Morahan, A;
Erlandsson, K;
Dickson, J;
D'Adda, I;
Carminati, M;
Fiorini, C;
Hutton, BF;
(2022)
Implications of the Partial Ring Design for a Clinical SPECT Insert.
In:
2021 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC).
IEEE: Piscataway, NJ, USA.
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Abstract
The INSERT system is a stationary SPECT insert designed for clinical SPECT/MRI. The system has been evaluated as a standalone SPECT scanner and here the image reconstruction is evaluated to determine the implications of its design. A two-step image acquisition can be implemented to overcome the limitations of the partial ring design. The image quality and activity linearity are evaluated through a set of point sources and vials of varying activity concentration. The evaluation highlighted areas where image reconstruction and data processing needed to improve before proceeding to simultaneous SPECT/MRI acquisitions. We have shown that the proposed dual acquisition method can produce improved image quality through the use of modified data acquisition and reconstruction protocols.
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