Surgical management options include extensive cervical laminectomy with or without an additional<unk>  arthrodesis, anterior decompression and arthrodesis, and<unk>  cervical laminoplasty. Treatment decisions can be made based on a grading systems devised by Hirabayashi et al., supplemented by the Nurick myelopathy classification system.
Ossification of the posterior longitudinal ligament
Ischemia-reperfusion injury of the appendicular musculoskeletal system
Humeral avulsion of the glenohumeral ligament
Protrusio acetabuli
Anterior vertebral body tethering
Discoid meniscus
Fibroma of tendon sheath
Posselt's envelope of motion