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Objective.To investigate the efficacy of pedicle screw instrumentation in correcting spinal deformity in patients with quadriplegic cerebral palsy.Also to assess quality of life and functional improvement after deformity correction as perceived by the parents of our patients.Background Data.All pedicle screw constructs have been commonly used to correct adolescent idiopathic scoliosis.There is limited information on their effectiveness in treating patients with cerebral palsy and neuromuscular scoliosis.