57-year-old with biopsy proven DCIS in the left breast presents for MR-directed ultrasound of the left breast for an enhancing mass located posterior to the known DCIS in the recent MRI (12/8/2015). Focused ultrasound of the left breast at 12:00 position is performed. Detected is an irregularly shaped hypoechoic mass measuring 5 x 3 mm at 12:00 position, 4 cm from the nipple, likely corresponding to the enhancing mass seen on the MRI.
MR-directed ultrasound of the left breast detected a sonographic correlate of the enhancing lesion at 12:00 position. Ultrasound-guided biopsy is recommended.BIRADS: 4 - Suspicious Abnormality.RECOMMENDATION: H - Percutaneous Biopsy/Aspiration.