Abstract
An evaluation of the image quality of the preclinical positron emission tomography scanner consisting of the SensL's SMT C-series silicon photomultiplier (SiPM) arrays coupled with double jaw layer lutetium-yttrium oxyorthosilicate (LYSO) crystals was achieved. The simulated data of a Jaszczak phantom filled with Na-22 and O-15 were compared with reconstructed data of the same phantom when it was filled with Na-22. Two different reconstruction methods were applied in order to visualize any positron range effects that occur within the phantom. The filtered back-projection (FBP) and ordered-subset expectation maximization (OSEM) algorithms provided useful information regarding the spatial resolution of the scanner, showing that these sensors can visually correct the structure of the phantom. The OSEM method appeared to be more reliable than FBP, even when a Compton correction was applied on the data.
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