Post-contrast breast MRI image performed to assess extent of disease demonstrate the known biopsy proven malignancy (index lesion) in the left breast. There is a rim enhancing mass containing a biopsy clip in the inferior left breast at a posterior depth. The second post-contrast image demonstrates an irregular, enhancing mass in the central right breast at a middle depth. This is highly suspicious for contralateral disease.
WHY IT MATTERS:
MRI Evaluation of the Contralateral Breast in Women with Recently Diagnosed Breast Cancer (N Engl J Med, 2007)