Contrast Enhanced Mammography in Diagnosing Patients With Suspicious Breast Findings

Inclusion Criteria: * Women with digital breast tomosynthesis and/or ultrasound assessments of Breast Imaging Reporting and Data System (BI-RADS) 4 and 5 lesions with recommendation of needle biopsy for tissue diagnosis. * Abnormal findings include masses, focal, global or developing asymmetries, architecture distortions, or \> 1 cm of suspicious calcifications with or without associated ultrasound abnormal findings. * Scheduled for imaging guided percutaneous needle biopsy. * Provide signed and dated informed consent form. * If patient is of childbearing potential, a negative pregnancy test, urine or blood, within 14 days prior to the scan. Exclusion Criteria: * \< 1 cm span of calcifications without an ultrasound correlate. * Pregnant patients. * Patients with known allergy to iodinated contrast material. * If patient answers YES to any of the below questions they need glomerular filtration rate (gFR) prior to contrast administration regardless of their age: * Have you ever been told you have renal problems? * Have you ever been told you have protein in your urine? * Do you have high blood pressure? * Do you have diabetes? * Do you have gout? * Have you ever had kidney surgery?