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- W2169752337 abstract "Summary form only received as follows: The authors are currently developing microPET II, a second-generation dedicated PET scanner for small animal imaging. The design goal is to achieve -1 mm/sup 3/ volumetric resolution, a larger axial field of view, and higher system sensitivity than the authors' original prototype system. To minimize development time and cost, Monte Carlo simulation was used to determine appropriate dimensions for the detector crystals and for the system geometry. Simulations of the existing microPET system were compared to its measured performance to estimate errors in the simulations. Measurements from a pair of prototype detectors (12/spl times//spl kappa/12 array of 1/spl times/1/spl times/10 mm LSO crystals) agreed well with the simulation and provided a validation of the system design. The chosen design for microPET II has 0.975/spl times/0.975/spl times/12.5 mm LSO crystals arranged in a ring of 7.2 cm radius, and a 4.83 cm axial field of view. These specifications provide a volumetric image resolution <1.05 mm3 within 10 mm radius from the CFOV. The absolute sensitivity is estimated to be 3.6 times that of the current microPET. With 2.7 times the axial field of view, microPET II will have up to 9.7 times the total efficiency of the existing microPET system for whole body studies in mice and rats." @default.
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- W2169752337 date "2002-11-11" @default.
- W2169752337 modified "2023-10-13" @default.
- W2169752337 title "System design for a 1 mm/sup 3/ resolution animal PET scanner: microPET II" @default.
- W2169752337 doi "https://doi.org/10.1109/nssmic.2000.949347" @default.
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