SRS-Schwab classification
Adult spinal deformity Coronal Curve Types T: Thoracic only with lumbar curve < 30° L: Thoracolumbar (TL) / Lumbar only with thoracic curve < 30° D: Double Curve with T and TL/L curves > 30° N: No Major Coronal Deformity all coronal curves < 30° Sagittal Modifiers PI-LL (Pelvic Incidence minus Lumbar Lordosis)
(SVA = sagittal vertical axis)
Reference Terran J, Schwab F, Shaffrey CI, Smith JS, Devos P, Ames CP, et al. The SRS-Schwab Adult Spinal Deformity Classification. Neurosurgery. 2013 Oct;73(4):559-68. |