title: [Congenital anomaly of the craniovertebral junction associated with chronic atlanto-axial dislocation].
mesh_terms: D000293:Adolescent; D000328:Adult; D001268:Atlanto-Axial Joint / Q000293:injuries*; D002574:Cervical Vertebrae / Q000002:abnormalities*; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005260:Female; D006801:Humans; D004204:Joint Dislocations / Q000209:etiology* / Q000628:therapy; D008297:Male; D008875:Middle Aged; D012886:Skull / Q000002:abnormalities*; D013117:Spinal Cord Compression / Q000209:etiology; D014143:Traction