papillary necrosis
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papillary necrosis
Papillary necrosis of renal papillae Nephrology A complication of acute pyelonephritis, consisting of uni- or bilateral lesions of one or more pyramids, with a white-gray discoloration of the pyramid tips, in a background of renal failure Clinical Renal colic, pyuria Etiology DM, sickle cell anemia, analgesics–aspirin, phenacetin, cyclophosphamide, ischemia, post-obstruction pyelonephritisMcGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.