Nephrotic Syndrome Associated with Lung Cancer: A Rare Case of Malignancy Associated with AA Amyloidosis
Figure 1
Histopathological findings of kidneys. (a) nodular appearance due to amorphous acellular mesangial deposition (Masson trichrome stain; magnification, ×200). (b) accumulation of amyloid expanding the mesangial area and the arteriole (Congo red stain viewed by polarized light microscopy), (c) immunohistochemically positivity of AA amyloid (avidin-biotin-peroxidase complex system; original magnification, ×200).
