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Title

Correction of susceptibility-induced GRE phase shift for accurate PRFS thermometry proximal to cryoablation iceball

Authors
Kickhefel, Antje
Weiss, Clifford
Roland, Joerg
Gross, Patrick
Schick, Fritz
Published in Magnetic Resonance Materials in Physics, Biology and Medicine. 2012, vol. 25, no. 1, p. 23-31
Abstract The susceptibility contrast between frozen and unfrozen tissue disturbs the local magnetic field in the proximity of the ice-ball during cryotherapy. This effect should be corrected for in real time to allow PRFS-based monitoring of near-zero temperatures during intervention.
Keywords AlgorithmsArtifactsCryosurgeryCryotherapy/methodsFourier AnalysisFreezingHumansImage Processing, Computer-AssistedImaging, Three-Dimensional/methodsMagnetic FieldsMagnetic Resonance Imaging/methodsMagneticsModels, StatisticalModels, TheoreticalMuscles/pathologyReproducibility of ResultsTemperature
Identifiers
PMID: 21898135
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Article (Published version) (751 Kb) - document accessible for UNIGE members only Limited access to UNIGE
Structures
Research groups Imagerie et radiologie interventionnelle du foie, des voies biliaires et du pancréas (316)
Imagerie per-opératoire multi-modalité en radiologie interventionnelle (949)
Project FNS: CR33I3_143980
Citation
(ISO format)
KICKHEFEL, Antje et al. Correction of susceptibility-induced GRE phase shift for accurate PRFS thermometry proximal to cryoablation iceball. In: Magma: Magnetic Resonance Materials in Physics, Biology and Medicine, 2012, vol. 25, n° 1, p. 23-31. https://archive-ouverte.unige.ch/unige:43439

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Deposited on : 2014-12-15

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