Abstract
Although disc injury is common in cervical spinal fractures the mechanism of disc herniation in cervical fracture dislocations is not known. This study evaluated the pathogenesis of disc hernia in cervical fracture dislocations. Twenty-two patients who underwent anterior and posterior spinal fixation were studied. Findings of preoperative magnetic resonance imaging (MRI) were compared with surgical findings. During surgery, cervical disk hernia were found in six patients (27%), and the MRI findings of these patients were evaluated in detail. We concluded that the characteristic MRI findings of cervical disc hernia are as follows.1) discontinuity of injured disc2) anterior indentation of spinal cord at the site of dislocated vertebral body3) signal irregularity at the site of interspace between dislocated vertebral body and spinal cord.
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