Myelopathy is a condition caused by pressure placed on the spinal cord. This condition can cause a loss of nerve function anywhere below the affected area along the spine. Myelopathy is regarded as a medical emergency and should be diagnosed quickly with treatment to prevent long-term damage. Myelopathy can occur from disc herniation, bone spurs, spinal stenosis or injury. Myelopathy can also occur from the normal wear and tear of aging..