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本文按照Leestma1980年提出的新分类,对各型脑肿瘤作一概括的介绍。 (一)星形细胞瘤 1.大脑星形细胞瘤大脑星形细胞瘤是成人最常见的一种脑肿瘤。男性较多。好发生于额叶。临床上表现为进行性头痛和其他颅内压升高的症状,有癫痫发作或局灶性神经功能缺失。大体:肿瘤一般位于大脑半球的深面,分化高的肿瘤较周围正常脑组织硬,切面里白色,常有囊肿,边缘不清;分化低的肿瘤较周围正常脑组织软,常有出血(呈红色),坏死(呈黄色),使瘤组织与周围脑组织形成分界线。
This article according to Leestma1980 introduced the new classification, all kinds of brain tumors for a general introduction. (A) Astrocytoma 1. Astrocytoma of the brain Brain astrocytoma is one of the most common brain tumors in adults. More men. Occur in the frontal lobe. Clinical manifestations of progressive headache and other symptoms of increased intracranial pressure, seizures or focal neurological deficits. General: Tumors are generally located in the deep surface of the cerebral hemispheres. Highly differentiated tumors are harder than normal surrounding brain tissues. The cut surfaces are white and cysts are often unclear. The poorly differentiated tumors are often softer than normal surrounding brain tissue and often have bleeding Red), necrosis (yellow), the tumor tissue and the formation of the surrounding brain demarcation line.