摘要
目的分析与对比三阴性乳腺癌(TNBC)与非三阴性乳腺癌(non-TNBC)的MRI影像学表现。方法选取经手术病理证实的乳腺癌患者90例,其中TNBC 30例,non-TNBC 60例。所有患者术前均行乳腺MRI检查。对患者的病灶MRI表现,包括病灶形状、边界、大小、数目、内部强化、时间信号强度曲线(TIC)类型、最大强化率(Emax)、峰值时间(Tmax)和表观扩散系数(ADC)进行分析。结果 TNBC在MRI上大多表现为圆形或分叶状、病灶较小、T2信号较高以及ADC值更低,强化峰值时间短,最大强化率高(P<0.01),而在病灶边缘、数目、强化方式、TIC曲线上与non-TNBC比较差异无统计学意义(P>0.05)。结论 TNBC的MRI表现有一定特点,熟悉其影像表现可以提高术前诊断。
Objective To analyze and compare the MR imaging findings between triple-negative breast cancer （TNBC） andnon-triple-negative breast cancer （non-TNBC）. Methods 90 cases of patients with breast cancer that proved by operation and pathology（TNBC 30 cases, non-TNBC 60 cases） were selected and given breast MRI before surgery. The shape of tumor, margin, size, number,intra-tumoral enhancement, time-signal intensity curve （TIC） pattern, maximum enhancement （Emax）, peak time （Tmax） and apparentdiffusion coefficient （ADC） value of patients displaying on MRI were analyzed. Results Most of the TNBC showed small lesions with roundor lobulated shape, higher T2 signal, lower ADC value, shorter Tmax and higher Emax （P〈0.05）. No statistical difference was found in theedge and number of lesions, strengthening mode and TIC between TNBC and non-TNBC （P 〉0.05）. Conclusions TNBC has some MRimaging features. Being familiar with its imaging performance can improve the preoperative diagnosis.
出处
《临床医学工程》
2017年第1期1-2,共2页
Clinical Medicine & Engineering
基金
广州市医药卫生科技项目(项目编号:20131A11041)
关键词
乳腺肿瘤
三阴性乳腺癌
磁共振成像
Breast cancer
Triple-negative breast cancer
Magnetic resonance imaging
