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zuo fei jian xiong mo xia yi wei xiong xian liu yi li
Author(s): 
Pages: 1924
Year: Issue:  12
Journal: Journal of Clinical Radiology

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Abstract: 患者 男,45岁.因体检发现左肺尖胸膜下肿块2周而入院.体检:神志清楚,心、肺、腹未见异常,双侧颈部锁骨上区未触及明显肿大淋巴结.胸部CT示:左肺尖胸膜下可见不规则软组织密度影,边界清晰,边缘光整未见毛刺,最大断面约5.1cm×3.1 cm,病灶内侧密度较低,CT值约-10~-8 HU,前外侧密度较高呈软组织密度影;冠状位重建显示病灶广基底贴于肺尖胸膜下,邻近骨质未见破坏,增强扫描病灶实质部分呈渐进中度上均匀强化,CT值最高达72 HU,内缘稍低密度影未见明显异常对比强化,病灶似乎经第1、2肋间隙向外生长(图1A、B).初步诊断:神经源性肿瘤可能,不除外胸膜来源(孤立性纤维瘤).
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