Evaluation of headache.
D001932:Brain Neoplasms / Q000150:complications / Q000000981:diagnostic imaging; D006261:Headache / Q000000981:diagnostic imaging / Q000209:etiology*; D006801:Humans; D006849:Hydrocephalus / Q000150:complications / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed