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Histopathological stains of T6 lesion. (a) Tumor cells with hypercellularity, atypical mitotic nuclei and astrocytic features. There are foci of microvascular proliferation. Hematoxylin and eosin ×200 (b) Positive stain for Glial Fibrillary acidic protein ×50. (c) Positive for ATRX gene ×100. (d) Tumor cell negative for mutant IDH1 ×100.
