Table 1.
Etiologic differential diagnosis in granulomatous lesions of the breast
| Infectious |
| Mycobacterium tuberculosis |
| Blastomycosis |
| Cryptococcosis |
| Histoplasmosis |
| Actinomycosis |
| Filarial infection |
| Corynebacterium |
| Autoimmune process |
| Wegener granulomatosis |
| Giant cell arteritis |
| Foreign body reaction |
| Duct ectasia |
| Plasma cell mastitis |
| Subareolar granuloma |
| Periductal mastitis |
| Diabetes mellitus |
| Sarcoidosis |
| Fat necrosis |
| Idiopathic |