FOXP3可能成为星形细胞肿瘤免疫调节的新靶点。
FOXP3 may provide a new target for immunotherapy of astrocytic tumors.
目的探讨1hmrs在星形细胞肿瘤分级和鉴别诊断中的价值。
Objective to assess the value of ~ 1 HMRS in the classification and differential diagnosis of astrocytoma.
方法回顾性分析经手术病理证实的20例少突-星形细胞肿瘤的CT和MRI表现。
Methods CT and MRI findings in 20 patients of oligoastrocytic tumors proved with operation and pathology were analyzed retrospectively.
结论星形细胞肿瘤的术中细胞学涂片结构清晰、诊断准确、分级可靠，与术中冷冻切片相比有一定的优势。
Conclusion the intraoperative cytological diagnosis is exact and its grading diagnosis is also reliable, and it can replace the frozen section.
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.
结论MMP - 2、TIMP - 1和TIMP - 2在星形细胞肿瘤中的表达与星形细胞肿瘤的侵袭性生物学行为的演进亲密相关。
Conclusion the overexpression of MMP-2, TIMP-1 and TIMP-2 are closely correlated to development of the invasion activity of human astrocytoma.
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.
目的探讨血管内皮生长因子(VEGF)在脑星形细胞瘤中的表达及其与肿瘤生长、预后和血管生成的关系。
Objective to study the relationship between the expression of vascular endothelial growth factor (VEGF) and the angiogenesis, growth and prognosis in brain astrocytoma.
肿瘤细胞分泌VEGF是星形细胞瘤PTBE产生的重要原因。
The secretion of VEGF from astrocytoma cells is an important cause to the production of PTBE.
结果四脑室肿瘤以髓母细胞瘤、室管膜瘤和星形胶质瘤多见，肿瘤与发病年龄关系密切。
Results the most common neoplasms were medulloblastoma and ependymoma and astrocytoma in the fourth ventricular. Some tumors had specific patients age.
目的：研究p53在星形细胞瘤中的表达与肿瘤病理分级的关系，讨论P 53在星形细胞瘤预后判断上的价值。
Aim: to examine the relationship between immunohistochemical expression of P53 in astrocytoma and astrocytoma with pathological grade, to discuss the value of P53 in astrocytoma prognosis estimation.
多形性胶质母细胞瘤起源于星形胶质细胞，这是胶质细胞的一种。促使正常工作的星形胶质细胞转变为肿瘤细胞的原因尚不得而知。 。
GBM M originates from astrocytes, which are a type of glial cell. The factors that cause normal-functioning astrocytes to become cancerous is not well understood.
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.
环壁脐样凹陷在星形细胞来源肿瘤、脑转移瘤、脑脓肿三者中出现率相近，无明显定性价值。
The incidence of umbilicated indentation in astrocytoma, cerebral metastases and brain abscess was nearly the same, showing no value in qualitative diagnosis.
结论RCAS1是人脑星形细胞瘤的新的肿瘤相关抗原，其表达与胶质母细胞瘤的形成相关。
Conclusion RCAS1 is a new tumor-associated antigen of human astrocyte tumors, whose expression correlated to the malignant transformation of glioblastoma.
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.
室管膜下巨细胞星形细胞瘤均位于莫氏孔区这一特定的解剖部位，这一肿瘤常有强化，而且肿瘤逐渐增长。
Some features of subependymal grant cell astrocytoma were their anatomy location at or near the fomina of Morno, tumor enhancement and mass growth continuously.
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.
目的研究多形性黄色星形细胞瘤（PXA）的遗传学异常，以探讨该肿瘤的发病机制。
Objective To detect genetic alterations in pleomorphic xanthoastrocytoma (PXA), and to investigate the mechanism of development of this neoplasm.
星形细胞瘤细胞增殖和生长依赖于肿瘤血管生成；
The proliferation and growth of astrocytoma cells required angiogenesis.
目的：星形细胞瘤是最常见的原发性颅内肿瘤。
Objective:Astrocytoma is the most common primary cerebral neoplasm in human brain.
脑胶质瘤是由神经外胚叶衍化而来的胶质细胞即星形胶质细胞、少枝胶质细胞和室管膜胶质细胞等发生的肿瘤，是颅内最常见的恶性肿瘤。
Glioma is the most common type of primary intracranial tumors in human. It developed from astrocytoma, oligodendroglioma, ependymoma, which were induced by neural ectoblast.
椎管肿瘤常见的是星形细胞瘤(17.8%)、室管膜肿瘤和脂肪瘤(均为15.6%)。
The common entities of spinal tumors were astrocytomas (17. 8%), ependymal tumors and lipomas (15.6% each).
星形细胞瘤是来源于星形细胞或星形前体细胞的中枢神经系统肿瘤，约占所有颅内原发性肿瘤的45%。
Astrocytoma is the most common type among primary tumors in central nervous system with rapid growth, high mortality and poor prognosis, and it comprise 45% of all human brain tumors.
结论室管膜下巨细胞型星形细胞瘤是具有独特组织病理学特点的良性肿瘤。
Conclusions Subependymal giant cell astrocytoma is a benign brain tumor with distinctive histopathologic features.
肿瘤细胞，成纤维细胞，免疫细胞，星形胶质细胞和其它细胞都被报道可以释放或摄取外泌体[7 - 9]。
Cancer cells, fibroblast cells, immune cells, astrocytes and other cells have all been reported to release or uptake exosomes [7-9].
结果：星形细胞瘤15例，单发转移性肿瘤10例，血管母细胞瘤8例，髓母细胞瘤6例，恶性淋巴瘤2例，室管膜瘤1例。
Results:Among them, 15 astrocytomas, 10 solitary intracranial metastatic tumors, 8 hemangioblastomas, 6 medulloblastomas, 2 lymphomas and 1 ependymoma.
方法回顾8例多形性黄色瘤型星形细胞瘤病人的临床资料。 病人平均年龄23.7岁，肿瘤均位于大脑半球。
Methods Clinical data of 8 patients, average age being 23.7 years old, with pleomorphic xanthoastrocytoma were analyzed retrospectively.
CD 133抗体不是脊髓弥漫性星形细胞瘤干细胞唯一的标记物，呈阴性表达的肿瘤细胞也可增殖成瘤。
CD133 antibody is not the unique spinal cord astrocytomas stem cells marker, CD 133 negative tumor cells can also be proliferation into the xenograft.
目的探讨儿童星形细胞瘤的复发与肿瘤的组织学类型、肿瘤部位及手术的关系。
Objective To explore the relationship among the recurrence and histological types and tumor sites in intracranial astrocytoma of children.
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