脑瘤的治疗易俊林中国医学科学院肿瘤医院放射治疗科内容提要脑原发肿瘤(胶质瘤)高分级脑瘤低分级脑瘤脑转移瘤脑胶质瘤胶质瘤是常见的颅内恶性肿瘤,约占50%左右2000年修订的WHO分类标准星形细胞瘤少突胶质细胞瘤混合性少突星形细胞瘤低分级和高分级的组织病理学特点细胞核异型性核分裂相微血管增生坏死FibrillaryastrocytomaischaracterizedbyincreasedcellularitywithamonomorphicpopulationofcellsinfiltratingtheneuropilAnaplasticastrocytomaischaracterizedbynuclearatypiaandmitosesGlioblastomamultiformeischaracterizedbynecrosiswithcellsarrangedaroundtheedgeofthenecrotictissueTheirregularenhancingmarginwithcentralnecrosischaracterizedbyGBM.高分级脑胶质瘤高度恶性占有所肿瘤的2%.?高发年龄:50–70岁治疗原则:S+RTCT.?MST:9–12months.多形胶母(GBM)基本概况切除范围受解剖位置限制,单纯手术:MST3–6months,?完整切除生存较好SimpsonIJROBP1993手术
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