Table 3 Indication for immunhistochemical (IHC) staining
Differential diagnosis | IHC |
|---|---|
Ductal hyperplasia (DH) vs. atypical epitelproliferation of ductal type (AEDT), ductal carcinoma in situ (DCIS) | Cytokeratin (CK) 14, CK 8/18 |
DCIS vs. invasive carcinoma | CK 14, smooth muscle actin (SMA), CK 8/18 |
Sclerosing lesions vs. invasive carcinoma | CK 14, SMA |
Myoepitheliale lesions | CK 14, SMA |