Dr. Hamid Hassanzadeh, Director of Orthopaedic Surgery in the National Capital Region, answers commonly asked questions about spine surgery. #SpineSurgery #JohnsHopkins #DCMetro Learn more at http://www.hopkinsmedicine.org/ortho/dc When is spine surgery needed? 0:02 What is the goal of spine surgery? 1:01 What is adult spinal deformity (ASD) 1:30 What is a laminectomy? 2:05 What is a discectomy? 2:19 What is cervical radiculopathy? 2:35 What is anterior cervical decompression fusion (ACDF)? 3:02 What is lumbar spinal fusion? 3:25 What is sciatica? 3:41