Fig. 4
From: Malakoplakia with aberrant ALK expression by immunohistochemistry: a case report

Malakoplakia special staining. A Blue M-G bodies on AB-PAS staining (magnification × 100). B PAS staining showing cytoplasmic red staining of histocytes and von Hansemann cells and purplish red M-G bodies (magnification × 100). C Black M-G bodies on von Kossa staining (magnification × 100). D Blue M-G bodies on Prussian blue staining (magnification × 100)