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Fig. 2 | BMC Urology

Fig. 2

From: Atypical focal xanthogranulomatous pyelonephritis without clinical symptoms presenting as infiltrative renal cancer: a case report and literature review

Fig. 2

Microscopically, the majority of urothelium of the renal pelvis and calyceal is necrotic and scaled (a). At low power, the kidney shows a granulomatous inflammation with a large number of chronic inflammatory cell infiltration and focal abscess formation (hematoxylin-eosin, original magnification × 4) (b). At high power, the inflammatory infiltration is composed of a large number of lipid-laden xanthomatous cells, multinucleated giant cells, lymphoplasmacytic as well as some neutrophile cells (hematoxylin-eosin, original magnification × 40) (c)

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BMC Urology

ISSN: 1471-2490

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