Respuesta :
Spect is a:
b. Technique using a radioactive substance and a computer to create three-dimensional images
About SPECT:
The nuclear medicine tomographic imaging technique known as single-photon emission computed tomography (SPECT, or less frequently, SPET) uses gamma rays. It is extremely comparable to scintigraphy, or standard nuclear medicine planar imaging utilizing a gamma camera, but is able to deliver genuine 3D data. Although generally shown as cross-sectional slices across the patient, this information is flexible and can be displayed or handled anyway is necessary.
The procedure calls for administering a radionuclide—a gamma-emitting radioisotope—to the patient, typically via injection into the bloodstream. Sometimes the radioisotope is a straightforward soluble dissolved ion, such an isotope of gallium (III). The majority of the time, however, a radioligand is created by joining a marker radioisotope to a particular ligand, and this radioligand has the ability to bind to particular tissues. This union enables the transport and binding of the radiopharmaceutical and ligand to a site of interest in the body, where a gamma camera can detect the presence of ligand.
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