Brain tumor tissue microarray,containing 96 cases of tumor (47 astrocytoma, 41 glioblastoma, 3 malignant ependymocytoma, 2 each of malignant ganglioglioma and glioma sarcomatosum, 1 medulloblastoma), 28 cases in mid stage, 68 in advanced stage, duplicate cores per case, divided into two identical 96 core arrays, suitable for therapeutic antibody screening.