Towards accurate temperature mapping in adipose and aqueous tissue with joint T1 and PRFS using Balanced SSFP
Mingming Wu 1,2 , Pauline Ferry 3 , Tim Sprenger 1,2 , Desmond Teck Beng Yeo 4 , Axel Haase 1 , and Silke Lechner-Greite 2
IMETUM, Technische Universitt Mnchen,
Global Research, Garching, Germany,
Nancy, Lorraine, France,
Global Research, Niskayuna, New York, United States
The presented work examines the potential of combining
fast and accurate T1 mapping for temperature
quantification in fat applying fast inversion recovery
or saturation recovery bSSFP and jointly using phase
maps for PRFS based thermometry in water-based tissue.
Bloch simulations of the steady state phase demonstrate
the feasibility of PRFS quantification with bSSFP phase
images. First experimental T1 maps at a constant
temperature of ex vivo pork lard are illustrated. The
magnitude data of the steady-state phase image can be
used for the T1 mapping as the magnitude with long or
infinite inversion time.
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