表观扩散系数（ADC）值评估乳腺影像报告和数据系统（BI-RADS）4类乳腺病变：与病理结果的相关性
Apparent diffusion coefficient (ADC) value to evaluate BI-RADS 4 breast lesions: correlation with pathological findings.
作者信息
Ramírez-Galván Yazmín Aseret, Cardona-Huerta Servando, Ibarra-Fombona Elfa, Elizondo-Riojas Guillermo
出版信息
Clin Imaging. 2015 Jan-Feb;39(1):51-5. doi: 10.1016/j.clinimag.2014.09.015. Epub 2014 Oct 16.
Diffusion-weighted imaging and apparent diffusion coefficient (ADC) of 36 breast lesions previously categorized as 4 according to the Breast Imaging Reporting and Data System (BI-RADS) were prospectively studied. The pathological results were 21 benign lesions and 15 malignant. The ADC of malignant lesions was significantly lower than that of the benign ones (0.87 ± 0.12 × 10(-3) mm(2)/s vs. 1.41 ± 0.22 × 10(-3) mm(2)/s, respectively) (P<.001). Using a threshold ADC value of 1.08 × 10(-3) mm(2)/s, a sensitivity of 95% and specificity of 100% were obtained.
对36个先前根据乳腺影像报告和数据系统（BI-RADS）分类为4类的乳腺病变进行了扩散加权成像和表观扩散系数（ADC）的前瞻性研究。病理结果为21个良性病变和15个恶性病变。恶性病变的ADC显著低于良性病变（分别为0.87±0.12×10⁻³mm²/s和1.41±0.22×10⁻³mm²/s）（P<0.001）。使用1.08×10⁻³mm²/s的ADC阈值，获得了95%的敏感性和100%的特异性。
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