超微血管成像——一种用于无血管乳腺肿块的新型血管检测超声技术：一项初步研究。
Superb Microvascular Imaging-A new vascular detecting ultrasonographic technique for avascular breast masses: A preliminary study.
作者信息
Zhan Jia, Diao Xue-Hong, Jin Jia-Mei, Chen Lin, Chen Yue
机构信息
Department of Ultrasound Huadong Hospital, Fudan University, Shanghai, PR China.
出版信息
Eur J Radiol. 2016 May;85(5):915-21. doi: 10.1016/j.ejrad.2015.12.011. Epub 2016 Jan 18.
OBJECTIVES
Superb Microvascular Imaging (SMI) is a new vascular imaging technique detecting a slower velocity that color Doppler flow image (CDFI) cannot. The aim of this study is to evaluate the clinical value of SMI for detecting penetrating vessels (PVs) in avascular breast lesions.
METHODS
Seventy-nine patients with 82 breast lesions were examined by conventional ultrasound and diagnosed as Breast Imaging Reporting and Data System (BI-RADS) level 3 or 4. CDFI detected no PVs; subsequently, Power Doppler (PD), Advanced Dynamic Flow (ADF), and SMI were performed to detect any PVs in the breast lesions.
RESULTS
Compared with PD or ADF, SMI revealed significantly (P<0.01) higher median numbers of PVs in breast lesions. The area under the receiver operating characteristic curve was 0.914 before the corrected classification versus 0.947 after the corrected classification (P<0.05).
CONCLUSIONS
SMI was helpful in the differential diagnosis of benign versus malignant in avascular breast lesions, especially those in BI-RADS category 4.
目的
超微血管成像（SMI）是一种新的血管成像技术，能够检测彩色多普勒血流成像（CDFI）无法检测到的较慢血流速度。本研究的目的是评估SMI在检测无血管乳腺病变中的穿支血管（PVs）的临床价值。
方法
对79例患有82个乳腺病变的患者进行常规超声检查，并诊断为乳腺影像报告和数据系统（BI-RADS）3级或4级。CDFI未检测到PVs；随后，进行能量多普勒（PD）、高级动态血流（ADF）和SMI检查，以检测乳腺病变中的任何PVs。
结果
与PD或ADF相比，SMI显示乳腺病变中PVs的中位数显著更高（P<0.01）。校正分类前的受试者操作特征曲线下面积为0.914，校正分类后为0.947（P<0.05）。
结论
SMI有助于无血管乳腺病变的良恶性鉴别诊断，尤其是BI-RADS 4类病变。
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