CHORUS
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Kidney
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xanthogranulomatous pyelonephritis (XGP)
- big kidney
- non-functioning (80%)
- dilated calyces, thin cortex
- calculi (often staghorn)
- adult females
- usually unilateral
- Gram-negative infection, esp. Proteus mirabilis
- symptoms: fatigue, low fever, dysuria, flank pain
- pathology: granulomata in parenchyma with foam cells,
cholesterol slits, fibrosis, atrophic glomeruli
- atypical focal form: may resemble focal Ca
Charles E. Kahn, Jr., MD - 2 February 1995
Last updated: 1 October 2013
Copyright © 2013, Charles E. Kahn, Jr.
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