Abstract #1634

Non-balanced spin-echo SSFP sequence in the hepatobiliary phase of Gd-EOB-MRI for the differential diagnosis of liver hemangiomas and metastatic liver tumors

Yukihisa Takayama¹, Akihiro Nishie², Yoshiki Asayama², Kousei Ishigami², Yasuhiro Ushijima², Daisuke Okamoto², Nobuhiro Fujita², Masami Yoneyama³, and Hiroshi Honda²

¹Department of Radiology Informatics and Network, Kyushu University, Graduate School of Medical Sciences, Fukuoka, Japan, ²Department of Clinical Radiology, Kyushu University, Graduate School of Medical Sciences, Fukuoka, Japan, ³Philips Electronics Japan, Tokyo, Japan

A non-balanced spin-echo steady-state free precession (SSFP) sequence is a variant of the gradient echo (GRE) sequence. It provides T2-weighted contrast because it generates the spin echo. It also has high sensitivity to contrast agents’ T1-shortening effects. After the optimization of MR parameter settings, the non-balanced spin-echo SSFP sequence in the hepatobiliary phase (HBP) of Gd-EOB-MRI is useful for differential diagnoses of liver hemangiomas and metastatic liver tumors, based on the interpretation of the lesion signal intensity. Here we assessed the diagnostic performance of the non-balanced spin-echo SSFP sequence in the HBP of Gd-EOB-MRI.

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