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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 Magma: 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. doi: 10.1007/s10334-011-0277-4 https://archive-ouverte.unige.ch/unige:43439

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Deposited on : 2014-12-15

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