Abstract #3198

Estimation of Lobar Liver Function using Gadoxetic Acid-Enhanced MR Imaging: Comparison with 99mTc-GSA SPECT Imaging

Keitaro Sofue^1,2, Masakatsu Tsurusaki³, Takamichi Murakami³, Kazuhiro Kitajima⁴, Utaru Tanaka¹, Masato Yamaguchi^1,2, Koji Sugimoto^1,2, Satoru Takahashi¹, and Kazuro Sugimura¹

¹Radiology, Kobe University Graduate School of Medicine, Kobe, Japan, ²Center for Endovascular Therapy, Kobe University Hospital, ³Radiology, Kinki University Faculty of Medicine, ⁴Nuclear Medicine and PET Center, Hyogo College of Medicine

Hepatobiliary phase image on gadoxetic acid-enhanced magnetic resonance (MR) imaging has been described as a way to quantify liver function and potential to estimate regional liver function. The purpose of this study was to investigate whether gadoxetic acid-enhanced MR imaging can estimate lobar liver function by comparing with ^99mTc-GSA SPECT imaging.

The results of this study showed that hepatic lobar function significantly differs according to the presence of biliary obstruction. Combined volumetric and functional assessment calculated by hepatobiliary phase images on gadoxetic acid-enhanced MR images can estimate lobar liver function.

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