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Application value of MRI in confirming sellar and parasellar tumors
Author(s): 
Pages: 147-149
Year: Issue:  2
Journal: ACTA ACADEMIAE MEDICINAE WANNAN

Keyword:  鞍区肿瘤磁共振成像;
Abstract: 目的:探讨MRI在鞍区肿瘤诊断中的价值.方法:40例经手术和病理证实的鞍区肿瘤病人,对其MRI表现进行回顾性分析.结果:垂体瘤20例,颅咽管瘤8例,脑膜瘤6例,MRI表现具有特征性,术前诊断正确率较高.脊索瘤2例,星形细胞瘤1例,生殖细胞瘤1例,嗅神经母细胞瘤和浆细胞瘤各1例,MRI表现缺乏典型征象,往往难以诊断,其中3例误诊.结论:MRI检查,尤其是三维成像技术(横轴位、矢状位、冠状位)可显示鞍区肿瘤的内部结构、生长方式、侵犯范围及其与周围血管的关系,对鞍区肿瘤定位、定性诊断有重要价值.
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