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多排螺旋CT对胃肠道间质瘤的鉴别诊断价值 被引量:4

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摘要 目的:探讨多排螺旋CT对胃肠道间质瘤的诊断及鉴别价值。方法:对本院经手术和病理证实的35例胃肠道间质瘤患者的CT影像资料进行回顾性分析。结果:35例均为单发,位于胃部20例、十二指肠3例、空肠5例、回肠3例、小肠系膜2例、食管1例、直肠1例。病灶最大径2.3~16.5 cm,13例体积较小(<5.0 cm),多呈类圆形(84.6%,11/13),密度均匀(92.3%,12/13),境界清(100%,13/13),增强后轻中度均匀强化;22例体积较大(>5.0 cm),多呈不规则分叶状(86.4%,19/22),密度不均匀(90.9%,20/22),中心可见囊变坏死区(81.8%,18/22),少数可见出血(13.6%,3/22)、溃疡(13.6%,3/22)及钙化(9.1%,1/22),可直接侵犯周围结构(31.8%,7/22)及伴有远处转移(27.3%,6/22),增强后不均匀中度至明显强化,部分病灶内或瘤旁可见增粗供血动脉。结论:多排螺旋CT平扫及增强扫描显著提高了胃肠道间质瘤的检出率和诊断准确性,对胃肠道间质瘤的诊断及鉴别具有重要价值。
出处 《南京医科大学学报(自然科学版)》 CAS CSCD 北大核心 2011年第10期1513-1515,共3页 Journal of Nanjing Medical University(Natural Sciences)
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