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Figure 2 :Photomicrographs showing a tumor comprising of sheets of tumor cells (a-H and E ×100) with large areas of necrosis (b-H and E ×40; arrow marks the areas of necrosis). The tumor shows a well-demarcated border with the adjacent brain parenchyma (c-H and E ×200). The tumor cells are polygonal in shape with distinct cytoplasmic outline with no identifiable keratin. Mitoses are noted (d-H and E ×400; arrow head for mitosis).

Figure 2 :Photomicrographs showing a tumor comprising of sheets of tumor cells (a-H and E ×100) with large areas of necrosis (b-H and E ×40; arrow marks the areas of necrosis). The tumor shows a well-demarcated border with the adjacent brain parenchyma (c-H and E ×200). The tumor cells are polygonal in shape with distinct cytoplasmic outline with no identifiable keratin. Mitoses are noted (d-H and E ×400; arrow head for mitosis).