Spine
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Retrospective analysis. ⋯ Considering the acceptable local recurrence rate, conservative surgery aided by effective control of intraoperative hemorrhage should be considered as an alternative procedure for patients with giant cell tumors of the sacrum. The advantages include lower morbidity, reduced neurologic deficits, speed and ease of the surgical procedure, reduced blood loss, preservation of spinal and pelvic continuity, and a low recurrence rate.
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A case report. ⋯ Myositis ossificans usually occurs in extremities and is very uncommon in the psoas muscle. We report psoas myositis ossificans that developed from hemorrhage and edema associated with a lumbar fracture and required only 2 months to regress completely. When one finds a soft tissue mass with surrounding edema in the psoas muscle combined with a vertebral compression fracture, myositis ossificans should be included in the differential diagnosis.
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Repeated measures of cervical motion in asymptomatic subjects. ⋯ Inter and intratester reliability was supported for both the VR-based and the conventional methods. Results suggest better repeatability for the VR method, with rotation being more precise than flexion/extension. A single VR session was found to be effective in increasing cervical motion, possibly due to its motivating effect.
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This study is to investigate the changes of vasomotion of intraradicular microvessels in vivo. ⋯ Perivascular nerve plexuses around intraradicular microvessels suggest that the autonomic nerves play an important role in intraradicular circulation.