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颅内不典型孤立性纤维瘤1例

Intracranial atypical solitary fibrous tumors:one case report
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摘要 患者 女,77岁。因左下肢乏力伴行走不稳4月,左上肢活动不灵,视物重影就诊。查体:神清,左下肢肌力3级,左上肢肌力4级,左侧感觉性共济失调。MRI示:右顶叶类圆形团块影,T 1WI呈等信号,其内见血管流空影(图1),T 2WI呈以等信号为主的混杂信号影,周围见水肿带,占位效应明显(图2),增强扫描病灶不均匀强化,见“脑膜尾征”(图3)。手术及病理:术中见病灶与脑组织黏连密切,血运丰富,质地较硬。镜下:细胞呈旋涡状排列,核深染,核分裂象易见(图4)。免疫组化:CD34(+)、Bcl-2(+)、Vimentin(+)、Ki-67(40%)。病理:低度恶性孤立性纤维瘤。
出处 《医学影像学杂志》 2018年第4期582-582,586,共2页 Journal of Medical Imaging
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