46-year-old female presents for MR-directed ultrasound for the left breast. History of bilateral mastectomies for left breast cancer in 2015. Focused ultrasound was performed for the left medial breast. There is a hypoechoic mass with irregular margins with increased blood flow at 9:00 position measuring 9 x 4 x 6 mm (prior measurement: 5 x 3 x 5 mm). This lesion corresponds to MR findings.
MR directed ultrasound detected a suspicious lesion at 9:00 position in the left breast, correlating to the MR findings. Ultrasound-guided biopsy is recommended.BIRADS: 4 - Suspicious Abnormality.RECOMMENDATION: H - Percutaneous Biopsy/Aspiration.