低级星形细胞瘤 low grade astrocytoma
Ⅰ级星形细胞瘤 grade astrocytoma
级别星形细胞瘤 low-grde strocytoms ; grade astrocytomas ; low grade astrocytomas
初级别星形细胞瘤 low-grade astrocytomas
级为弥漫性星形细胞瘤 diffuse astrocytoma ; DA
低级别星形细胞瘤 low-grade astrocytomas
级为毛细胞星形细胞瘤 pilocytic astrocytoma
级为间变性星形细胞瘤 anaplastic astrocytoma
级为洋溢性星形细胞瘤 diffuse astrocytoma
其实，中老年人的WHO分类的星形细胞瘤ii级远比星形细胞瘤级IV少见的多。
After all, grade II astrocytomas are much less common than WHO grade IV glioblastomas in middle aged or elderly patients.
结论：星形细胞瘤在光镜下适于按who的新分级法分为四级。
Conclusions: Our study indicated that the astrocytoma may be devided into 4 grades according to WHO new classification under light microscope.
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