Abstract #3648
Normal range and Reproducibility of multi-frequency MR Rheology of healthy liver at 3.0T MRI
Yong Eun Chung 1 , Hye-Jeong Lee 1 , Mi-Suk Park 2 , and Myeong-Jin Kim 2
1
Radiology, Yonsei University College of
Medicine, Seoul, ., Korea,
2
Radiology,
Yonsei Univeristy College of Medicine, Seoul, ., Korea
We tried to assess the normal value of shear modulus (Gd),
loss modulus (Gl) and complex modulus (G*) of the
healthy liver, and evaluate their reproducibility at
3.0T MRI. Multi-frequency MR rheology with transducer
frequency of 28Hz, 56Hz and 84Hz was acquired in 60
healthy volunteers. Three modulus were calculated from
central 4 slices, central 2 slices and the upper most 1
slice in each frequency. The reproducibility of MRR was
higher at lower transducer frequency and MRR modulus
should be calculated from the data which were obtained
from at least central 2 slices of MRR.
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