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To the Editor.—
I found the article "Hemiparesis in Cervical Spondylosis" by Wallack et al (236:2524, 1976) of interest, but I think the title is misleading. Hypertrophic spondylosis refers to the hypertrophic processes developing at the margins of the vertebral bodies as the result of chronic strain (and hence aging). These are seen most commonly and have their greatest development on the anterior and lateral aspects of the bodies, but it is that spondylosis arising from the posterior aspects of the bodies that contributes to encroachment on the spinal canal. Disc degeneration accompanied by narrowing of the disc space is commonly accompanied by spondylosis, but spondylosis frequently exists without disc narrowing. This is frequently seen in the thoracic and lumbar sections of the spine and to a lesser extent in the cervical region.In the illustrations accompanying the article, it is at once evident that the spondylosis, though present, is
March HC. Hemiparesis and Cervical Spondylosis. JAMA. 1977;238(2):126–127. doi:10.1001/jama.1977.03280020030006
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