A case of thoracic canal stenosis treated with a newly-designed full-circular spinal cord decompression.

概要

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Unlike with cervical and lumbar spinal lesions, posterior decompression of thoracic canal stenosis is not so effective because of physiological kyphosis of the thoracic spine, especially when a stenosing factor exists in the ventral part of the spinal canal. Our new method of full-circular decompression through a single posterior approach resolves this problem. After performing wide laminectomy at the affected levels, a long air-driven burr is introduced at each segment through the central spongiosa of the pedicle bilaterally into the vertebral bodies making a V-shaped canal in them. The posterior aspect of the vertebral bodies, the floating triangular bones, are pushed down anteriorly into the vertebral bodies and the spinal canal is ultimately enlarged.
日本関節病学会の論文