Radial Scar of the Breast
Differential Diagnosis
| Tubular Carcinoma | Radial Scar |
|---|---|
| Single layer of cells | Often multiple cell layers |
| No myoepithelial cells | Myoepithelial cells present |
| Frequent infiltration of fat by naked tubules | No bare infiltration of fat |
| No epithelial hyperplasia | May show epithelial hyperplasia |
| Infiltrating Ductal Carcinoma | Radial Scar |
|---|---|
| Cells may show various levels of atypia | Cytologically bland cells |
| No myoepithelial cells | Myoepithelial cells present |
| Frequent infiltration of fat by naked tubules | No bare infiltration of fat |
| May show various infiltrative patterns | Stellate configuration |
Radial Scar, Sclerosing Adenosis, Ductal Adenoma and Nipple Adenoma
- May be considered a spectrum of lesions differing in location and predominant pattern
- All are benign
