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A Case Of Renal Sarcoidosis Complicated By Parotid Gland And Uterine Lesions – BMC Nephrology

Cytologic findings of parotid gland and endometrium, and light microscopic findings of the renal biopsy. (A and B) Papanicolaou staining showed the presence of epithelioid cells in parotid gland (A) and endometrium (B). (C and D) Hematoxylin and eosin staining (H&E) showed the tubulointerstitial nephritis with diffuse non-caseating epithelioid cell granulomas and diffuse multinucleated giant cells (arrows). (E) Inflammatory cells and multinucleated giant cells showed positive in CD68 staining. (F and G) 1-α hydroxylase (F) and lysozyme staining (G) were positive in inflammatory cells and multinucleated giant cells. Original magnification, ×400 (A, B, D), x100 (C), ×200 (E, F, G), respectively