title: [Ossification of the posterior longitudinal ligament].
abstract: Two asymptomatic, unusually young male patients aged 18 and 21 with ossification of the longitudinal posterior ligament of the cervical spine are presented. Geographical distribution, pathological and radiologic aspects of the disease are discussed together with those signs differentiating it from ankylosing spinal hyperostosis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002574:Cervical Vertebrae; D003937:Diagnosis, Differential; D006801:Humans; D008022:Ligaments; D008297:Male; D009999:Ossification, Heterotopic / Q000175:diagnosis / Q000000981:diagnostic imaging*; D013122:Spinal Diseases / Q000175:diagnosis; D013128:Spinal Osteophytosis / Q000175:diagnosis; D014056:Tomography, X-Ray
vernacular_title: Ossificazione del legamento longitudinale posteriore.