J Korean Orthop Assoc.  2001 Jun;36(3):253-258.

Surgical Treatment of Cervical Myelopathy Due to Soft Disc Herniation

  • 1Department of Orthopedic Surgery, Seoul Paik Hospital, Inje University, Seoul, Korea.


To analyze the characteristics and surgical results in cervical myelopathy patients caused by soft disc herniation.
From June 1997 to August 1998. The authors treated cervical myelopathy patients who had a soft disc herniation. We evaluated the symptoms and signs, simple X-rays, the MRI, the JOA score and Hirabayashi's recovery rate.
On simple X-ray, the narrowest A-P diameter was 13 mm, as the average was 14.9 mm, and no bony structural stenosis was found. On MRI, the average of the cord compression was 2.92 mm, and the average A-P compression ratio was 40.2%. An intermediate to high signal change in the cord was found in 8 cases. All patients improved after surgery and the average Hirabayashi's recovery rate was 61.1%.
If, cord compression due to posterior soft disc herniation is severe, patients can have cervical myelopathy. Lateral disc herniation can also be a cause of cervical myelopathy. Cervical myelopathy due to soft disc herniation can be treated with a good results by using an anterior discectomy and interbody fusion method.


Cervical spine; Soft disc herniation; myelopathy; Anterior interbody fusion
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