Computerized tomography of the head.
D001921:Brain / Q000000981:diagnostic imaging; D001927:Brain Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging*; D001932:Brain Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging*; D003936:Diagnosis, Computer-Assisted; D006257:Head / Q000000981:diagnostic imaging*; D006801:Humans; D008722:Methods; D011877:Radionuclide Imaging; D014056:Tomography, X-Ray