Evaluation of improved attenuation correction in whole-body PET/MR on patients with bone metastasis using various radiotracers.
Attenuation correction
Bone metastasis
HUGE
MLAA
Truncation correction
Whole-body PET/MR
Journal
European journal of nuclear medicine and molecular imaging
ISSN: 1619-7089
Titre abrégé: Eur J Nucl Med Mol Imaging
Pays: Germany
ID NLM: 101140988
Informations de publication
Date de publication:
09 2020
09 2020
Historique:
received:
07
10
2019
accepted:
20
02
2020
pubmed:
4
3
2020
medline:
15
5
2021
entrez:
4
3
2020
Statut:
ppublish
Résumé
This study evaluates the quantitative effect of improved MR-based attenuation correction (AC), including bone segmentation and the HUGE method for truncation correction in PET/MR whole-body hybrid imaging specifically of oncologic patients with bone metastasis and using various radiotracers. Twenty-three patients that underwent altogether 28 whole-body PET/MR examinations with findings of bone metastasis were included in this study. Different radiotracers ( Overall, 69 bone lesions were detected and evaluated. The mean increase in relative difference over all 69 lesions in SUV Improved MR-based AC, including bone segmentation and HUGE truncation correction in whole-body PET/MR on patients with bone lesions and using various radiotracers, is important to ensure best possible diagnostic image quality and accurate PET quantification. The HUGE method for truncation correction based on MR worked robust and results in realistic body contouring, independent of the radiotracers used.
Identifiants
pubmed: 32125487
doi: 10.1007/s00259-020-04738-6
pii: 10.1007/s00259-020-04738-6
pmc: PMC7396397
doi:
Substances chimiques
Fluorodeoxyglucose F18
0Z5B2CJX4D
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
2269-2279Références
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