1. Note from the Editor-in-Chief

   • John E. Lonstein

   EditorialNotes 30 December 2013 Pages: 1 - 1

2. Contributions of Remodeling and Asymmetrical Growth to Vertebral Wedging in a Scoliosis Model

   • David D. Aronsson
   • Ian A. F. Stokes
   • Carole A. McBride

   OriginalPaper 30 December 2013 Pages: 2 - 9

3. Calcium Triglyceride Versus Polymethylmethacrylate Augmentation: A Biomechanical Analysis of Pullout Strength

   • Lindsay E. Hickerson
   • John R. Owen
   • H. Robert Tuten

   OriginalPaper 30 December 2013 Pages: 10 - 15

4. Accuracy and Reliability of Drawing Central Sacral Vertical Line on Scoliosis Radiographs in Clinical Practice

   • Dinesh Thawrani
   • Steven S. Agabegi
   • Peter F. Sturm

   OriginalPaper 30 December 2013 Pages: 16 - 20

5. Validity of Estimates of Intraoperative Blood Loss in Pediatric Spinal Deformity Surgery

   • James F. Mooney III
   • William R. Barfield

   OriginalPaper 30 December 2013 Pages: 21 - 24

6. Prediction of Curve Progression After Posterior Fossa Decompression in Pediatric Patients With Scoliosis Secondary to Chiari Malformation

   • Zezhang Zhu
   • Tao Wu
   • Yong Qiu

   OriginalPaper 30 December 2013 Pages: 25 - 32

7. Preoperative Halo-Gravity Traction for Severe Pediatric Spinal Deformity: Complications, Radiographic Correction and Changes in Pulmonary Function

   • Ljiljana Bogunovic
   • Lawrence G. Lenke
   • Scott J. Luhmann

   OriginalPaper 30 December 2013 Pages: 33 - 39

8. Does Thoracic Hypokyphosis Matter in Lenke Type 1 Adolescent Idiopathic Scoliosis?

   • Steven D. Glassman
   • Daniel J. Sucato
   • Lawrence G. Lenke

   OriginalPaper 30 December 2013 Pages: 40 - 45

9. Maintenance of Thoracic Kyphosis in the 3D Correction of Thoracic Adolescent Idiopathic Scoliosis Using Direct Vertebral Derotation

   • Satoru Demura
   • Burt Yaszay
   • Peter O. Newton

   OriginalPaper 30 December 2013 Pages: 46 - 50

10. Perioperative Outcomes and Complications of Pedicle Subtraction Osteotomy in Cases With Single Versus Two Attending Surgeons

    • Christopher P. Ames
    • Jeffrey J. Barry
    • Vedat Deviren

    OriginalPaper 30 December 2013 Pages: 51 - 58

11. Outcome of Revision Surgery in Pediatric Spine Deformity Patients

    • Mitsuru Yagi
    • Akilah B. King
    • Oheneba Boachie-Adjei

    OriginalPaper 30 December 2013 Pages: 59 - 67

12. Late Implant Removal After Posterior Correction of AIS With Pedicle Screw Instrumentation—A Matched Case Control Study With 10-Year Follow-up

    • Mazda Farshad
    • Christoph Sdzuy
    • Kan Min

    OriginalPaper 30 December 2013 Pages: 68 - 71

13. Delayed Tetraplegia After Thoracolumbar Scoliosis Surgery in Stuve-Wiedemann Syndrome

    • Javier Pizones
    • Paul D. Sponseller
    • Lorenzo Zúñiga

    OriginalPaper 30 December 2013 Pages: 72 - 78

14. Improvement of Kyphoscoliosis in a 9-Year-Old Using Growth Modulation With a Posterior Tether: A Case Report

    • Kira F. Skaggs
    • Karen S. Myung
    • David L. Skaggs

    OriginalPaper 30 December 2013 Pages: 79 - 83