The Journal of Medical Investigation
Online ISSN : 1349-6867
Print ISSN : 1343-1420
ISSN-L : 1343-1420
Originals
Radiographic comparison between male and female patients with lumbar spondylolysis
Shoichiro TakaoToshinori SakaiKoichi SairyoTadashi KondoJunji UenoNatsuo YasuiHiromu Nishitani
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JOURNAL FREE ACCESS

2010 Volume 57 Issue 1,2 Pages 133-137

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Abstract

We studied the lumbar spines of 117 adults (39 women and 78 men) with spondylolysis unrelated to low back pain using multidetector computed tomography (CT). Of the 117 subjects with spondylolysis, including five with multiple-level spondylolysis, there were 124 vertebrae with spondylolysis. In adult lumbar spines with unilateral spondylolysis, there was no significant difference between the incidence of spondylolisthesis in female and male subjects. However, in those with bilateral spondylolysis, there was a significantly higher incidence of spondylolisthesis in female subjects (90.9%) than in males (66.2%). Furthermore, females with bilateral spondylolysis had significant more slippage than males. Lumbar index and lumbar lordosis were not significantly different between male and female subjects, and did not significantly correlate with slippage. In conclusion, to treat acute spondylolysis in adolescents, it is important to obtain bony union at least unilaterally, especially in female subjects, to prevent further slippage. J. Med. Invest. 57: 133-137, February, 2010

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© 2010 by The University of Tokushima Faculty of Medicine
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