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SPINAL CORD COMPRESSION DUE TO HERNIATED THORACIC INTERVERTEBRAL DISKS Kinjiro Iwata 1,2 , Masamitsu Nakajima 1,2 , Kiyoshi Oba 3 1Department of Surgery Nagoya University 3Ekisaikai Nagoya Hospital pp.843-849
Published Date 1970/7/1
DOI https://doi.org/10.11477/mf.1406202755
  • Abstract
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Two cases of spinal paralysis due to herniated thoracic disks are described, 1) T4 and 2) T8 and T10. Both patients were middle aged women who developed spastic paraplegia following sensory paral-ysis of the lower half of the body for about two weeks' duration.

No attempt was made to excise these calcified disks, but wide decompressive procedure was done in which the spinal cord was compressed in the midline ventrally, and excellent recovery was obtain-ed in both patients with almost normal spinal func-tion.

Emphasis was made not to overlook this condition although it was considered rare incidence in the literature. Early diagnosis and early relief of spinal compression provids the good prognosis. Literatures about thoracic disk myelopathy were reviewed and neurological discussion was made, while cervical spondylotic myelopathy gives rises to spasticity of lower limbs with early involvement of corticospinal tract in pathogenesis, thoracic myelopathy involves the spinothalamic tract first, then advances rapidly to spinal paralysis once cortio-spinal tract involve-ment began. When pyramidal sign develops, surgi-cal relief of the thoracic cord compression should be considered on emergency basis, as in thoracic myelopathy, cord is involved from ventral portion in order.

On diagnosis, lateral tomography of thoracic spine is helpful and as for treatment, wide decompressive procedure can provide satisfactory recovery.


Copyright © 1970, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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