title: [Congenital os odontoideum presenting with delayed myelopathy and severe orthostatic hypotension].
mesh_terms: D000368:Aged; D001342:Autonomic Nervous System Diseases / Q000209:etiology; D001368:Axis, Cervical Vertebra; D006801:Humans; D007024:Hypotension, Orthostatic / Q000209:etiology*; D008297:Male; D009809:Odontoid Process; D013118:Spinal Cord Diseases / Q000209:etiology*; D013122:Spinal Diseases / Q000150:complications / Q000151:congenital