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髓母细胞瘤是首先由Bailey和Cushing在1925年命名的一种儿童后颅凹恶性胶质瘤,约占颅内肿瘤的4％,儿童颅内肿瘤的18.2％。
Medulloblastoma is the first of a class of posterior fossa malignant glioma named after Bailey and Cushing in 1925, accounting for about 4% of intracranial tumors and 18.2% of children with intracranial tumors.