Cervical myelopathy means the spinal cord in the neck is being squeezed. It is most often caused by advanced cervical spondylosis — a combination of bulging discs, bone spurs and thickened ligaments narrowing the canal the cord runs through.
Unlike ordinary neck pain, this is a condition of the spinal cord itself, and cord damage does not fully recover once established. That is why it is one of the few spine problems where doctors recommend surgery early rather than as a last resort.
Because it starts slowly and neck pain may be mild or absent, it is frequently missed. Many patients are treated for months for “weakness” or “old age” before the neck is examined.
The symptoms come from the cord, so they affect the hands and legs more than the neck:
The cervical canal can be narrowed by: degenerative changes of spondylosis (the commonest cause in patients over 50); a large central disc herniation; ossification of the posterior longitudinal ligament (OPLL), which is relatively common in Asian populations; a congenitally narrow canal; rheumatoid arthritis affecting the upper neck; or, rarely, tumours and infections such as spine TB.
Diagnosis is by clinical examination (brisk reflexes, characteristic hand and gait signs) and an MRI of the cervical spine, which shows the degree of cord compression and any signal change within the cord.
A small group of patients with mild symptoms that are not changing can be observed closely, with:
Any worsening — even slight — is a reason to move to surgery. Neck manipulation and traction should be avoided.
For moderate or progressive myelopathy, surgery to decompress the spinal cord is the treatment of choice, and results are best when done before the cord is severely damaged. Depending on the levels involved and the shape of the neck, Dr Batra performs:
The aim is to stop further loss of function; most patients also regain a good part of what was lost, especially hand function and walking. Several of the patient stories on this site — bedridden patients walking again after cervical surgery — are cases of myelopathy treated in time.