title: [A case of a foramen magnum tumor--value of coronal section in metrizamide myelography].
mesh_terms: D002574:Cervical Vertebrae / Q000000981:diagnostic imaging; D005539:Foramen Magnum; D006801:Humans; D008297:Male; D008577:Meningeal Neoplasms / Q000000981:diagnostic imaging*; D008793:Metrizamide; D008875:Middle Aged; D009192:Myelography; D009442:Neurilemmoma / Q000000981:diagnostic imaging*; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging*
chemical_list: D008793:Metrizamide