spondylotic myelopathy definition
Cervical Spondylotic Myelopathy (Spinal Cord Compression) Cervical spondylotic myelopathy (CSM) is a neck condition that arises when the spinal cord becomes compressedâor squeezedâdue to the wear-and-tear changes that occur in the spine as we age. The condition commonly occurs in patients over the age of 50.