In this technological report, we investigate the utility of whole-body diffusion-weighted MRI (WBDWI) as a prior for defining regions of interest (ROI) in PET data. Due to its comparatively high resolution and excellent lesion-to-background ratio, semi-automatic segmentation is possible in WBDWI. Following rigid registration of PET to WBDWI, a simple, fast and automatic algorithm can be used to define ROIs in PET data. This approach is applied to a test cohort of patients diagnosed with lymphoma who underwent both (18)FDG-PET/CT and WBDWI studies to demonstrate its potential application. (C) 2012 Elsevier B.V. All rights reserved.
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Univ Uppsala Hosp, Dept Radiol, Uppsala, SwedenUniv Uppsala Hosp, Dept Radiol, Uppsala, Sweden
Abdulqadhr, Goran
Molin, Daniel
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Univ Uppsala Hosp, Dept Oncol, S-75185 Uppsala, SwedenUniv Uppsala Hosp, Dept Radiol, Uppsala, Sweden
Molin, Daniel
Astrom, Gunnar
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Univ Uppsala Hosp, Dept Radiol, Uppsala, Sweden
Univ Uppsala Hosp, Dept Oncol, S-75185 Uppsala, SwedenUniv Uppsala Hosp, Dept Radiol, Uppsala, Sweden
Astrom, Gunnar
Suurkula, Madis
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Univ Uppsala Hosp, Dept Nucl Med, Uppsala, SwedenUniv Uppsala Hosp, Dept Radiol, Uppsala, Sweden
Suurkula, Madis
Johansson, Lars
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Univ Uppsala Hosp, Dept Radiol, Uppsala, SwedenUniv Uppsala Hosp, Dept Radiol, Uppsala, Sweden
Johansson, Lars
Hagberg, Hans
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Univ Uppsala Hosp, Dept Oncol, S-75185 Uppsala, SwedenUniv Uppsala Hosp, Dept Radiol, Uppsala, Sweden
Hagberg, Hans
Ahlstrom, Hakan
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Univ Uppsala Hosp, Dept Radiol, Uppsala, SwedenUniv Uppsala Hosp, Dept Radiol, Uppsala, Sweden
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Univ Piemonte Orientale, Maggiore della Carita Univ Hosp, Dept Radiol, Corso Mazzini 18, I-28100 Novara, ItalyUniv Piemonte Orientale, Maggiore della Carita Univ Hosp, Dept Radiol, Corso Mazzini 18, I-28100 Novara, Italy
Stecco, Alessandro
Buemi, Francesco
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Univ Piemonte Orientale, Maggiore della Carita Univ Hosp, Dept Radiol, Corso Mazzini 18, I-28100 Novara, ItalyUniv Piemonte Orientale, Maggiore della Carita Univ Hosp, Dept Radiol, Corso Mazzini 18, I-28100 Novara, Italy
Buemi, Francesco
Quagliozzi, Martina
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Univ Piemonte Orientale, Maggiore della Carita Univ Hosp, Dept Radiol, Corso Mazzini 18, I-28100 Novara, ItalyUniv Piemonte Orientale, Maggiore della Carita Univ Hosp, Dept Radiol, Corso Mazzini 18, I-28100 Novara, Italy
Quagliozzi, Martina
Lombardi, Mariangela
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Univ Piemonte Orientale, Maggiore della Carita Univ Hosp, Dept Radiol, Corso Mazzini 18, I-28100 Novara, ItalyUniv Piemonte Orientale, Maggiore della Carita Univ Hosp, Dept Radiol, Corso Mazzini 18, I-28100 Novara, Italy
Lombardi, Mariangela
Santagostino, Alberto
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St Andrea Hosp, Oncohaematol Dept, I-13100 Vercelli, ItalyUniv Piemonte Orientale, Maggiore della Carita Univ Hosp, Dept Radiol, Corso Mazzini 18, I-28100 Novara, Italy
Santagostino, Alberto
Sacchetti, GianMauro
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Univ Piemonte Orientale, Maggiore della Carita Univ Hosp, Dept Nucl Med, I-28100 Novara, ItalyUniv Piemonte Orientale, Maggiore della Carita Univ Hosp, Dept Radiol, Corso Mazzini 18, I-28100 Novara, Italy
Sacchetti, GianMauro
Carriero, Alessandro
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Univ Piemonte Orientale, Maggiore della Carita Univ Hosp, Dept Radiol, Corso Mazzini 18, I-28100 Novara, ItalyUniv Piemonte Orientale, Maggiore della Carita Univ Hosp, Dept Radiol, Corso Mazzini 18, I-28100 Novara, Italy