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  • Title: Quadriplegia caused by cervical hyperextension injury and intramedullary spinal cord tumour: a case report of autopsy.
    Author: Fujimura Y, Watanabe M, Kihara M, Akasaka K.
    Journal: Injury; 1998 Jun; 29(5):377-9. PubMed ID: 9813683.
    Abstract:
    A 68-year-old male had neck pain and weakness of the left upper extremity after a fall. MRI showed severe cervical canal stenosis and a high signal intensity of the spinal cord on T2-weighted images extending from the medulla oblongata to the C7 level. Neurological examination showed left hemiparesis, bilateral sensory disturbance and a neurogenic bladder. He underwent expansive laminoplasty 5 weeks later. After the operation his neurological deficit improved and 6 weeks later he left the hospital. However, his neurological conditions became worse (quadriparesis) and he was admitted as an emergency 3 weeks later. Although MRI showed decompression of the spinal cord, the area of high signal intensity on T2-weighted images had extended. Quadriparesis was progressive and he died of dyspnea. Autopsy showed the presence of the intramedullary spinal cord tumor (anaplastic astrocytoma; C1-Th4). We could not detect the intramedullary spinal cord tumour on MRI before surgery because of severe canal stenosis and the history of trauma. The high spinal intensity on T2-weighted images was thought to be oedema or myelomalacia. This case illustrates the difficulty of correctly interpreting MRI in patients with severe canal stenosis.
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