58 year old with biopsy proven DCIS in the left breast, at two sites in upper inner quadrant and lower outer quadrant, presents for MRI evaluation. There is scattered fibroglandular tissue in both breasts.Minimal parenchymal enhancement is noted bilaterally.Metallic artifacts are identified at anterior 11:00 position and posterior 5:00 position, both from the recent DCIS biopsy.A mild linear enhancement is present in transverse direction at each of the biopsy sites, likely a post biopsy change. No significant enhancing lesion suggesting residual disease is present in the left breast.No abnormal enhancement is seen in right breast. No abnormal lymph nodes are identified in either axillary region.
1. Biopsy proven DCIS in the left breast at two sites. No significant enhancement is present at the site of DCIS biopsy.2. No MRI evidence of malignancy in the right breast. BIRADS: 6 - Known cancer.RECOMMENDATION: X - No Letter.