Spondylitis and posterior longitudinal ligament ossification in the cervical spine.
D000328:Adult; D001415:Back; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging; D006801:Humans; D008022:Ligaments; D008297:Male; D009999:Ossification, Heterotopic / Q000150:complications* / Q000000981:diagnostic imaging; D011859:Radiography; D013167:Spondylitis, Ankylosing / Q000150:complications*