[Pseudo-achondroplasia associated with atlanto-axial dislocation].
D000130:Achondroplasia / Q000150:complications*; D000293:Adolescent; D001268:Atlanto-Axial Joint / Q000293:injuries*; D004392:Dwarfism / Q000150:complications; D006801:Humans; D004204:Joint Dislocations / Q000150:complications*; D008297:Male