preserved operated- and other-level motions. Fusion simulations affected motion redistribution at other levels, including adjacent levels.
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Case report. ⋯ This is the first report of a synovial cyst hematoma due to anticoagulation therapy. Its magnetic resonance imaging features can be similar to synovial cyst, especially when it is hemorrhagic. Spinal decompression was the definitive treatment.
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Randomized Controlled Trial
A randomized controlled trial evaluating the effects of new task chairs on shoulder and neck pain among sewing machine operators: the Los Angeles garment study.
This is a 4-month randomized controlled trial to evaluate the effect of chair design on neck/shoulder pain among sewing machine operators. ⋯ These findings demonstrate that an adjustable height task chair with a curved seat pan can reduce neck and shoulder pain severity among sewing machine operators.
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Prospective follow-up and retrospective review of 174 patients surgically treated for degenerative lumbar spinal stenosis. ⋯ In patients undergoing surgery for degenerative lumbar spinal stenosis, the preoperative type of leg pain predicts function and leg symptom outcomes.