Research Article

Acoustic Radiation Force Impulse Technology in the Differential Diagnosis of Solid Breast Masses with Different Sizes: Which Features Are Most Efficient?

Figure 3

A big invasive ductal carcinoma in a 56-year-old woman. (a) B-mode US image shows a 24 mm irregular hypoechoic mass with ill-defined margins, coarse calcification, and microcalcification; (b) VTI shows Pattern 4 and an AR of 1.60; (c) VTQ measures a SWV of 5.81 m/s; (d) histopathologic examination shows stromal fibrous proliferation with hyaline change and relatively few cancer cells (hematoxylin-eosin, original magnification ×100).
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