Mucoepidermoid carcinoma of parotid gland and membranous nephropathy – differentiation between sclerosing mucoepidermoid carcinoma with eosinophilia and Kimura’s disease

摘要

Histopathological findings in kidney biopsy specimen. a Diffuse thickness of the glomerular basement membrane with spike formation (arrowhead) (Periodic acid-methenamin-silver stain). b Infiltration of eosinophils in renal interstitium (Hematoxylin-Eosin stain). c Diffuse granular deposits of immunoglobulin G along the glomerular capillary walls (immunofluorescence stain for IgG). d Global subepithelial electron-dense deposits and spike formation of the glomerular baseline membrane (electron microscopy)