Review Article
Idiopathic Granulomatous Mastitis
Table 1
Differential diagnosis of IGM.
| IGM | (i) Cystic neutrophilic granulomatous mastitis | Inflammatory breast cancer | Infectious mastitis | (i) Bacterial | Corynebacterium species, especially C. kroppenstedtii and C. tuberculostearium | Periductal mastitis | Actinomyces abscess | (ii) Tuberculous mastitis | (iii) Leprosy | (iv) Cat scratch disease | (v) Fungal | Histoplasmosis | Cryptococcosis | Coccidiomycosis | (vi) Protozoal | Schistosomiasis | Diabetic mastopathy | Autoimmune | (i) Vasculitis | (ii) Wegener’s granulomatosis | (iii) Giant cell arteritis | (iv) Takayasu’s arteritis | (v) Churg–Strauss syndrome | (vi) Breast sarcoidosis | (vii) Crohn’s disease | Foreign body granulomas | (i) Silicone, paraffin, PAAG injections, and beryllium | IgG4-RD mastitis |
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