生前暴露与高或低级别星型细胞瘤、室管膜细胞瘤、生殖细胞瘤或是其他少见的尚未明确分类的肿瘤的发病风险没有关系。
Prenatal exposure was not associated with risk of high - or low-grade astrocytoma, ependymoma, germ cell tumor, or other rare or incompletely specified tumors.
它由星形细胞瘤，少突胶质细胞瘤，室管膜瘤发展而来，它们是由神经外胚层细胞诱导的。
It developed from astrocytoma, oligodendroglioma, ependymoma, which were induced by neural ectoblast.
硬膜浆细胞瘤的鉴别诊断包括转移瘤，淋巴瘤、硬脑膜肉瘤、浆细胞瘤肉芽肿和脑膜瘤。
The differential diagnosis for dural plasmacytoma includes metastasis, lymphoma, dural sarcoma, plasma cell granuloma and meningioma.
不同于许旺氏细胞瘤，脊膜瘤主要位于上段和中段胸椎水平，但是在前后方向有相似的分布。
Meningiomas are predominately located in the upper and mid- thoracic areas, different from schwannomas, but are in a similar distribution in the anterior-posterior plane.
PAS染色示瘤细胞周围绕以耐淀粉酶膜。
The tumor cells were surrounded by PAS-positive, diastase-resistant membrane.
患者可有中枢神经系统或周围神经系统的肿瘤病变，包括许旺氏细胞瘤、脑膜瘤、室管膜瘤、胶质瘤、神经纤维瘤等。
Affected individuals develop tumors of the central and peripheral nervous system, including schwannomas (typically of the vestibulum), meningiomas, ependymoma, gliomas, and neurofibromas.
实验组瘤周区可见不同程度的淋巴细胞浸润，其中以2组为多，且可见til细胞与肿瘤细胞有膜接触。
Some TIL appeared in tumor surrounding tissue, and more TIL in 2 group was seen. The membrane contacts between the TIL and tumor cell could also be observed.
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.
推测pten基因的正常表达在抑制脉络膜黑色素瘤细胞的聚集黏附过程中具有重要作用。
Normal expression of PTEN may play an important role in suppressing focal adhesion formation, spreading and migration of melanoma cells.
室管膜下巨细胞星形细胞瘤2例，肾血管平滑肌脂肪瘤1例。
Subependymal giant cell astrocytomas were detected in 2 cases, renal angiomyolipoma was detected in 1 case.
目的建立成釉细胞瘤的鸡胚绒毛尿囊膜侵袭模型。
Objective To establish an ameloblastoma invasive model on the chick embryo chorioallantoic membrane (CAM).
目的：探讨室管膜下巨细胞星形细胞瘤(SEGA)的临床病理、免疫组化特点及预后。
Purpose to study the clinicopathology, immunohistochemical characteristic and prognosis of subependymal giant cell astrocytoma (SEGA).
孤立性的硬膜浆细胞瘤是不常见的，而多发性骨髓瘤相关的浆细胞瘤相对更常见些。
Plasmacytomas of the dura are uncommon plasma cell tumors that may occur as a solitary neoplasm or, more commonly, in association with multiple myeloma.
目的探讨小儿后颅窝肿瘤中最常见的髓母细胞瘤和室管膜瘤的CT诊断及误诊原因，提高诊断正确率。
Objective To study the Easily Mistaken Causes of CT on medulloblastoma and ependymoma in children and improve the accuracy of the diagnosis.
目的探讨脊髓血管网织细胞瘤的临床和影像特征以及脊髓血管畸形、室管膜瘤的区别对诊断的意义。
Objective to make a correct diagnosis of hemangioblastoma spinal cord by realizing clinic-photographic feature and differentiation with AVM and ependymoma.
可以导致出血性脑转移瘤的常见恶性肿瘤有黑色素瘤、肾细胞癌、绒毛膜癌、甲状腺癌、肺癌、乳腺癌、以及生殖细胞癌。
The most likely malignancies to produce hemorrhagic metastases are melanoma, renal cell carcinoma, choriocarcinoma, thyroid, lung, breast, and germ cell tumors.
网状细胞染色考虑许旺氏细胞瘤可能性大于脑膜瘤或室管膜瘤，超过50%的许旺氏细胞瘤在网状细胞染色时可见胞质淡染。
Reticulin staining (c) is more consistent with schwannoma than either meningioma or ependymoma. Reticulin staining was found to be strong in greater than 50% of the tumor.
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.
室管膜下巨细胞瘤常常钙化，在CT和MR上均不均匀。增强检查明显强化但是不均匀。
Subependymal giant cell tumors are frequently calcified, appear heterogeneous on CT and MR scans, and show intense but inhomogeneous enhancement following contrast administration.
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.
而32例脑内胶质细胞瘤，包括星形细胞瘤21例、少支胶质细胞瘤4例、幕上室管膜瘤7例均未显示脑皮质内移征。
But the sign can not be found in all 32 cases with intra-cerebral glioma, including 21 cases with astrocytoma and 4 cases with oligodendroglioma and 7 cases with ependymoma above cerebellar tentorium.
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).
胚胎癌35例，畸胎瘤11例，卵黄囊瘤3例，绒毛膜上皮癌6例，混合性生殖细胞瘤13例。
There were 35 embryonal carcinomas, 11 teratomas, 3 yolk sac tumors, 6 choriocarcinomas and 13 mixed germ cell tumors.
室管膜下巨细胞星形细胞瘤：仅1例发现。
结论：儿童第四脑室肿瘤以髓母细胞瘤最多见，其次为室管膜瘤。
CONCLUSION: Medulloblastoma accounts for the main part of the fourth ventricular tumors in children while the second commonly seen tumor is ependymoma.
硬膜浆细胞瘤是一种不常见的浆细胞肿瘤，当病人有浆细胞性恶液质病史，出现硬膜肿块时需要考虑到本病的可能。
Dural plasmacytomas are uncommon plasma cell tumors that should be considered in patients with a dural mass and history of plasma cell dyscrasia.
通常有以下几种组织学构成：精原细胞瘤、胚胎癌、畸胎瘤、绒毛膜癌。
They often have several histologic components: seminoma, embryonal carcinoma, teratoma, choriocarcinoma.
腱鞘巨细胞瘤可发生于关节滑膜、滑囊或腱鞘，依据其生长方式和生物学行为，可分成局限性和弥漫性腱鞘巨细胞瘤两类。
Tenosynovial giant cell tumors arise from synovium of joints, bursae, or tendon sheaths, and are classified into localized and diffuse types based on the growth pattern and clinical behavior.
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.
目的：观察一少见的特殊类型室管膜瘤的临床病理特点，拟译名为伸展细胞型室管膜瘤。
Purpose To investigate the clinicopathological features of a rare type of ependymoma, termed tanycytic ependymoma.
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