Atlanto-axial dislocation with spinal cord compression in Down syndrome.
D001368:Axis, Cervical Vertebra / Q000293:injuries*; D001270:Cervical Atlas / Q000293:injuries*; D002648:Child; D004314:Down Syndrome / Q000150:complications*; D005260:Female; D006801:Humans; D004204:Joint Dislocations / Q000150:complications*; D013117:Spinal Cord Compression / Q000209:etiology*