Opacification of collecting ducts at urography.
Saxton
H M
HM
D002675:Child, Preschool; D006801:Humans; D007684:Kidney Tubules / Q000000981:diagnostic imaging*; D007685:Kidney Tubules, Collecting / Q000000981:diagnostic imaging*; D008297:Male; D007691:Medullary Sponge Kidney / Q000000981:diagnostic imaging; D011859:Radiography