Adolescent idiopathic scoliosis

Rule-in criteria

• Scoliometer measurement of >5°[Figure caption and citation for the preceding image starts]: Scoliometer measurement of a right thoracic prominenceWeinstein SL, et al. Adolescent idiopathic scoliosis. Lancet. 2008;371:1527-1537. Used with permission [Citation ends].

• Cobb angle measurement, of a major structural curve, of >10° (cut-off based on natural history studies and evaluation of curve progression rates)[1]Parent S, Newton PO, Wenger DR. Adolescent idiopathic scoliosis: etiology, anatomy, natural history, and bracing. Instr Course Lect. 2005;54:529-36. http://www.ncbi.nlm.nih.gov/pubmed/15948477?tool=bestpractice.com [15]Kesling KL, Reinker KA. Scoliosis in twins. A meta-analysis of the literature and report of six cases. Spine. 1997 Sep 1;22(17):2009-14. http://www.ncbi.nlm.nih.gov/pubmed/9306532?tool=bestpractice.com [Figure caption and citation for the preceding image starts]: Posteroanterior scoliosis radiograph of a 13-year-old girl with a 49° right thoracic curvature with apex at the T9-T10 disc spaceFrom the collection of Stuart Weinstein, MD, University of Iowa; used with permission [Citation ends].[Figure caption and citation for the preceding image starts]: Lateral scoliosis radiograph of a 13-year-old girl with a 49° right thoracic curvatureFrom the collection of Stuart Weinstein, MD, University of Iowa; used with permission [Citation ends].

• Absence of other possible cause for the spinal deformity.