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头部血管平滑肌瘤四例MR分析 被引量:2

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摘要 血管平滑肌瘤(angioleiomyoma,ALM)是一种良性软组织肿瘤,由成熟的平滑肌细胞和血管组成,原发性颅内病变非常罕见[1]。笔者回顾性分析4例头部血管平滑肌瘤临床及MRI表现,以提高对血管平滑肌瘤的认识,结合文献报道如下。病例资料病例1,女,35岁。无明显诱因出现左下肢跛行1年余,无感觉异常,口角向右侧稍偏斜。体检及实验室检查均未见明显异常。MRI表现:双侧侧脑室体部水平中线旁见团块状T1WI呈低信号、T2WI呈高信号影,DWI高b值扩散受限呈高信号,病变以中线右旁为著,双侧侧脑室、第三脑室呈受压改变。增强后,病变可见明显强化,边界清(图1a^1c)。MR诊断为脑膜瘤。
出处 《影像诊断与介入放射学》 2020年第5期380-383,共4页 Diagnostic Imaging & Interventional Radiology
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