Abstract #3197

Quantitative Estimation of Liver Function using Gadoxetic Acid-Enhanced MR Imaging: in Vitro and in Vivo Comparison between R1 and R2* Relaxometry

Keitaro Sofue^1,2, Masakatsu Tsurusaki³, Takamichi Murakami³, Katsusuke Kyotani⁴, Yu Ueda⁵, Tomoyuki Okuaki⁶, Satoru Takahashi¹, Mustafa R. Bashir^7,8, and Kazuro Sugimura¹

¹Radiology, Kobe University Graduate School of Medicine, Kobe, Japan, ²Center for Endovascular Therapy, Kobe University Hospital, Kobe, Japan, ³Radiology, Kinki University Faculty of Medicine, ⁴Division of Radiology, Kobe University Hospital, Kobe, Japan, ⁵Philips Electronics Japan, ⁶Philips Healthcare, ⁷Radiology, Duke University Medical Center, Durham, NC, United States, ⁸Center for Advanced Magnetic Resonance Development, Duke University Medical Center

R2* relaxometry that is simultaneously obtained on proton density fat fraction map in gadxetic acid-enhanced MRI can quantitatively estimate liver function. PDFF sequence can potentially quantify steatosis, iron overload, and liver function simultaneously.

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