Posterior longitudinal ligament ossification of cervical spine is a rare condition among caucasians. A 42 years old japanese patient with progressive walking difficulty was diagnosed with this pathology by CT scan and MRI and treated surgically by an anterior approach with arthrodesis. Pathophisiology, racial prevelence, clinical picture, radiological caractheristics and surgical approaches options are revised.
ossification posterior longitudinal ligament; laminectomy; laminoplasty; anterior approach
