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  • Title: Predictability of operative results of cervical compression myelopathy based on preoperative computed tomographic myelography.
    Author: Koyanagi T, Hirabayashi K, Satomi K, Toyama Y, Fujimura Y.
    Journal: Spine (Phila Pa 1976); 1993 Oct 15; 18(14):1958-63. PubMed ID: 8272943.
    Abstract:
    The transverse area and flattening ratio of the spinal cord were determined with preoperative computed tomographic myelography in 103 patients with cervical compression myelopathy: cervical spondylotic myelopathy (n = 44); ossification of the posterior longitudinal ligament (n = 39); and cervical disc herniation (n = 20). With these values and other clinical items (eg, age, duration of symptoms, preoperative severity), a linear model to predict postoperative recovery was attempted by multiple regression analysis. In cervical spondylotic myelopathy and ossification of the posterior longitudinal ligament, the transverse area of the spinal cord and the duration of symptoms were accepted as effective explanatory variables to predict recovery. In cervical disc herniation, regardless of the transverse area or duration, the recovery was good, and pathologic state was considered essentially different.
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