Now, while medulloblastoma may be the most common malignant tumor, the most common primary pediatric tumor is a type of astrocytoma called a juvenile pilocytic astrocytoma.

尽管髓母细胞瘤可能是最常见的恶性肿瘤，最常见的儿童原发脑肿瘤是一种星形细胞瘤，称为青少年毛细胞型星形细胞瘤。