Definitions

1. noun

A congenital or acquired absence of a kidney, usually accompanied by a rudimentary or absent renal fossa and a normal or enlarged pelvis on the affected side.

“The patient’s medical records revealed a case of athyrosis on the left kidney, which required immediate surgical intervention.”

2. noun

A congenital or acquired absence of a kidney, which may be accompanied by other renal anomalies.

“The patient had athyrosis of the right kidney, which led to the development of hypertension and proteinuria.”