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小脑毛细胞型星形细胞瘤的影像诊断 被引量:1

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摘要 目的总结小脑毛细胞型星形细胞瘤的影像表现特点。方法回顾分析10例经手术病理证实的小脑毛细胞星形细胞瘤的CT和MRI表现。结果10例患者肿瘤位于右侧小脑半球5例,左侧3例,小脑蚓部2例;CT和MRI表现为类圆形或边缘略不规则形肿块,9例为囊实性,1例为实性,瘤周无水肿或水肿轻微,7例因肿瘤压迫四脑室出现梗阻性脑积水。结论小脑毛细胞星形细胞瘤的影像表现具有特征性,MRI在显示肿瘤本身结构及其与周围组织关系方面明显优于CT。诊断时有时需与血管母细胞瘤、髓母细胞瘤及转移瘤相鉴别。
出处 《医药论坛杂志》 2007年第6期54-54,56,共2页 Journal of Medical Forum
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