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额窦囊性滑膜肉瘤(单相型)一例

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Author:
No author available
Journal Title:
Chinese Journal of Radiology
Issue:
2
DOI:
10.3760/cma.j.issn.1005-1201.2018.02.016
Key Word:
No keyword available

Abstract: 患者女,73岁.因左眼睑下垂1个月,加重伴额部胀痛、涕中带血20余天入院.体检:左额部稍隆起、压痛、皮肤无红肿、皮温不高.影像表现:鼻窦CT平扫(图1)与增强扫描(图2)示额窦内不规则软组织肿块,密度不均匀,其内见小片状钙化,病灶向前侵犯额窦前壁突向额部皮下,额窦后壁骨质破坏、中断,增强扫描肿块呈不均匀明显强化;CT冠状面骨窗(图3)示肿块侵犯左侧眶顶壁并突入眶内,左侧眼球受压下移.鼻窦MRI平扫T1WI(图4)示额窦病灶呈稍低和低信号;T2WI呈稍高和高信号为主的囊实混杂信号,其内可见"液-液平面"(图5)及条带状低信号分隔(图6),病灶大小5.9 cm×1.9 cm×2.4 cm,增强扫描呈不均匀明显强化,囊性部分未见强化(图7).

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