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Figure 2: Photomicrograph showing features of a transitional meningioma with focal psammomatous calcification (a, haematoxylin and eosin [H and E], ×100). Tumor is infiltrating into the adjacent cortex (b, H and E, ×200). Tumor cells are immunopositive for epithelial membrane antigen (c, immunohistochemistry [IHC] staining, ×200). MIB1 labelling index is low (d, IHC, ×400)

Figure 2: Photomicrograph showing features of a transitional meningioma with focal psammomatous calcification (a, haematoxylin and eosin [H and E], ×100). Tumor is infiltrating into the adjacent cortex (b, H and E, ×200). Tumor cells are immunopositive for epithelial membrane antigen (c, immunohistochemistry [IHC] staining, ×200). MIB1 labelling index is low (d, IHC, ×400)