Spectrum of Clustered Ring Enhancement (CRE) on Breast MRI: Malignancies and their Mimics

Clustered ring enhancement (CRE) was recently added to the 5th edition of the BI-RADS Atlas as one of four internal enhancement patterns (IEP). We are challenged to clarify this distinction in practice.  Dr. Chikarmane describes her systematic approach to these related phenomena.  She shares her insight and experience, tempered by the literature, by using select practical illustrations intended to show key distinctions among findings.