Biphasic lesions of the breast are characterized by integral epithelial and stromal components.
Types
lesions with predominantly specialized stroma
lesions with a mixture of nonspecialized and specialized stroma
References
Lerwill MF. Biphasic lesions of the breast. Semin Diagn Pathol. 2004 Feb;21(1):48-56. PMID: #15074559#