非特异性乳腺炎的MRI表现及与乳腺癌的鉴别诊断

发布时间：2018-04-18 12:03

  本文选题：乳腺炎 + 乳腺肿瘤　； 参考：《中国临床医学影像杂志》2017年11期

【摘要】：目的:探讨非特异性乳腺炎的MRI表现及与乳腺癌的鉴别诊断。方法 :分析2013年1月—2016年3月病理证实的非特异性乳腺炎29例30个病灶的MRI表现,同时随机抽取相同时段经病理证实的乳腺癌患者20例作为对照组,比较2组间在MRI平扫、DWI、DCE、EER、时间-信号曲线(TIC)、MIP表现的异同。结果:30个炎性病变,13例病变区含有脂肪信号,全部病例于T2WI均见有高信号;28例病变环状强化或伴强化分隔,29例DWI呈高信号,ADC值平均(0.707±0.181)×10-3 mm2/s,其中53.3%的病例0.700×10~(-3)mm~2/s;73.3%的TICⅠ型;EER:平均123%±50%,80%26例,≤80%4例。MIP:21例血运增加。20例乳腺癌,2例于T2WI呈稍高信号,10例表现为向心性环状强化;DWI均呈高信号,ADC值平均(0.874±0.108)×10-3 mm2/s,2例0.700×10~(-3)mm~2/s,85%的TIC为Ⅱ~Ⅲ型;EER:平均137%±36%,80%19例,≤80%1例;MIP:16例血运增加。以≤0.700×10-3 mm2/s为炎性病变,ADC值对炎性病变的敏感性88.89%,特异性56.25%,准确性68%,二者之间的差异有统计学意义(χ~2=6.74,P0.01)。TIC以Ⅰ型为良性病变,Ⅱ、Ⅲ型为恶性病变,TIC在二者之间有统计学意义(χ~2=16.33,P0.01);EER及MIP在二者之间没有统计学意义(χ~2=0.23(校正),P0.05;χ~2=0.62,P0.05)。结论 :非特异性乳腺炎MRI表现具有一定特征性,MRI平扫结合动态增强扫描形态学及血流动力学参数对乳腺癌的鉴别诊断有重要价值。
[Abstract]:Objective: to investigate the MRI features of non-specific mastitis and its differential diagnosis with breast cancer.Methods: the MRI findings of 30 lesions in 29 patients with pathologically proved nonspecific mastitis from January 2013 to March 2016 were analyzed. 20 patients with breast cancer confirmed by pathology at the same time were randomly selected as control group.To compare the differences and similarities between the two groups in MRI plain scan of DWI and DCEE, time-signal curve.Results: there were 30 inflammatory lesions with fatty signal in 13 cases, all of them had hyperintense lesions with or without circular enhancement or enhanced septum. 29 cases of DWI showed high signal intensity of 0.707 卤0.181) 脳 10 ~ (-3) mm ~ (2) / s, of which 53.3% were 0.700 脳 10 ~ (-3) mm ~ (-2) / s of TIC type 鈪，

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