cholescintigraphy

noun

cho·​le·​scin·​tig·​ra·​phy -sin-ˈtig-rə-fē 

plural cholescintigraphies

: scintigraphy of the biliary system

Many experts believe that the best way to diagnose gallstones is through cholescintigraphy, which involves the injection of a radioactive material followed by a scanning procedure.

—G. Timothy Johnson, The Chicago Tribune