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颅内孤立性纤维瘤的影像学和病理学特征 被引量:5

Imaging and pathological features of intracranial solitary fibrous tumor
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摘要 目的探讨颅内孤立性纤维瘤的影像学和病理学特征。方法回顾性分析4例经手术病理证实颅内孤立性纤维瘤的MRI表现以及病理学资料,并结合文献复习。结果肿瘤发生在幕上3例,跨越幕上和幕下1例。肿瘤主体T 1WI呈等信号,T 2WI呈等/低或稍高信号,1例病灶内伴有囊变、坏死,2例病灶内有流空信号,瘤周无水肿或轻度水肿。增强后均明显强化,2例见脑膜尾征。免疫组织化学检查CD34、CD99以及Vim均为阳性,S-100为阴性。结论颅内孤立性纤维瘤MR表现有一定特征性,瘤内出现粗大的流空信号、T 2WI低信号区明显强化是具有诊断价值的征象,最终确诊需依靠免疫组织化学检查。
作者 陶静雄 梁奕 王佳 吕晶 范文辉 杜柏林 TAO Jingxiong;LIANG Yi;WANG Jia
出处 《医学影像学杂志》 2019年第11期1976-1978,共3页 Journal of Medical Imaging
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