Abstract #3620
Quantitative Liver Function Analysis using T1 mapping with fast multi-slice B1 correction on Hepatocyte-specific contrast enhanced MR
Jeong Hee Yoon 1 , Jeong Min Lee 1 , Eun Ju Kim 2 , Tomoyuki Okuaki 3 , Joon Koo Han 1 , and Byung Ihn Choi 1
1
Radiology, Seoul National University
Hospital, Seoul, Seoul, Korea,
2
Philips
Healthcare Korea, Seoul, Seoul, Korea,
3
Philips
Healthcare Japan, Tokyo, Japan
The purpose of this study is to determine whether T1
mapping sequence with fast multi-slice B1 correction
shows better diagnostic performance than T1 mapping
without B1 correction, for estimating liver function on
Gd-EOB-DTPA enhanced MRI. Postcontrast T1 relaxation
times (R1) with B1 correction of the liver on
Gd-EOB-DTPA MRI were significantly different among
different C-P score groups: 427.8145.8 msec in A5;
502.5134.9 msec in A6; and 640.9370.8 msec in B7
(P<0.001). As for R1s of the liver without B1
correction, values were 375.9156.8 msec in A5;
338.382.8 msec in A6; and 565.2336.2 msec in B7. T1
mapping using VFA and B1 correction can be used for
quantitatively estimate liver function using hepatocyte-specific
contrast enhanced MRI.
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