Objective: The purpose of this article is to review the varied appearances and associated diagnoses of nonmass enhancement on breast MRI with radiologic-pathologic correlation.
Conclusion: Knowledge of the distribution and internal characteristics of these findings is helpful to determine when core needle biopsy is indicated. Correlating imaging with pathologic findings is critical in making appropriate recommendations regarding clinical management.
Keywords: ductal carcinoma in situ (DCIS); invasive ductal carcinoma (IDC); nonmass enhancement; pseudoangiomatous stromal hyperplasia (PASH); radial scar.