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Figure 1: IHC photomicrograph of INA expression in anaplastic gliomas. Anaplastic oligogendroglioma (a; H and E stain, b; IHC for INA) shows strong positive staining of tumor cells for INA. Anaplastic astrocytoma (c; H and E stain, d; IHC for INA) shows negative expression in tumor cells. Cortical infiltration by anaplastic astrocytoma cells (e; H and E stain, f; IHC for INA). Although the tumor cells are negative, the overrun neurons are strongly stained, serving as positive internal control. (All figures are of original magnification ×160)

Figure 1: IHC photomicrograph of INA expression in anaplastic gliomas. Anaplastic oligogendroglioma (a; H and E stain, b; IHC for INA) shows strong positive staining of tumor cells for INA. Anaplastic astrocytoma (c; H and E stain, d; IHC for INA) shows negative expression in tumor cells. Cortical infiltration by anaplastic astrocytoma cells (e; H and E stain, f; IHC for INA). Although the tumor cells are negative, the overrun neurons are strongly stained, serving as positive internal control. (All figures are of original magnification ×160)