Pleomorphic Adenoma of the Breast
Differential Diagnosis
| Pleomorphic Adenoma | Infiltrating Ductal Carcinoma |
|---|---|
| Circumscribed | Infiltrating |
| Cytologically bland | Usually cytologically atypical in cases resembling pleomorphic adenoma |
| Myoepithelial cells present | Lacks myoepithelial cells |
| Chondromyxoid stroma | No chondromyxoid stroma |
| Pleomorphic Adenoma | Metaplastic Carcinoma |
|---|---|
| Circumscribed | Not circumscribed |
| Cytologically bland | Usually cytologically atypical in cases resembling pleomorphic adenoma |
| No necrosis | May be necrotic |
| Pleomorphic Adenoma | Adenomyoepithelioma |
|---|---|
| Chondromyxoid stroma | Lacks chondromyxoid stroma |
