Radial Scar of the Breast
Definition
- A benign breast lesion with a stellate architecture that may simulate invasive carcinoma mammographically, clinically, grossly and microscopically
Alternate / historical names
- Sclerosing papilloma
- Sclerosing duct lesion
Diagnostic Criteria
- Stellate architecture
- Extensive elastosis common
- No invasion of fat by naked tubules
- Ducts irregular, lined by two or more cells
- Ducts frequently demonstrate fibrocystic change
- Epithelial cells may show usual hyperplasia
- Myoepithelial layer is present
- May infrequently be associated with or contain atypical hyperplasia or ductal carcinoma in situ
- Columnar cell change and flat epithelial atypia may also be present
Richard L Kempson MD
Department of Pathology
Stanford University School of Medicine
Stanford CA 94305-5342
Original posting: May 1, 2006
