低度恶性潜能多房囊性肾肿瘤与多房囊性肾瘤的MRI鉴别诊断价值研究

Functional and Molecular Medical Imaging(Electronic Edition)(2020)

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Abstract
目的 比较低度恶性潜能多房囊性肾肿瘤(MCRNLMP)与多房囊性肾瘤(MLCN)的MRI表现,提高两种疾病术前诊断及鉴别诊断的准确性.方法 回顾性分析经手术病理证实的20例MCRNLMP患者和8例MLCN患者MRI影像学资料,总结两种病变的MRI表现.结果 28例患者均表现为单发多房囊样病灶.20例MCRNLMP患者中囊壁及分隔厚度约(5.1±1.9)cm,浅分叶状4例,伴壁结节12例,伴软组织影5例,囊壁及分隔皮质期明显强化15例.8例MLCN患者中囊壁及分隔厚度约(2.3± 1.1)cm,浅分叶状7例,均未见壁结节及实质部分,囊壁及分隔皮质期明显强化1例.MCRNLMP和MLCN的MRI表现中,肿瘤浅分叶、壁结节、囊壁及分隔最大径及其皮质期强化特点的差异均有统计学意义(P<0.05).结论 MRI有助于术前对MCRNLMP与MLCN的鉴别诊断.
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