<qa>  What is the name of the two promising techniques that have scarcely been investigated in abdominal disease processesRecently, dual energy CT DECT has proven to be robust and clinically useful for many abdominal applications including solid pancreatic masses. The investigators expect V2R kVmAS DECT and Subtraction imaging - two promising techniques which have scarcely been investigated in abdominal disease processes in the literature - to prove to be very useful for the characterization of pancreatic cysts and to demonstrate comparable diagnostic accuracy compared to MR 