Morphometric analysis of the thoracic and lumbar spine in Japanese on the use of pedicle screws

Kenya Nojiri, Morio Matsumoto, Kazuhiro Chiba, Yoshiaki Toyama

研究成果: Article査読

29 被引用数 (Scopus)

抄録

The pedicle screw and hook have become popular instruments in treating spinal deformity and disease. This study gathered morphological data on thoracic and lumbar spines in a Japanese population that should serve as useful reference for posterior instrumentation surgery. One hundred and three dry bones were used to investigate the morphology of pedicle and facet in thoracic and lumbar spines. Measurements included the diameter and axial length of pedicle from T8 to L5, height and width of facets and thickness of articular processes from T1 to T12, and axial angle of pedicle from T1 to L5. The diameter and axial length of pedicle were smallest at T8, diameter was largest at L5 and axial length was largest at L3. Height of facets and thickness of articular processes were largest at T12. Men tended to have larger pedicles and facets than women. Transverse angle of pedicle was smallest at T12. These precise data may provide useful information when performing posterior instrumentation surgery and when developing new spinal implant systems for Asians.

本文言語English
ページ(範囲)123-128
ページ数6
ジャーナルSurgical and Radiologic Anatomy
27
2
DOI
出版ステータスPublished - 2005 4月

ASJC Scopus subject areas

  • 解剖学
  • 外科
  • 病理学および法医学
  • 放射線学、核医学およびイメージング

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