The objective of this study is to retrospectively analyze and compare the long-term clinical and radiographic results of multi-level laminoplasty to multi-level laminectomy and fusion for the treatment of patients with cervical myelopathy or myeloradiculopathy.

Inclusion Criteria:

• Patients aged at least 18 years
• The patient has the diagnosis of degenerative cervical myelopathy
• The myelopathy or myeloradiculopathy requires a posterior cervical decompression of the spinal canal involving two or more contiguous intervertebral levels including and between C3 and C7
• More than five years of follow-up time

Exclusion Criteria:

• Presence of primary focal anterior compression of the cervical spinal cord
• Previous surgery of the cervical spine
• Tumor, infection, or trauma of the cervical spine or cord
• Patients with ankylosing spondylitis
• Patients with neurodegenerative diseases, or any neuropathies

Patients who underwent cervical laminoplasty or laminectomy and fusion surgery due to degenerative cervical myelopathy in our hospital from January 1, 2005 to January 1, 2015 were screened and included according to the eligibility criteria.