The article presents a case study of a 16-year-old boy with severe congenital kyphosis. It mentions that the patient has undergone cast and physical therapy, causing spinal cord tethering and myelopathy. It says that T2-T5 and T8-T10 instrumentation with polyaxial pedicle screws and posterior spinal cord decompression were performed but the patient cannot move his legs after the procedures. Furthermore, information on paraplegia after correction of congenital kyphosis is presented.