In a clinical contest, it is common to use dedicated phantoms to perform quality assurance test to check the performance of a SPECT system. Some of these phantoms are also used to calibrate the system for dosimetric evaluation of patients undergoing radiometabolic cancer therapy. In this work, a 3D-OSEM reconstructed Lu-177 SPECT dataset of a homogeneous cylindrical phantom is described. This dataset was acquired to investigate the variation of the SPECT calibration factor, counts convergence, noise and uniformity by varying the number of subsets and iterations. In particular, the dataset is composed of images reconstructed using five different numbers of subsets and sixteen different numbers of iterations, for a total of 80 different configurations. The dataset is suitable for comparison with other reconstruction algorithms (e.g. FBP, MLEM, etc.) and radionuclides (e.g. technetium, yttrium). In regards to the uniformity issue, the same dataset allows the user to perform radiomic investigations on the influence of the border effect on the reconstructed images.

Reconstructed SPECT images of 177Lu homogeneous cylindrical phantom used for calibration and texture analysis / Mezzenga E.; Piccinini F.; Loi E.; Belli M.L.; Sarnelli A.. - In: SCIENTIFIC DATA. - ISSN 2052-4463. - ELETTRONICO. - 9:1(2022), pp. 412.1-412.5. [10.1038/s41597-022-01535-8]

Reconstructed SPECT images of 177Lu homogeneous cylindrical phantom used for calibration and texture analysis

Mezzenga E.;Piccinini F.;
2022

Abstract

In a clinical contest, it is common to use dedicated phantoms to perform quality assurance test to check the performance of a SPECT system. Some of these phantoms are also used to calibrate the system for dosimetric evaluation of patients undergoing radiometabolic cancer therapy. In this work, a 3D-OSEM reconstructed Lu-177 SPECT dataset of a homogeneous cylindrical phantom is described. This dataset was acquired to investigate the variation of the SPECT calibration factor, counts convergence, noise and uniformity by varying the number of subsets and iterations. In particular, the dataset is composed of images reconstructed using five different numbers of subsets and sixteen different numbers of iterations, for a total of 80 different configurations. The dataset is suitable for comparison with other reconstruction algorithms (e.g. FBP, MLEM, etc.) and radionuclides (e.g. technetium, yttrium). In regards to the uniformity issue, the same dataset allows the user to perform radiomic investigations on the influence of the border effect on the reconstructed images.
2022
Reconstructed SPECT images of 177Lu homogeneous cylindrical phantom used for calibration and texture analysis / Mezzenga E.; Piccinini F.; Loi E.; Belli M.L.; Sarnelli A.. - In: SCIENTIFIC DATA. - ISSN 2052-4463. - ELETTRONICO. - 9:1(2022), pp. 412.1-412.5. [10.1038/s41597-022-01535-8]
Mezzenga E.; Piccinini F.; Loi E.; Belli M.L.; Sarnelli A.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/897572
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