Fig. 2From: The comparative study of color doppler flow imaging, superb microvascular imaging, contrast-enhanced ultrasound micro flow imaging in blood flow analysis of solid renal massA solid tumor of the right kidney A ultrasound imaging, hypoechoic mass with unclear boundary, regular shape, and inhomogeneous internal echo B SMI show multiple large vessels and their dot and linear blood flow branches around and inside the tumor, blood flow grade 3 C MFI ultrasonography showed more clearly vascular branches than SMI, and it could show the branch shape. blood flow grade 3. The pathological result was clear cell renal cell carcinomaBack to article page