calculous pyonephrosis

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suppurative destruction of the renal parenchyma, often with kidney failure; called also nephropyosis.
calculous pyonephrosis pus and calculi in the kidney.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.