Abstract #1159
Clinical Assessment of B1+ Inhomogeneity Effects on Quantitative Prostate MRI at 3.0 T
Xinran Zhong 1,2 , Novena Rangwala 1 , Steven Raman 1 , Daniel Margolis 1 , Holden Wu 1,2 , and Kyunghyun Sung 1,2
1
Radiological Sciences, University of
California Los Angeles, Los Angeles, CA, United States,
2
Biomedical
Physics Interdepartmental Program, University of
California Los Angeles, Los Angeles, CA, United States
B1+ variations in the pelvis is measured using the
reference region VFA method and differences on the T1
relaxation values in prostate and pelvic muscles with
and without compensating for B1+ variation were analyzed
in a total of 108 prostate patients at 3T. Significant
improvement on T1 value could be seen after RF
correction through comparison between different tissues
and different systems, indicating the need for B1
correction in prostate T1 imaging.
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