目的研究多形性黄色星形细胞瘤（PXA）的遗传学异常，以探讨该肿瘤的发病机制。
Objective To detect genetic alterations in pleomorphic xanthoastrocytoma (PXA), and to investigate the mechanism of development of this neoplasm.
方法回顾8例多形性黄色瘤型星形细胞瘤病人的临床资料。 病人平均年龄23.7岁，肿瘤均位于大脑半球。
Methods Clinical data of 8 patients, average age being 23.7 years old, with pleomorphic xanthoastrocytoma were analyzed retrospectively.
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