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Abstract #2548

MR cholangiopancreatography in a single breath-hold: comparative effectiveness between 3D GRASE and 2D thick-slab SSFSE

Cheng-Ping Chien1,2, Feng-Mao Chiu3, and Hsiao-Wen Chung1
1Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan, 2Taipei Beitou Health Management Hospital, Taipei, Taiwan, 3Philips Healthcare, Taipei, Taiwan

3D MR cholangiopancreatography (MRCP) based on gradient- and spin-echo (GRASE) and 2D thick-slab MRCP using fast spin-echo (FSE), both acquired within single breath-hold, were compared using a 4-point score at 3T on 95 healthy subjects (age range = 25-75) in eight different segments of hepatic and pancreatic ducts. 3D GRASE outperformed 2D thick-slab FSE in the common bile duct and common hepatic duct, but compared inferiorly in right anterior hepatic duct (p < 0.001), with insignificant difference (p > 0.05) for the other five ducts. It is concluded that 2D thick-slab FSE MRCP complements 3D GRASE MRCP if performed additionally.

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