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.
结论MRI对弥漫性星形细胞瘤的诊断具有十分重要的价值。
Conclusion MRI has very definite value in diagnosing diffuse astrocytoma.
结节性硬化(皮质结节)和室管膜下的巨细胞性星形细胞瘤。
Tuberous sclerosis - in cortical tubers and subependymal giant cell astrocytoma.
加深对弥漫性星形细胞瘤病理生长特性的认识是正确诊断的前提。
Strengthen the cognition of its pathologic growth characteristics is the premise for correct diagnosis of diffuse...
结论：间变性星形细胞瘤和肥胖细胞性星形细胞瘤更具恶性，易复发。
Conclusion The result suggest that anaplastic astrocytoma and gemistocytic astrocytoma are more malignant and more recurrent.
围绕出血灶周围的这些细胞的细胞核具有非典型性使我怀疑这是一例浸润性星形细胞瘤。
These cells in brain parenchyma surrounding hemorrhage have atypical nuclei that makes me suspect an infiltrating astrocytoma.
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.
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.
结论：星形胶质细胞瘤的不同部位有DNA含量不同的细胞克隆存在，证实了星形胶质细胞瘤的DNA含量的确存在异质性。
Conclusion: Cell clons with different DNA content are found in different regions of an astrocytoma, it confirms that DNA content of astrocytoma is heterogenous indeed.
结论颞叶星形细胞瘤的MRI表现颇具特征性，诊断与鉴别诊断大多不难。
Conclusion Temporal lobe astrocytoma has some specific features on MRI, it is not difficult to make a diagnosis.
星形细胞瘤、少突胶质细胞瘤、混合性胶质瘤全切除后预后良好，不需要进行辅助性治疗。
It is not necessary to perform auxiliary therapy for astrocytoma, oligodendroglioma, and mixed glioma, because the prognosis is good after total removal of the tumor.
目的：研究幕上星形细胞瘤核dna含量与病理分级、CT表现的相关性。
Purpose: to study correlation of nuclear DNA contents with pathologic grading and CT appearances in supratentorial astrocytoma.
结论星形细胞瘤放射性脑损伤可导致血清s100蛋白水平升高且与星形细胞瘤治疗疗程和剂量相关，检测血清s100蛋白可作为星形细胞瘤放射性脑损伤诊断较早期指标。
Conclusion High levels of serum S100 protein are associated with radiation-induced brain injury in astrocytoma patients and may serve as the marker for early diagnosis of the injury.
结论小脑星形细胞瘤具有特征性，增强扫描有助于病灶检出和定性诊断。
Conclusion MRI findings of cerebella astrocytoma are characteristic and contrast-enhanced scan was helpful in detection of the lesion and characterization of the disease.
方法：回顾性分析81例经手术和病理证实为脑星形胶质细胞瘤MRI资料，综合分析MRI表现并与病理结果对照。
Methods: The MRI findings of 81 cases with brain astroglioma were retrospectively reviewed in comparison with operation and pathology.
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.
背景在有复合型结节性硬化症的病人中，神经外科切除术是室管膜下巨细胞星形细胞瘤的标准治疗。
BACKGROUND: Neurosurgical resection is the standard treatment for subependymal giant-cell astrocytomas in patients with the tuberous sclerosis complex.
室管膜下结节可以变性为巨细胞星形细胞瘤导致Monro孔闭塞引起梗阻性脑积水。
Subependymal nodules can degenerate into giant cell astrocytomas that can result in obstruction at the foramen of Monro with obstructive hydrocephalus.
室管膜下结节可以变性为巨细胞星形细胞瘤导致Monro孔闭塞引起梗阻性脑积水。
Subependymal nodules can degenerate into giant cell astrocytomas that can result in obstruction at the foramen of Monro with obstructive hydrocephalus.
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