[Rare dysplasia of the first 2 cervical vertebrae].
D000293:Adolescent; D001269:Atlanto-Occipital Joint / Q000002:abnormalities*; D001368:Axis, Cervical Vertebra / Q000002:abnormalities*; D001270:Cervical Atlas / Q000002:abnormalities*; D005260:Female; D006801:Humans
Displasia rara delle prime due vertebre cervicali.