title: Cervicobasilar relationships.
abstract: It is prudent to apply several methods of evaluation of cervicobasilar relationships in basilar impression and, in suggestive cases, to use tomographic evaluation for complete study. This discussion reviews normal cervicobasilar relationships and illustrates selected pathologic processes that produce basilar impression.
mesh_terms: D000130:Achondroplasia / Q000150:complications / Q000000981:diagnostic imaging; D001943:Breast Neoplasms / Q000150:complications / Q000000981:diagnostic imaging; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging*; D005260:Female; D005539:Foramen Magnum / Q000000981:diagnostic imaging; D006801:Humans; D008416:Mastoid / Q000000981:diagnostic imaging; D009362:Neoplasm Metastasis; D009777:Occipital Bone / Q000002:abnormalities / Q000000981:diagnostic imaging*; D010001:Osteitis Deformans / Q000150:complications / Q000000981:diagnostic imaging; D010985:Platybasia / Q000000981:diagnostic imaging* / Q000209:etiology; D011859:Radiography; D012887:Skull Fractures / Q000150:complications / Q000000981:diagnostic imaging; D012888:Skull Neoplasms / Q000150:complications / Q000000981:diagnostic imaging