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为了解脑膜瘤的病理学改变与瘤周脑水肿的关系，我们对１３２例脑膜瘤病人的病理切片及２１例电镜检查结果进行了分析。结果发现：合体型、间变型及血管型脑膜瘤易伴重度瘤周水肿。瘤周水肿明显者，病理见肿瘤增殖活跃的表现。肉瘤型、间变型均见于中重度水肿组，非典型型重度水肿者显著高于良性型。若肿瘤血管成分增多，无砂粒体，可见血管外皮细胞易伴瘤周水肿。超微结构见水肿明显者，细胞核增大，核膜溶解，细胞内及细胞外水肿，线粒体溶解，粗面内质网扩张，溶酶体增多。中重度水肿者并可见分泌一排泄现象。
In order to understand the relationship between the pathological changes of meningioma and peritumoral edema, we analyzed the pathological sections of 132 cases of meningiomas and the results of 21 cases of electron microscopy. The results showed that: amalgam, anaplastic and vascular meningiomas with severe peritumoral edema. Peritumor edema significantly, the pathological tumor showed active proliferation. Sarcoma type, the anamorphosis were found in moderate to severe edema group, atypical severe edema was significantly higher than the benign type. If the tumor vascular components increased, no sand body, visible vascular endothelial cells with peritumoral edema. See the obvious ultrastructure edema, increased nucleus, nuclear membrane lysis, intracellular and extracellular edema, mitochondria dissolved, rough endoplasmic reticulum dilated, lysosome increased. Severe edema and secretion of a secretion can be seen.