title: Bilateral partial aplasia of the atlas definitive treatment by bilateral anterior C1-C2 buttress fusion.
mesh_terms: D001270:Cervical Atlas / Q000002:abnormalities*; D002574:Cervical Vertebrae / Q000601:surgery*; D005260:Female; D006801:Humans; D008875:Middle Aged; D013123:Spinal Fusion / Q000379:methods*