肾脏原发性平滑肌肉瘤的CT表现

吴凌峰1,黄金标2,张道春2

中国临床医学影像杂志 ›› 2016, Vol. 27 ›› Issue (3) : 215-217.

中国临床医学影像杂志 ›› 2016, Vol. 27 ›› Issue (3) : 215-217.
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肾脏原发性平滑肌肉瘤的CT表现

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CT imaging features of primary renal leiomyosarcoma

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摘要

目的:探讨肾脏原发性平滑肌肉瘤的CT表现,以提高对本病的认识。材料和方法:回顾性分析本院经病理证实的5例肾脏原发性平滑肌肉瘤的CT表现及临床资料;5例中男2例,女3例,年龄41~66岁,平均53岁。结果:5例均为单发,外生性生长3例,同时向肾内、外生长2例;类圆形4例,分叶状1例;边界不清者2例,边界尚清者3例。4例体积较大(直径>5 cm),平扫表现为不均匀等、低密度影,内见多发斑片状坏死,其中合并少许出血者1例,增强扫描病灶实性部分呈不均匀持续性强化,其内低密度坏死区始终未见强化;另1例体积较小(直径<5 cm),表现为均匀等、稍高密度影,增强扫描呈中度均匀持续性强化。5例病变动脉期强化程度均低于肾皮质。累及肾盂、输尿管者2例,侵犯肾周筋膜及腰大肌者1例,腹膜后淋巴结肿大者2例。结论:肾脏原发性平滑肌肉瘤的CT表现特点对其诊断及鉴别诊断可提供有价值的信息,但最终确诊仍有赖于病理组织学和免疫组织化学检查。

关键词

平滑肌肉瘤;肾肿瘤;体层摄影术 / X线计算机

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吴凌峰1,黄金标2,张道春2. 肾脏原发性平滑肌肉瘤的CT表现[J]. 中国临床医学影像杂志. 2016, 27(3): 215-217
WU Ling-feng1, HUANG Jin-biao2, ZHANG Dao-chun2. CT imaging features of primary renal leiomyosarcoma[J]. Journal of China Clinic Medical Imaging. 2016, 27(3): 215-217
中图分类号: R738.7    R737.11    R814.42   

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