title: [Occipitalization of the atlas (Wackenheim III), basilar impression, chiari malformation (I) and paracondyloid process].
mesh_terms: D001139:Arnold-Chiari Malformation / Q000000981:diagnostic imaging*; D001270:Cervical Atlas / Q000002:abnormalities*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009777:Occipital Bone / Q000002:abnormalities*; D010985:Platybasia / Q000000981:diagnostic imaging*; D011859:Radiography