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小儿先天性中胚层肾瘤的CT表现和病理特征

LIU Hongxia,HAN Yanxiu, LI Ping, LIU Fei, LI Hongjian, WEN Xin, MIAO Zhongyan,FANG Zehui

Chinese Journal of Radiological Health(2020)

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Abstract
目的 探讨小儿先天性中胚层肾瘤(CMN)的CT表现与病理特征.方法 回顾性分析我院经手术病理证实的8例CMN患者临床资料,回顾性分析其CT征象和病理特征.结果 8例均为单侧发病,呈膨胀性生长,与肾脏边界欠清晰;8例肿块均呈囊实性,密度混杂,内见坏死及囊变;4例见斑片状出血灶.增强扫描8例肿块均呈不均匀强化,内见囊性不强化区,6例瘤体内见迂曲、强化血管影,8例肿块均可见延迟强化及肿瘤周边环形强化.8例均未见钙化灶及淋巴结转移.结论 发生于小儿的CMN具有特定的影像学征象,总结其影像表现并与病理对照,有助于本病诊断.
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