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Abstract #2950

Non-uniformity correction of Gd-EOB-DTPA-enhanced magnetic resonance imaging of the liver at 3T

Yusuke Inoue1, Gou Ogasawara1, Keiji Matsunaga1, Kaoru Fujii1, Hirofumi Hata2, and Yuki Takato2

1Kitasato University School of Medicine, Sagamihara, Japan, 2Kitasato University Hospital, Sagamihara, Japan

We evaluated two commercially available methods for non-uniformity correction, an image-based method (SCIC) and a calibration-based method (PURE), in Gd-EOB-DTPA-enhanced MR imaging using a 3T scanner. SCIC improved uniformity for the precontrast images; however, artificial hyperintensity in the liver surface was evident especially in the hepatobiliary-phase images. Quantitative evaluation of contrast effects were severely distorted by SCIC. PURE improved uniformity in the precontrast and hepatobiliary-phase images, and appeared to aid quantitative evaluation of the signal intensity after contrast administration. PURE is indicated to be a useful non-uniformity correction method in Gd-EOB-DTPA-enhanced MR imaging using a 3T scanner.

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