Where do our data come from? Positron Emission Tomography (PET)

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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

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