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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