Effects of arm truncation on the appearance of the halo artifact in 68Ga-PSMA-11 (HBED-CC) PET/MRI

Effects of arm truncation on the appearance of the halo artifact in 68Ga-PSMA-11 (HBED-CC) PET/MRI Eur J Nucl Med Mol Imaging (2017) 44:1636–1646 DOI 10.1007/s00259-017-3718-0 ORIGINAL ARTICLE Effects of arm truncation on the appearance of the halo artifact in Ga-PSMA-11 (HBED-CC) PET/MRI 1,2 3 1,2 4 Ali Afshar-Oromieh & Maya Wolf & Uwe Haberkorn & Marc Kachelrieß & 3 5 3 3 Regula Gnirs & Klaus Kopka & Heinz-Peter Schlemmer & Martin T. Freitag Received: 6 February 2017 /Accepted: 27 April 2017 /Published online: 15 May 2017 Springer-Verlag Berlin Heidelberg 2017 Abstract then compared with respect to tumor detection and tumor Purpose PSMA ligand imaging with hybrid PET/MRI scan- uptake (SUV) as well as the presence and intensity of the halo ners could be an integral part of the clinical routine in the artifact. The Wilcoxon signed rank test was used to determine future. However, the first study about this novel method re- statistical differences including Bonferroni correction. vealed a severe photopenic artifact (Bhalo artifact^)around the Results The halo was significantly reduced if the arms were urinary bladder causing significantly reduced tumor visibility. elevated. Lesions inside the halo artifact (n = 16) demonstrat- The aim of this evaluation was to analyze the role of arm ed significantly increased SUVmean (p = 0.0007) and truncation http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Journal of Nuclear Medicine and Molecular Imaging Springer Journals

Effects of arm truncation on the appearance of the halo artifact in 68Ga-PSMA-11 (HBED-CC) PET/MRI

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Springer Berlin Heidelberg
Copyright © 2017 by Springer-Verlag Berlin Heidelberg
Medicine & Public Health; Nuclear Medicine; Imaging / Radiology; Orthopedics; Cardiology; Oncology
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