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Abstract #2412

Optimized Colorectal Liver Metastasis Screening: Diagnostic Performance of an Abbreviated Gadoxetic Acid-enhanced MR Imaging Protocol.

Nobuyuki Kawai1, Yoshifumi Noda1, Satoshi Goshima2, Keita Fujimoto1, Kimihiro Kajita3, Hiroshi Kawada1, Yukichi Tanahashi1, and Masayuki Matsuo1
1Radiology, Gifu University, Gifu, Japan, 2Diagnostic Radiology and Nuclear Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan, 3Radiology Services, Gifu University Hospital, Gifu, Japan

Gadoxetic acid-enhanced MR imaging is an essential modality for the screening and assessment of hepatic diseases, which has an incremental value when combined with contrast-enhanced computed tomography for detecting colorectal liver metastasis (CLM). We assessed the diagnostic performance of an abbreviated protocol (axial heavily T2-weighted + axial and reconstructed-coronal hepatobiliary phase + axial diffusion-weighted imaging) compared with the standard routine clinical one for CLM screening. Our results demonstrated excellent performance for the detection of CLM comparable to standard one less than one third of acquisition time.

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