But there was no statistical significance among them.The expression level of MMP-9 in invasive tumors was significantly higher than that in noninvasive pituitary adenomas and normal pituitary glands.

• 基质金属蛋白酶-9在侵袭性垂体腺瘤中的表达明显高于非侵袭性垂体腺瘤和正常垂体组织，统计学分析具有显著差异。