[Atlanto-axial and occipito-atlantal dislocation in Down's syndrome].
D000293:Adolescent; D000328:Adult; D001268:Atlanto-Axial Joint / Q000293:injuries*; D001269:Atlanto-Occipital Joint / Q000293:injuries*; D002648:Child; D002675:Child, Preschool; D004314:Down Syndrome / Q000150:complications*; D005260:Female; D006801:Humans; D004204:Joint Dislocations / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D008297:Male; D009460:Neurologic Examination; D011859:Radiography