title: Ossification of the posterior longitudinal ligament of cervical spine with or without myelopathy.
mesh_terms: D000328:Adult; D000368:Aged; D002574:Cervical Vertebrae; D006801:Humans; D008022:Ligaments; D008297:Male; D008875:Middle Aged; D009999:Ossification, Heterotopic / Q000150:complications*; D013118:Spinal Cord Diseases / Q000150:complications*