OBJECTIVE:To study the clinicopathologicae,immunohistochemical characteristics and prognosis of subependymal giant-cell astrocytoma(SEGA).

• 目的:探讨室管膜下巨细胞星形细胞瘤(subependymal giant-cell astrocytoma,SEGA)的临床病理特征、免疫表型特征及其与预后的关系。