Multiple Sclerosis: Central Nervous System
Multiple sclerosis (MS) is a chronic, inflammatory, autoimmune disease of the central nervous system; it is characterized by demyelination of axons in the brain and spinal cord, with axonal damage or destruction. 1 MS affects predominately patients aged 20-40 years. The symptoms of MS vary, depending in part on the location of lesions within the CNS. Common symptoms include sensory disturbances in the limbs, optic nerve dysfunction, pyramidal tract dysfunction, bladder or bowel dysfunction, sexual dysfunction, ataxia, and diplopia.2 Although there is large variability in symptom manifestation and disease progression, MS is still the most common cause of non- traumatic disability in young adults and is associated with an average reduction in