1. Editorial

   • John E. Lonstein

   Editorial 30 December 2018 Pages: 1 - 1

2. The True Ponte Osteotomy: By the One Who Developed It

   • Alberto Ponte
   • Giuseppe Orlando
   • Gian Luigi Siccardi

   Special Article 30 December 2018 Pages: 2 - 11

3. Biomechanical Simulation of Stresses and Strains Exerted on the Spinal Cord and Nerves During Scoliosis Correction Maneuvers

   • Juan Henao
   • Hubert Labelle
   • Carl-Éric Aubin

   Biomechanics 30 December 2018 Pages: 12 - 19

4. Pedicle Screw With Increased Cortical Purchase Can Be Inserted With Same Accuracy as the Screw in Straightforward Trajectory Using 3D Modeling Landmarks

   • Michal Szczodry
   • Giovanni F. Solitro
   • Priyesh Patel

   Case Series 30 December 2018 Pages: 20 - 27

5. Factors Predictive of Outcomes in Vertebral Body Stapling for Idiopathic Scoliosis

   • Patrick J. Cahill
   • Michael Auriemma
   • Randal R. Betz

   Case Series 30 December 2018 Pages: 28 - 37

6. Preventing Distal Junctional Kyphosis by Applying the Stable Sagittal Vertebra Concept to Selective Thoracic Fusion in Adolescent Idiopathic Scoliosis

   • Joshua Yang
   • Lindsay M. Andras
   • David L. Skaggs

   Case Series 30 December 2018 Pages: 38 - 42

7. Comparison of Percentile Weight Gain of Growth-Friendly Constructs in Early-Onset Scoliosis

   • Liam R. Harris
   • Lindsay M. Andras
   • Growing Spine Study Group

   Case Series 30 December 2018 Pages: 43 - 47

8. Metal Ion Release During Growth-Friendly Instrumentation for Early-Onset Scoliosis: A Preliminary Study

   • Caglar Yilgor
   • Ayaz Efendiyev
   • Muharrem Yazici

   Case Series 30 December 2018 Pages: 48 - 53

9. Youth and Experience: The Effect of Surgeon Experience on Outcomes in Cerebral Palsy Scoliosis Surgery

   • Patrick J. Cahill
   • Amer F. Samdani
   • Harms Study Group

   Case Series 30 December 2018 Pages: 54 - 59

10. Adult Spinal Deformity Knowledge in Orthopedic Spine Surgeons: Impact of Fellowship Training, Experience, and Practice Characteristics

    • Zachary J. Grabel
    • Robert A. Hart
    • Alan H. Daniels

    Case Series 30 December 2018 Pages: 60 - 66

11. Health-Related Quality of Life Scores Underestimate the Impact of Major Complications in Lumbar Degenerative Scoliosis Surgery

    • Steven D. Glassman
    • Keith H. Bridwell
    • Leah Y. Carreon

    Case Series 30 December 2018 Pages: 67 - 71

12. S2 Alar Iliac Fixation in Long Segment Constructs, a Two- to Five-Year Follow-up

    • Evan J. Smith
    • Justin Kyhos
    • Joseph O’Brien

    Case Series 30 December 2018 Pages: 72 - 78

13. SRS-22R Minimum Clinically Important Difference and Substantial Clinical Benefit After Adult Lumbar Scoliosis Surgery

    • Leah Y. Carreon
    • Michael P. Kelly
    • Keith H. Bridwell

    Case Series 30 December 2018 Pages: 79 - 83

14. Posterior-Only Vertebral Column Resection for Fused Spondyloptosis

    • Jeffrey L. Gum
    • Lawrence G. Lenke
    • Michael P. Kelly

    Case Series 30 December 2018 Pages: 84 - 95

15. Letter to the Editor Concerning: Altaf, F., Drinkwater, J., Phan, K., Cree, A.K. Spine Deformity 5(2017):308–309

    • Daniel Y. T. Fong
    • Chun-fan Lee
    • Keith D. K. Luk

    Letter to the Editor 30 December 2018 Pages: 96 - 96

16. Reply to: Concerning: Altaf, F., Drinkwater, J., Phan, K., Cree, A.K. Spine Deformity 2017;5:303–309

    • Farhaan Altaf

    Letter to the Editor 30 December 2018 Pages: 96 - 97

17. Letter to the Editor concerning: Crawford 3rd CH, Larson N, Gates M, et al Spine Deformity 5(2017):284–302

    • Robert William Gaines

    Letter to the Editor 30 December 2018 Pages: 97 - 97

18. Reply to: Concerning: Crawford 3rd CH, Larson N, Gates M, et al Spine Deformity 5(2017):284–302

    • Charles H. Crawford III
    • James O. Sanders
    • Douglas C. Burton

    Letter to the Editor 30 December 2018 Pages: 97 - 98