Implications of the Partial Ring Design for a Clinical SPECT Insert

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 limi...

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Bibliographic Details
Published in2021 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC) pp. 1 - 3
Main Authors Morahan, Ashley, Erlandsson, Kjell, Dickson, John, D'Adda, Ilenia, Carminati, Marco, Fiorini, Carlo, Hutton, Brian F
Format Conference Proceeding
LanguageEnglish
Published IEEE 16.10.2021
Subjects
Data acquisition
Data processing
Image quality
Image reconstruction
Linearity
Protocols
Single photon emission computed tomography
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Summary: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.
ISSN:2577-0829
DOI:10.1109/NSS/MIC44867.2021.9875833