Characteristics Lateral curvature of the spine. Victims One in 10 persons will have Scoliosis. Two to three persons in every 1000 will need active treatment for a progressive condition. In one out of every 1000 cases, surgery may be necessary. Eighty percent of Scoliosis] have unknown causes or idiopathic Scoliosis appears genetic and affects more girls than boys. Symptoms prominent shoulder blade uneven hip and shoulder levels unequal distance between arms and body clothes that do not "hang right." Treatment Spinal curvature is best dealt with when a young person's body is still growing and can respond to treatments, such as a body brace. Mild cases may not need treatment, but must be monitored.