Answer

Kidney Stones nephrolithiasis
CT in the axial plane through the abdomen shows a punctate calcification in the right kidney, seemingly attached to the tip of the papilla and a similar but larger stone likely originating in the papilla and now extending into the contracted calyx .
Ashley Davidoff MD TheCommonVein.net
Key words kidney cortex medulla calcification nephrocalcinosis calcification RnD IF
Ashley Davidoff MD TheCommonVein.net 131525c