Abstract
Infantile idiopathic scoliosis is a structural scoliosis seen in infants, usually boys, with the major curve to the left in almost all cases, and almost invariably in the mid-or lower thoracic region. It occasionally disappears, but in general the curve tends to increase. In the absence of any discoverable etiology it is termed "idiopathic" and it is believed not to differ in essentials from the more common adolescent scoliosis.
Lumbar idiopathic scoliosis has a good prognosis as to deformity, but leads more often than any other curvature to degenerative arthritis and pain in later life.