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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