The goal of our study was to investigate the value of color-coded Virtual Touch tissue imaging (VTI) using acoustic radiation force impulse (ARFI) technology in the characterization of breast lesions and to compare it with conventional ultrasound (US). Conventional US and color-coded VTI were performed in 196 solid breast lesions in 196 consecutive women (age range 17-91 y; mean 48.17 ± 14.46 y). A four-point scale VTI score was assigned for each lesion according to the color pattern both in the lesion and in the surrounding breast tissue. The mean VTI score was significantly higher for malignant lesions (3.80 ± 0.66, range 1-4) than for benign ones (2.02 ± 1.20, range 1-4) (p < 0.001), and the optimal cut-off value was between score 3 and score 4. The area under the receiver operating characteristic (ROC) curve for combined conventional US and VTI (0.945) was significantly higher than that for conventional US (0.902) and for VTI (0.871) (p = 0.0021 and p < 0.001, respectively). It was concluded that color-coded VTI with the proposed four-point scale score system combined with conventional US might have the potential to aid in the characterization of benign and malignant breast lesions.

译文

我们研究的目的是研究使用声辐射力冲动 (ARFI) 技术的彩色编码虚拟触摸组织成像 (VTI) 在乳腺病变特征中的价值,并将其与常规超声 (US) 进行比较。在连续196名女性 (年龄范围17-91岁; 平均48.17 ± 14.46岁) 的196个乳腺实体病变中进行了常规US和颜色编码的VTI。根据病变和周围乳腺组织中的颜色模式,为每个病变分配四点VTI评分。恶性病变的平均VTI评分 (3.80 ± 0.66,范围1-4) 明显高于良性病变 (2.02 ± 1.20,范围1-4) (p <0.001),最佳临界值介于3分和4分之间。组合常规US和VTI (0.945) 的接收器工作特性 (ROC) 曲线下的面积显著高于常规US (0.902) 和VTI (0.871) (分别为p = 0.0021和p <0.001)。结论是,将颜色编码的VTI与拟议的四点量表评分系统结合使用常规US可能具有帮助表征良性和恶性乳腺病变的潜力。

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