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xanthogranulomatous pyelonephritis


Definition: a form of pyelonephritis that results in a chronic inflammatory condition; the kidney enlarges and becomes less functional or nonfunctional; characterized histologically by the presence of lipid-laden, foamy macrophages and multiple granulomas. Can mimic neoplasms and renal tuberculosis and is a global process that affects the whole kidney.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.