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Abstract #1181

Toward hybrid MR thermometry in aqueous and adipose tissue using simultaneous dual contrast weighting with double echo RARE imaging

Hendrik Paysen1, Katharina Paul1, Michal Pham1, Lukas Winter1, and Thoralf Niendorf1,2,3

1Berlin Ultrahigh Field Facility (B.U.F.F.), Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany, 2Experimental and Clinical Research Center (ECRC), a joint cooperation between the Charité Medical Faculty and the Max Delbrück Center for Molecular Medicine, Berlin, Germany, 3MRI.TOOLS GmbH, Berlin, Germany

Proton resonance frequency (PRF) shift is the most common MR thermometry (MRTh) technique for water based tissue. For adipose tissue MRTh exploits the temperature dependent relaxation times T1 and T2. Hybrid methods that allow simultaneous acquisition of water and fat based thermometry are of great clinical need. Recognizing this need this work investigates a hybrid temperature mapping technique, designated as 2in1-Thermometry, which combines simultaneous PRF and T2-based temperature mapping using simultaneous dual contrast weighting with double echo RARE imaging.

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