炎性肌纤维母细胞瘤19例多层螺旋 CT表现特征分析

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目的:总结CT诊断炎性肌纤维母细胞瘤( IMT)的特征。方法回顾性分析该院经穿刺活检和手术病理证实的19例IMT的CT表现。19例中肿瘤发生在肺部6例,腹腔5例,肝脏4例,颈部软组织、胃、气管和中颅窝各1例。结果 CT平扫示14例病灶呈不均匀低密度,4例病灶呈等密度,1例为高密度。病灶形态为圆形、类圆形和不规则团块状17例,囊实性包块2例且均发生于腹腔;1例肺、1例胃IMT中,瘤内可见钙化。增强扫描动脉期示15例病灶为轻度至中度强化或不强化,14例病灶在门脉期和延迟期继续强化。1例肝脏IMT表现为“花环状
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