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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
Salomir, Rares Vincent
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 Algorithms — Artifacts — Cryosurgery — Cryotherapy/methods — Fourier Analysis — Freezing — Humans — Image Processing, Computer-Assisted — Imaging, Three-Dimensional/methods — Magnetic Fields — Magnetic Resonance Imaging/methods — Magnetics — Models, Statistical — Models, Theoretical — Muscles/pathology — Reproducibility of Results — Temperature
Identifiers
PMID: 21898135
Full text
Article (Published version) (751 Kb) - document accessible for UNIGE members only Limited access to UNIGE
Structures
Faculté de médecine / Section de médecine clinique / Département de radiologie et informatique médicale
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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