a: 16 year old boy with Lenke 2a curve. b: 51 degree primary curve stretches to 38 degrees from T7 to T12. c: correction of scoliotic deformity 3 mos. post “bone-on-bone” correction. d: rotational correction 4 years post-op. e. balance restored in AP and lateral planes by short-segment “bone-on-bone” approach.