摘要
目的:探讨颅内节细胞胶质瘤的MRI征象。方法:回顾性分析16例经手术和病理证实的脑内节细胞胶质瘤的MRI征象。结果:肿瘤位于大脑半球13例,其中位于颞叶6例,额叶4例,顶叶2例,枕叶1例;位于丘脑1例;位于鞍上区1例;位于四脑室1例。囊性病变2例,囊实性病变8例,实性病变6例。T1WI病变囊性部分呈低信号,实性部分呈低信号(n=9)或等信号(n=5);T2WI囊性部分呈高信号,实性部分呈等信号或高信号;增强扫描示病变实性部分及壁结节明显或轻度强化,囊壁强化(n=4)或不强化(n=6)。结论:MRI检查可较好地显示肿瘤的部位、形态及其与邻近组织的关系,有助于对脑内节细胞胶质瘤的诊断及鉴别诊断。
Objective：To study the MRI characteristics of cerebral ganglioglioma. Methods： The MRI features of 16 patients with cerebral ganglioglioma confirmed by surgery and pathology were retrospectively analyzed. Results：The tumors located at cerebrum （13 cases,including temporal lobe,n 6;frontal lobe,n=4;parietal lobe, n= 2 ; occipital lobe,n=1）;at thalamus,suprasellar area and the fourth ventricle for 1 patient each. The lesions appeared as cystic （n ： 2）, cystic-solid （n： 8） and solid lesion （n= 6）. The cystic component showed hypointensity and the solid component isointensity/hypointensity on TI WI and the cystic component showed hyperintensity and the solid component isointensity/hyperintensity on T2 WI. After intravenous administration of GD-DTPA, the solid component and mural nodules showed marked or mild enhancement,and the wall of cyst was enhanced or non-enhanced. Conclusion;The location, shape of tumors and their relation with adjacent structure could be distinctly and precisely assessed on MRI,which is helpful in the diagnosis and differential diagnosis of cerebral ganglioglioma.
出处
《放射学实践》
北大核心
2010年第11期1212-1215,共4页
Radiologic Practice
关键词
脑肿瘤
节细胞胶质瘤
磁共振成像
Brain neoplasms
Ganglioglioma
Magnetic resonance imaging
