where do our data come from? positron emission tomography (pet)
TRANSCRIPT
Where do our data come from?
Positron Emission Tomography (PET)
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A quick introduction to dynamicPET
Photons!
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How to catch some photons?
Use a photon-catcher’s mitt
…or two
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Reconstruct caught photons…
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Photon Catcher - Small Animal Scanner
Opposing detector banks detect “coincidences” - emitted photon pairs
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CTI HR detectormodules
Pb shielding (front and rear)
fov = 23 cm
Hutchins, G & Rouze, N
Spatial Resolution: 2.5 mm FWHM at center of FOV
Rouze NC, Hutchins GD. Design and Characterization of IndyPET-II: A High Resolution, High Sensitivity Dedicated Research Scanner. IEEE Transaction on Nuclear Science, 2003. 50(5): p. 1491-1497
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Image over time…
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Create time-activity curves for each region of interest