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  Indian J Med Microbiol
 

Figure 3: Microscopic findings of crystal storing histiocytosis. Perivascular and parenchymal lymphoplasmacytic inflammatory infiltration consisting predominantly of lymphocytes and scattered histiocytes in the brain parenchyma (A; H and E, x100), Histochemical staining results. PTAH staining of crystal (B; PTAH, x400), Immunohistochemical staining results. A. Positive staining of histiocytes with CD68 (C; CD 68 × 200). B. Positive staining of plasma cells with CD138 (D; CD 138, x200)

Figure 3: Microscopic findings of crystal storing histiocytosis. Perivascular and parenchymal lymphoplasmacytic inflammatory infiltration consisting predominantly of lymphocytes and scattered histiocytes in the brain parenchyma (A; H and E, x100), Histochemical staining results. PTAH staining of crystal (B; PTAH, x400), Immunohistochemical staining results. A. Positive staining of histiocytes with CD68 (C; CD 68 × 200). B. Positive staining of plasma cells with CD138 (D; CD 138, x200)