Semi-open portal spinal angioplasty

1. Cervical spondylosis involves more than three segmental lesions with spinal stenosis and spinal cord compression symptoms. 2. Patients with cervical spinal canal trauma or developmental stenosis who have symptoms of spinal cord compression, CT films show that the absolute value of the sagittal diameter of the spinal canal is less than 10mm. 3. The scattered or continuous posterior longitudinal ligament ossification has symptoms of spinal cord compression, and it is difficult to decompress in anterior surgery. 4. Patients with cervical spondylosis who have undergone anterior decompression and still have symptoms of spinal cord compression.

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