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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Multicenter Study
Differences in lumbar and pelvic parameters among African American, Caucasian and Asian populations.
Ethnic differences in spino-pelvic parameters among a healthy population are poorly defined in the literature. The purpose of this study was to document sagittal spino-pelvic parameters in a sample of African Americans and to compare them with previously reported data for Caucasians and Asians. ⋯ Significant differences in sagittal spino-pelvic parameters among races were seen. These differences should be considered when planning surgical reconstruction for spinal surgery. These slides can be retrieved under Electronic Supplementary Material.
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Multicenter Study
Post-operative regression of retro-odontoid pseudotumors treated with and without fusion.
Retro-odontoid pseudotumor is common in elderly people and is a cause of cervical myelopathy. The goal of the study was to investigate surgical procedures, outcomes, and post-operative spontaneous regression of posterior cervical retro-odontoid pseudotumors. ⋯ Regression of pseudotumor occurred in all cases treated with fusion surgery. There was a significant difference in pseudotumor regression with or without fusion, and regression was significantly related to gadolinium enhancement on MRI. Therefore, it is preferable to use fusion surgery for a retro-odontoid pseudotumor that shows contrast enhancement, even if there is no apparent instability pre-operatively. These slides can be retrieved under Electronic Supplementary Material.