The ependymomas, grade II cellular types, were intermixed with or separate from wavy, vaguely fascicular tissue that contained multiple axons immunoreactive for neurofilament protein.
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- 室管膜瘤,肿瘤细胞级别为2级,瘤细胞与波浪状的丛状组织相间或相离,这些丛状组织含多样的神经轴突,后者与神经丝蛋白发生免疫反应。