Emission computed tomography.
Emission computed tomography (CT) is a nuclear medicine visualization technique that yields an image of the distribution of a previously administered radionuclide in any desired transverse section of the body. Emission CT allows the safe, quantitative, three-dimensional measurement of regional radionuclide distribution in tissue. This approach is analogous to quantitative radioautography, with the added advantage of allowing in vivo studies.
D000328:Adult; D001812:Blood-Brain Barrier; D001921:Brain / Q000000981:diagnostic imaging* / Q000378:metabolism; D001923:Brain Chemistry; D001927:Brain Diseases / Q000000981:diagnostic imaging*; D002560:Cerebrovascular Circulation; D006801:Humans; D014057:Tomography, X-Ray Computed / Q000295:instrumentation / Q000379:methods