肿瘤细胞的多形性明显，细胞核深染。
However, the neoplastic cells show pleomorphism, with hyperchromatic nuclei.
多形性胶质母细胞瘤(GBM)是最常见的致命性的脑部肿瘤。
Glioblastoma multiforme (GBM) is the most common and lethal type of brain cancer.
但是他们只在一小部分人群中有效。某些肿瘤包括侵袭性颅脑肿瘤多形性胶质母细胞瘤对这些药物疗效很差。
But they only work in a small percentage of people. and certain tumors, including the aggressive brain cancer glioblastoma multiforme, respond poorly to such drugs.
结果在泪腺上皮性肿瘤中，以多形性腺瘤、样囊腺癌、形性腺癌和腺癌较为多见。
Results Among lacrimal gland tumors, the pleomorphic adenoma, adenoid cystadenocarcinoma, pleomorphic adenocarcinoma and adenocarcinoma were very common.
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.
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.
肿瘤细胞的多形性明显，细胞核深染。
However the neoplastic cells show pleomorphism with hyperchromatic nuclei.
恶性肿瘤24例(20.0%)，依次为泪腺腺样囊性癌、淋巴瘤、多形性腺癌、横纹肌肉瘤、泪腺腺癌、恶性黑色素瘤。
There were 24 (20.0%) malignant tumors, as follows: adenoid cystic carcinoma, lymphoma, pleomorphic adenocarcinoma, rhabdomyosarcoma, lacrimal adenocarcinoma, malignant melanoma.
结果298例肿瘤中，最常见的为泪腺多形性腺瘤，其它依次为腺样囊腺癌，腺癌，多形性腺癌及其它泪腺少见肿瘤。
Results Among 298 cases, pleomorphic adenomas was the most common, followed by adenoid cystic carcinoma, pleomorphic adenocarcinoma, adenocarcinoma and other type.
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.
细胞核多形性很突出，并且有些肿瘤细胞显示有大细胞核；
Nuclear pleomorphism is striking and some of the tumor cells show large nucleoli;
肿瘤分化很差，以至于很难判断组织来源。这可能是一种源于多形性细胞的一种癌。在肿瘤细胞中核多且大。
This neoplasm is so poorly differentiated that it is difficult to tell what the cell of origin is.
高度恶性肿瘤表现出明显的结构不规则和细胞多形性。
High grade tumors show markedly irregular architecture and cellular pleomorphism.
高度恶性肿瘤表现出明显的结构不规则和细胞多形性。
High grade tumors show markedly irregular architecture and cellular pleomorphism.
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