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Immunohistochemical panel results
| Antibody | Number of cases with positive reactions |
|---|---|
| Cytokeratin (AE1/AE3 and LP34) | 8/8 (100%) |
| Epithelial membrane antigen (EMA) | 8/8 (100%) |
| CK7 (luminal only) | 6/8 (75%) |
| CK5/6 (basal cells predominantly) | 4/8 (50%) |
| CK20 | 0/8 (0%) |
| S-100 protein (basal cell only) | 5/8 (63%) |
| CD117 | 3/8 (38%) |
| p53 | 4/7 (57%) |
| p63 | 3/8 (38%) |
| Ki67 | 3/8 (>5% reactivity) |
