SPECT vs PET
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Single photon emission computed tomography (SPECT) and Positron emission tomography (PET) are nuclear medicine imaging techniques which provide metabolic and functional information unlike CT and MRI.
They have been combined with CT and MRI to provide detailed anatomical and metabolic information.
Positron emission tomography (PET)
- very expensive
- uses positron emitting radioisotope (tracer)
- 18F
- better contrast and spatial resolution
Single-photon emission computed tomography (SPECT)
- lower cost
- uses gamma emitting radioisotope (tracer)
- technetium-99m
- iodine-123
- iodine-131
- less contrast and spatial resolution (c.f. PET)
-<p><strong><a title="Single photon emission computed tomography" href="/articles/single-photon-emission-computed-tomography">Single photon emission computed tomography (SPECT)</a> </strong>and <strong><a title="Positron emission tomography" href="/articles/positron-emission-tomography">Positron emission tomography (PET)</a> </strong>are nuclear medicine imaging techniques which provide metabolic and functional information unlike CT and MRI.</p><p>They have been combined with CT and MRI to provide detailed anatomical and metabolic information.</p><h5>Positron emission tomography (PET)</h5><ul>- +<p><strong><a href="/articles/single-photon-emission-computed-tomography">Single photon emission computed tomography (SPECT)</a> </strong>and <strong><a href="/articles/positron-emission-tomography">Positron emission tomography (PET)</a> </strong>are nuclear medicine imaging techniques which provide metabolic and functional information unlike CT and MRI.</p><p>They have been combined with CT and MRI to provide detailed anatomical and metabolic information.</p><h5>Positron emission tomography (PET)</h5><ul>
-</ul><h5><strong style="line-height:1.6em">Single-photon emission computed tomography (SPECT)</strong></h5><ul>- +</ul><h5>Single-photon emission computed tomography (SPECT)</h5><ul>
Tags changed:
- refs
- nuclear medicine
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