乳腺复杂硬化性病变与浸润性乳腺癌的MR影像比较及病理分析
Chinese Computed Medical Imaging(2019)
Abstract
目的:比较乳腺复杂硬化性病变 (CSL) 与浸润性癌 (IC) 的MR影像差异及病理特点.方法:回顾性分析27例经病理证实的CSL病例, 与同期33例IC病例进行对比分析, 对患者的病理及MRI资料进行分析比较.结果:CSL组患者平均年龄为45.7±8.4岁, IC组为57.8±14.2岁 (P=0.000).CSL病灶大小1.19±0.64cm, IC为2.14±1.35cm (P=0.001).59.3%的CSL和69.7%的IC病例MRI表现两者相似.T1WI低信号有25例IC (75.8%) , 13例CSL (48.1%) , 有统计学差异 (P=0.027) ;T2WI信号强度 (P=0.386) 和STIR信号强度 (P=0.093) 无统计学差异.时间-信号强度曲线 (TIC) 19例CSL病例Ⅰ型、7例Ⅱ型, 20例IC病例为Ⅲ型曲线.33例IC中3例边缘环形强化, CSL均无.CSL平均ADC值0.00137mm2/s, IC为0.00104mm2/s.结论:与CSL相比, IC多发生于老年妇女, 直径较大, T1WI信号较低, ADC值小于0.0012mm2/s, TIC最常见Ⅲ型.
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Key words
Breast,Complex sclerosing lesions,Invasive carcinoma,MRI
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