通常没有瘤周水肿。
目的探讨脑膜瘤瘤周水肿程度与手术预后的关系。
Objective To investigate the relation between the degree of peritumoral edema and the prognosis of meningioma after operation.
目的研究影响肺癌脑转移瘤瘤周水肿程度的因素。
Objective to study the influential factors of the edema-size of the intracranial metastases from lung cancer.
目的探讨脑内转移瘤瘤周水肿的MRI表现及其相关因素。
Objective To study MRI findings and relative factors of peritumoral edema in cerebral metastasis.
瘤体及瘤周水肿区毛细血管超微结构均有不同程度的改变。
The tumor body and PTBE all have a different change in capillary ultrastructure.
结论：①颅内良性肿瘤瘤周水肿区内，未见有肿瘤细胞浸润。
Conclusions: There is no tumor cells could be seen in the peritumoral ' edema area of meningioma an'd craniopharyngioma.
目的分析星形胶质细胞瘤瘤脑界面、瘤周水肿的MRI表现与手术、病理关系。
Objective To study the peritumoral edema and brain tumor interfaces in astrocytomas, and to compare the MRI features with surgical and pathological results.
结论：脑膜瘤瘤周水肿有一定特点，对其影像学诊断及手术方案的制定提供依据。
Conclusion: Peritumoral edema in meningioma contain certain characteristics, as to it's image learns the establishment between diagnosis and surgical operation project offering help.
目的观察大剂量甲基强的松龙冲击治疗对幕上脑肿瘤瘤周水肿的临床疗效和不良反应。
Objective to observe the clinical efficacy and adverse reactions of high-dose methylprednisolone pulse treatment on peritumoral edema induced by supratentorial brain tumors.
结论：幕上星形细胞瘤瘤周水肿MRI表现反映了肿瘤组织P 53蛋白的表达程度。
Conclusion: the peritumoral edema on MRI in supratentorial astrocytic gliomas can reflect the positive expression rate of P53 protein.
材料与方法对84例MRI中星形胶质细胞瘤瘤脑界面、瘤周水肿特点进行分析，并与手术病理对照。
Materials and Methods MRI Characteristics of the peritumoral edema and brain tumor interfaces of astrocytomas in 84 cases were analyzed and compared with the surgical and pathological results.
目的探讨脑星形细胞瘤瘤周水肿表观扩散系数（ADC）值与基质金属蛋白酶（MMP-9）表达的关系。
Objective To discuss the correlation between MMP-9 expression levels and ADC values in peritumoral edema of cerebral astrocytoma.
结果：MRI所示的脑膜瘤瘤周水肿程度与肿瘤的良恶性程度有关联性，而与发生部位、大小无显著关联性。
Results the degree of peritumoral edema on MRI scans was related to the malignant degree of meningioma, not the location and the size of tumor.
结果：平扫可显示肿瘤的发生部位、大小、形态、密度、边缘及瘤周水肿，增强扫描可显示病变的血运情况。
Results:Location, size, shape, density, margin and peritumorous edema could be shown by plain CT scan and state of blood flow by enhance CT scan.
结果CT增强扫描可强化，瘤周脑水肿明显的病人，其瘤体及瘤周水肿区毛细血管超微结构均有不同程度的改变。
Results as to those foci enhanced CT-scan in different degree with irregular PTBE, the tumor bodies and PTBEs all had some changes in capillary ultrastructure.
结论：脑膜瘤的CT表现具有特征性，而且临床表现与CT某些征象有关，临床症状的轻重与瘤周水肿的程度有相关性。
Conclusion: Meningioma has characteristic ct features, while its clinical manifestation is correlated with ct findings and the degree of peritumoral edema.
结论VEGF过表达在脑膜瘤瘤周水肿的形成和肿瘤复发中起重要作用，对脑膜瘤患者预后的评估及合适治疗方案的选择有指导意义。
Conclusion Overexpression of VEGF plays a pivotal role in the formation of PTBE and the recurrence of meningioma, which is important to evaluate the patient's prognosis and select suitable therapy.
目的：评价近似弥散系数（ADC）在鉴别星形细胞肿瘤、瘤周水肿及正常组织中的作用，以及对星形细胞肿瘤良、恶性评估中的价值。
Purpose:To evaluate the usefulness of ADC in differentiating tumor, edema, and normal brain tissue, and in grading the malignancy of cerebral astrocytomas.
瘤周不同程度水肿。
结果主要引流静脉或静脉窦附近的大中型脑膜瘤及病理为血管母细胞型脑膜瘤、血管内皮型脑膜瘤易引起严重的瘤周脑水肿。
Results The results showed that serious peritumoral edema were easily caused by large and middle sized meningioma near the big draining vein or venous sinus, and by an…
目的研究血管内皮生长因子(VEGF)表达与人脑转移瘤瘤周脑水肿(PTBE)的关系。
Objective to investigate the expression of vascular endothelial growth factor (VEGF) and its relationship with peritumoral brain edema (PTBE) in brain metastases.
部分瘤内可见粗大血管影（2/10），可有小囊变、坏死（4/10）及瘤周脑实质水肿（2/10）。
Other features included large blood vessel in tumors (2/10), cystic component, necrosis (4/10) and peritumoral edema (2/10);
部分瘤内可见粗大血管影（2/10），可有小囊变、坏死（4/10）及瘤周脑实质水肿（2/10）。
Other features included large blood vessel in tumors (2/10), cystic component, necrosis (4/10) and peritumoral edema (2/10);
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