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颅内孤立性纤维性肿瘤的MRI表现

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摘要 目的探讨颅内孤立性纤维性肿瘤的MRI表现。方法回顾性分析12例经手术和病理检查确诊的颅内弧立性纤维性肿瘤的MRI资料。结果 12例患者病变均位于幕上,类圆形或椭圆形伴浅分叶,边界清晰;平扫T2WI呈等低信号,T1WI呈等信号,DWI呈低信号;增强后明显强化,病变与硬脑膜及颅骨内板宽基底相连9例(75.0%)、窄基底相连3例(25.0%);6例伴有粗短光滑的脑膜尾征(50.0%);瘤周轻度水肿8例(66.7%);最大直径2.5~5.3 cm,平均(4.5±1.0)cm。结论颅内孤立性纤维性肿瘤的MRI表现具有一定的特征性,有助于术前准确诊断。
出处 《卫生职业教育》 2017年第11期149-151,共3页 HEALTH VOCATIONAL EDUCATION
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