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小肠间质瘤的CT影像诊断 被引量:1

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摘要 目的:探讨小肠间质瘤的CT影像学特点。方法:选择经手术并病理证实的小肠间质瘤12例行CT平扫,后均作双期增强检查。结果:病灶位于十二指肠2例,回肠6例,空肠4例。肿瘤呈圆形或类圆形5例,肿瘤形态不规则,呈分叶状7例;肿瘤最大直径7~10cm,平均4.5cm;平扫时肿瘤呈软组织密度,有6例肿块内见低密度坏死囊变区;7例肿瘤边缘实质部分明显强化,5例肿瘤轻~中等强化;静脉期肿瘤均持续增高强化,6例肿块内低密度坏死囊变区增强后无强化;7例肿瘤突破浆膜向肠腔外生长。结论:小肠间质瘤CT平扫呈软组织密度,双期增强后呈持续明显增高强化,对术前诊断有较大价值。
出处 《临床误诊误治》 2008年第7期18-20,共3页 Clinical Misdiagnosis & Mistherapy
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