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The Analysis on CT Diagnosis and Misdiagnosis for Renal Epithelioid Angiomyolipoma
Author(s): 
Pages: 1854-1857
Year: Issue:  12
Journal: Journal of Clinical Radiology

Keyword:  KidneyEpithelioid angiomyolipomaMulti-slice spiral computed tomography;
Abstract: 目的 分析肾上皮样血管平滑肌脂肪瘤(EAML)的CT影像表现和误诊原因,以期进一步提高EAML的诊断准确率.方法 回顾性分析经手术病理证实的13例肾EAML患者CT特征表现,其中11例行CT平扫及增强扫描,2例行CT平扫.结果 CT提示肾癌8例,肉瘤1例,肾血管平滑脂肪瘤4例.所有病例瘤体最大径均>5 cm,均突向肾轮廓外;CT平扫12例病灶密度稍高于肾皮质,7例合并出血,8例合并坏死,4例病灶含脂肪;增强扫描皮质期强化11例,髓质期强化程度减退7例,持续强化4例.2例合并腹膜后淋巴结转移,1例伴有肺肝转移.结论 肾EAML的CT表现具有一定特征性,有助于术前定性诊断.
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