β£What are 2 possibilities when you see an adult spine deformity? How to differentiate?β£What are the clinical issues?β£What lines are you measuring on the XR?β£How do you classify ASD?β£What are the indications of surgical correction?β£What are the surgical goals for this patient with adult spinal deformity?β£What is the most reliable predictor of clinical symptoms in ASD?β£What is the surgical strategy?β£What complications from scoliosis surgery?β£What are the challenges in degen scoliosis vs idiopathic scoliosis?