Abstract #1226
Fat-signal fraction quantification of paravertebral muscle using T2*-corrected multi-echo Dixon technique
Yeon Hwa Yoo 1 , Yaena Kim 1 , Young Han Lee 2 , Mun Young Paek 3 , Sungjun Kim 1 , Tae-Sub Chung 1 , Choon-Sik Yoon 1 , Ho-Taek Song 2 , and Jin-Suck Suh 2
1
Radiology, Gangnam Severance Hospital,
Yonsei University College of Medicine., Seoul, Korea,
2
Radiology,
Severance Hospital, Yonsei University College of
Medicine, Seoul, Korea,
3
Siemens
Ltd. Seoul, Seoul, Korea
Fat-signal fraction has been quantified for phantom and
variable tissues using variable sequences based on Dixon
techniques. Recently, fat-signal fraction mapping using
multi-echo Dixon techniques have been developed for
further improvement of accuracy. However, there has been
no consensus whether T2*-corrected multi-echo Dixon
technique can more accurately measure fat-signal
fraction in skeletal muscle as compared with the 2-echo
and 3-echo techniques particularly when T2*-correction
is added, albeit being expected so. This study is the
first one that T2*-corrected multi-echo Dixon technique
is superior to the sequences previously tested for the
purpose.
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