title: Posterior longitudinal ligament ossification myelopathy and hypothyroidism.
abstract: Two elderly white women with a long history of hypothyroidism and myelopathy showed ossification in posterior longitudinal ligament at their cervical spine. Case histories are presented and the reported association of PLLO with other conditions discussed.
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D007037:Hypothyroidism / Q000150:complications*; D008022:Ligaments / Q000473:pathology*; D009133:Muscular Atrophy / Q000209:etiology*; D009999:Ossification, Heterotopic / Q000150:complications / Q000601:surgery; D011859:Radiography; D013115:Spinal Canal / Q000000981:diagnostic imaging / Q000473:pathology; D013117:Spinal Cord Compression / Q000209:etiology*