putty kidney

put·ty kid·ney

a kidney containing caseous material trapped by stricture of the ureter due to tuberculous granulations in renal tuberculosis.
Synonym(s): mortar kidney
A term referring to extensive (putty-like) calcification of the parenchyma and collecting system in a non-functional kidney with end-stage disease and autonephrectomy caused by renal tuberculosis, which can be seen on a plain film as well as on CT