Contrast-enhanced ultrasound improved performance of breast imaging reporting and data system evaluation of critical breast lesions

Figure 2 Enhancement patterns of triple-negative Iinvasive ductal carcinoma. A: Color Doppler flow imaging with hypo-vascular; B and C: Homogeneous hyper-enhancement with rapid wash-in, irregular shape, clear margin and equal size, without perfusion defect, penetrating vessel and crab claw-like pattern; D: Mammography shows an adenoma or benign phyllodes tumor- like appearance with sharp clear margin and regular shape.