阑尾黏液性囊腺瘤的CT诊断价值

Radiologic Practice(2011)

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Abstract
目的:探讨阑尾黏液性囊腺瘤CT表现,提高其术前正确诊断水平。方法:经手术病理证实的7例阑尾黏液性囊腺瘤均行16层螺旋CT检查,常规行CT平扫加动态增强扫描。回顾性分析其CT表现。结果:所有患者术前CT均未能做出正确诊断,7例均表现为右侧髂窝处边缘光整的椭圆形、类圆形囊性肿块,MPR图像上表现为长椭圆形或类圆形,囊壁均匀薄壁4例,囊壁厚度不均并见乳头状突起及囊内分隔3例;动态增强扫描呈中等程度强化3例,无明显强化4例。阑尾管壁增厚、肿块邻近脂肪模糊1例,伴有腹腔内多发囊性肿块及腹腔积液1例。结论:当CT检查发现右侧髂窝处囊性肿块,囊壁厚度不均伴或不伴有囊内分隔及乳头状突起等CT表现时,影像科医师应考虑到阑尾黏液性囊腺瘤的诊断,从而避免发生医源性腹腔假性黏液瘤。
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Key words
Cystadenoma,X-ray computed,Tomography,Appendix
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