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Difference between revisions of "Xanthogranulomatous pyelonephritis"
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Xanthogranulomatous pyelonephritis (view source)
Revision as of 02:38, 22 February 2017
, 02:38, 22 February 2017more
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| Caption = Xanthogranulomatous pyelonephritis. CD68 immunostain. | | Caption = Xanthogranulomatous pyelonephritis. CD68 immunostain. | ||
| Synonyms = | | Synonyms = | ||
| Micro = | | Micro = abundant (foamy) macrophages (associated with the collecting system - medulla, not cortex), +/-giant cells, +/-cholesterol clefts, +/-interstitial lymphocytes and plasma cells, +/-interstitial fibrosis, +/-calcifications | ||
| Subtypes = | | Subtypes = | ||
| LMDDx = [[malakoplakia]], RCC - especially [[PRCC]], granulomatous disease, [[chronic pyelonephritis]], | | LMDDx = [[malakoplakia]], RCC - especially [[PRCC]], granulomatous disease, [[chronic pyelonephritis]], interstitial nephritis, occasionally [[renal cell carcinoma]] | ||
| Stains = [[PAS-D]] -ve | | Stains = [[PAS-D]] -ve | ||
| IHC = CD68 +ve, CD10 -ve, [[pankeratin]] -ve | | IHC = CD68 +ve, CD10 -ve, [[pankeratin]] -ve | ||
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*+/-Interstitial lymphocytes and plasma cells. | *+/-Interstitial lymphocytes and plasma cells. | ||
*+/-Interstitial fibrosis. | *+/-Interstitial fibrosis. | ||
*+/-Cholesterol clefts (common). | |||
*+/-Calcifications - dystrophic. | |||
DDx: | DDx: | ||