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囊性少突胶质细胞瘤MRI表现

Jian JIANG,Jianli LIU,Xueling ZHANG,Liangcai BAI,Li DONG,Junlin ZHOU

Chinese Journal of Medical Imaging Technology（2018）

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Abstract
目的 探讨囊性少突胶质细胞瘤的MRI表现.方法 回顾性分析经手术病理证实的10例囊性少突胶质细胞瘤的MRI表现.结果 10例中,8例病灶位于幕上,2例病灶位于幕下小脑蚓部;9例为单发病灶,仅1例为多发病灶;完全囊性病变4例,大囊伴类结节病变3例,多房囊性病变3例;7例病灶囊壁光滑、规则,3例囊壁局部凹陷、毛糙.3例病灶可见钙化.9例轻度瘤周水肿,1例中、重度水肿.增强后3例病灶实性成分明显强化,3例病灶囊壁呈明显环形强化,1例囊壁呈局灶性强化.结论 COD术前准确诊断较难,其MRI表现具有一定特点.对发生于幕上表浅部位、完全囊性或伴有结节和/或分隔的大囊性病变,应考虑到本病可能.
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Key words
Oligodendroglioma,Magnetic resonance imaging
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