40 year-old female with family history of breast carcinoma in her mother at age 69 and a paternal aunt. History of bilateral breast implants. Known left breast fibroadenoma. Heterogeneous fibroglandular tissue with marked background parenchymal enhancement is noted bilaterally. Bilateral retropectoral saline implants are identified. The implants demonstrate normal contour with no evidence for rupture. At the approximate 1:00 position of the left breast, posterior depth, there is a 1.0 cm intermediate signal intensity nonenhancing mass best seen on the T2 weighted sequence, corresponding to the benign morphology mass on recent ultrasound, likely the patient's known fibroadenoma. A nonenhancing cyst is present at the 6 o'clock position of the left breast.No abnormal enhancement is seen in either breast. No abnormal axillary lymph nodes are identified in either axillary region.
Benign morphology left breast mass, corresponding to the known left breast fibroadenoma. No MRI evidence for malignancy. BIRADS: 2 - Benign finding.RECOMMENDATION: NS - Routine Screening Mammogram.