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Fig. 3. Images from 44-year-old woman with invasive ductal carcinoma.A. B-mode image shows 29-mm, irregular, indistinct, hypoechoic mass with internal microcalcifications, which is assessed as BI-RADS category 4C. B. SMI image shows penetrating vessel (arrow) and branching vessels. Vascular index is 25.5%. C. CEUS image shows hyperenhancement of lesion with penetrating vessel (arrow) and perfusion defect (arrowhead). Time-intensity curve shows strong and fast enhancement: peak intensity, 71.6 × 10−5 AU; slope, 9.8 × 10−5 AU/sec; and area under curve, 1286 × 10−5 AU·sec. D. Microvessels (arrowheads) are assessed via immunohistochemical staining with CD34, and mass shows high MVD, 69.3 (× 200 magnification). BI-RADS = Breast Imaging Reporting and Data System, MVD = microvessel density Fig. 3. Images from 44-year-old woman with invasive ductal carcinoma.A. B-mode image shows 29-mm, irregular, indistinct, hypoechoic mass with internal microcalcifications, which is assessed as BI-RADS category 4C. B. SMI image shows penetrating vessel (arrow) and… Korean J Radiol May;20(5):
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