Single Photon Emission Computer Tomography

 Single-photon emission computerized axial tomography (SPECT, or less unremarkably, SPET) may be a medicine tomographic imaging technique mistreatment gamma rays.[1] it's terribly like standard medicine flattened imaging employing a gamma camera (that is, scintigraphy),[2] however is ready to supply true 3D info. This info is usually conferred as cross-sectional slices through the patient, however will be freely reformatted or manipulated as needed.   The technique desires delivery of a gamma-emitting isotope (a radionuclide) into the patient, usually through injection into the blood. from time to time, the isotope may be a straightforward soluble dissolved particle, like AN atom of gallium(III). Most of the time, though, a marker isotope is hooked up to a selected matter to form a radioligand, whose properties bind it to sure sorts of tissues. This wedding permits the mix of matter and pharmaceutical to be carried and sure to an area of interest within the body, wherever the matter concentration is seen by a gamma camera. Single gauge boson emission computerized axial tomography (SPECT) may be a medical imaging technique that's supported standard medicine imaging and tomographic reconstruction ways. the photographs mirror useful info regarding patients like that obtained with antielectron emission imaging (PET). each SPECT and PET (see Chapter 6) provide info supported the spatial concentration of injected radiopharmaceuticals, in distinction to the opposite medical imaging modalities used for clinical diagnostic functions.

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