頚椎後縦靱帯骨化症に対する oblique transcorporeal approach

概要

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The authors have used the technique called the oblique transcorporeal approach to achieve spinal cord decompression in four patients with ossification of the posterior longitudinal ligament. The procedure consists of posterior displacement of the vertebral artery and obliquely drilling out the postero-lateral part of the vertebral bodies and intervertebral discs up to the beginning of the contralateral nerve root. This technique permits easy access to the anterior aspect of the spinal cord from the antero-lateral direction, and safe removal of ossification of the posterior longitudinal ligament. Because most of the disc is undisturbed, it does not require bone fusion or postoperative immobilization. The surgical results have been excellent, with all cases showing marked improvement of their neurological signs, and no spinal instability developing over the follow up period of from 6 months to three years. The details of this approach are described and the advantage of this technique over the anterior or posterior approach is discussed.
日本脊髄外科学会の論文
1998-11-30