... 星形细胞性肿瘤(astrocytic tumours) 来源未定的神经上皮肿瘤(neuroepithelial tu-mours of uncertain origin) 星形母细胞瘤(astroblastoma) ...
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囊性星形细胞瘤占儿童后颅窝肿瘤的33%。
Cystic cerebellar astrocytoma comprises about 33% of all posterior fossa tumors in children.
目的探讨弥漫性星形细胞瘤的MRI表现特点，研究MRI对该类肿瘤的诊断要点和价值。
Objective To study specific features and main diagnostic points of diffuse astrocytoma on MRI.
结论MMP - 2、TIMP - 1和TIMP - 2在星形细胞肿瘤组织中的表达与星形细胞肿瘤的侵袭性生物学行为的演进密切相关。
ConclusionThe expression of MMP-2, TIMP-1 and TIMP-2 are closely correlated with the development of the invasive activity of human astrocytoma.
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