What are the differences between scoliosis and multiple sclerosis?

Vast differences. Scoliosis is a curvature of spine which can be congenital, or associated with many childhood neuromuscular disorders as a secondary aspect, and is a bony deformity. MS is an autoimmune disorder which affects brain, spinal cord, and eyes, and involves an inflammatory attack upon these structures, but does NOT affect bony structures directly.
Much. Scoliosis is a spinal curve in the frontal plane multiple sclerosis is a unexplained neurological condition og th central nervous systemt hat can paralyze you ther only similarity is the names begin with s and words end in-isis.