Spine
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A descriptive study of the sacral anatomic orientation (SAO) and its association with pelvic incidence (PI). ⋯ The newly suggested parameter (SAO) may be an important tool in defining the sagittal shape of the spine and understanding its association with spinal diseases.
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Prospective longitudinal study. OBJECTIVE.: To investigate, using magnetic resonance imaging (MRI), the influence of bed rest on the lumbopelvic musculature. ⋯ Bed rest resulted in selective atrophy of the multifidus muscle. An increased CSA of the trunk flexor musculature (increases in psoas, anterolateral abdominal, and rectus abdominis muscles) may reflect muscle shortening or possible overactivity during bed rest. Some of the changes resemble those seen in low back pain and may in part explain the negative effects of bed rest seen in low back pain sufferers.
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A retrospective study of consecutive ankylosing spondylitis (AS) patients with spinal pseudarthrosis. ⋯ SPO at the level of pseudarthrosis was a safe and effective technique to correct sagittal imbalance without vascular complication. Surgical repair of pseudarthrosis with AIF provided successful fusion and good clinical results. For patients with lumbar hypolordosis, additional PSO was effective in restoration of sagittal balance.
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The results for 37 surgical interventions in 31 consecutive patients with non-small cell lung cancer (NSCLC) with symptomatic spinal cord compression were reviewed retrospectively. ⋯ Even though lung cancer is considered an aggressive tumor, it is justifiable to aggressively treat patients with symptomatic spinal cord compression. Surgery by PTA can lead to good results in these patients.
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A retrospective study was performed through measurements on MRI images in adolescent idiopathic scoliosis (AIS) patients and age-matched adolescents. ⋯ Tonsillar ectopia with the extent >2 mm in AIS patients should be regarded as abnormal. AIS patients had a lower tonsil position and a higher prevalence of tonsillar ectopia than controls, and tonsillar ectopia was found to be associated with curve patterns. It is suggested that a lower position of the cerebellar tonsil might be associated with the etiopathogenesis of AIS and might contribute to subclinical neurologic dysfunction in AIS patients.