Absolute Quantification in Diagnostic SPECT/CT: The Phantom Premise

The application of absolute quantification in SPECT/CT has seen increased interest in the context of radionuclide therapies where patient-specific dosimetry is a requirement within the European Union (EU) legislation. However, the translation of this technique to diagnostic nuclear medicine outside...

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Main Authors: Stijn De Schepper, Gopinath Gnanasegaran, John C. Dickson, Tim Van den Wyngaert
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Diagnostics
Subjects:
Online Access:https://www.mdpi.com/2075-4418/11/12/2333
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author Stijn De Schepper
Gopinath Gnanasegaran
John C. Dickson
Tim Van den Wyngaert
author_facet Stijn De Schepper
Gopinath Gnanasegaran
John C. Dickson
Tim Van den Wyngaert
author_sort Stijn De Schepper
collection DOAJ
description The application of absolute quantification in SPECT/CT has seen increased interest in the context of radionuclide therapies where patient-specific dosimetry is a requirement within the European Union (EU) legislation. However, the translation of this technique to diagnostic nuclear medicine outside this setting is rather slow. Clinical research has, in some examples, already shown an association between imaging metrics and clinical diagnosis, but the applications, in general, lack proper validation because of the absence of a ground truth measurement. Meanwhile, additive manufacturing or 3D printing has seen rapid improvements, increasing its uptake in medical imaging. Three-dimensional printed phantoms have already made a significant impact on quantitative imaging, a trend that is likely to increase in the future. In this review, we summarize the data of recent literature to underpin our premise that the validation of diagnostic applications in nuclear medicine using application-specific phantoms is within reach given the current state-of-the-art in additive manufacturing or 3D printing.
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spelling doaj.art-f87188f94b2a4d198bd9e1c95afbc4332023-11-23T07:54:37ZengMDPI AGDiagnostics2075-44182021-12-011112233310.3390/diagnostics11122333Absolute Quantification in Diagnostic SPECT/CT: The Phantom PremiseStijn De Schepper0Gopinath Gnanasegaran1John C. Dickson2Tim Van den Wyngaert3Department of Nuclear Medicine, Antwerp University Hospital, 2650 Edegem, BelgiumDepartment of Nuclear Medicine, Royal Free London NHS, London NW3 2QG, UKInstitute of Nuclear Medicine, University College of London Hospitals NHS, London NW1 2BU, UKDepartment of Nuclear Medicine, Antwerp University Hospital, 2650 Edegem, BelgiumThe application of absolute quantification in SPECT/CT has seen increased interest in the context of radionuclide therapies where patient-specific dosimetry is a requirement within the European Union (EU) legislation. However, the translation of this technique to diagnostic nuclear medicine outside this setting is rather slow. Clinical research has, in some examples, already shown an association between imaging metrics and clinical diagnosis, but the applications, in general, lack proper validation because of the absence of a ground truth measurement. Meanwhile, additive manufacturing or 3D printing has seen rapid improvements, increasing its uptake in medical imaging. Three-dimensional printed phantoms have already made a significant impact on quantitative imaging, a trend that is likely to increase in the future. In this review, we summarize the data of recent literature to underpin our premise that the validation of diagnostic applications in nuclear medicine using application-specific phantoms is within reach given the current state-of-the-art in additive manufacturing or 3D printing.https://www.mdpi.com/2075-4418/11/12/2333absolute quantificationSPECT/CTphantomsdiagnostics3D printing
spellingShingle Stijn De Schepper
Gopinath Gnanasegaran
John C. Dickson
Tim Van den Wyngaert
Absolute Quantification in Diagnostic SPECT/CT: The Phantom Premise
Diagnostics
absolute quantification
SPECT/CT
phantoms
diagnostics
3D printing
title Absolute Quantification in Diagnostic SPECT/CT: The Phantom Premise
title_full Absolute Quantification in Diagnostic SPECT/CT: The Phantom Premise
title_fullStr Absolute Quantification in Diagnostic SPECT/CT: The Phantom Premise
title_full_unstemmed Absolute Quantification in Diagnostic SPECT/CT: The Phantom Premise
title_short Absolute Quantification in Diagnostic SPECT/CT: The Phantom Premise
title_sort absolute quantification in diagnostic spect ct the phantom premise
topic absolute quantification
SPECT/CT
phantoms
diagnostics
3D printing
url https://www.mdpi.com/2075-4418/11/12/2333
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