Table 1: Immunohistochemical markers
Antibody | Clone | Expression in tumor |
Gross cystic disease fluid protein -15(GCDFP -15) | 23A3 | Focally positive |
Mammaglobin | 304-1A5 | Negative |
Wilms' tumor protein (WT1) | 6F-H2 | Negative in tumor cells, positive in serous epithelium |
Estrogen receptor α | EP1 | 3+ in 85% of tumor cells |
Progesteron receptor | PgR636 | 3+ in 85% of tumor cells |
Human epidermal growth factor receptor (HER2) | Polyclonal C-erbB-2 Oncoprotein | Negative |
p53 Protein | DO-7 | Wild type expression |
Ki67 | MIB-1 | < 10% positive nuclei in invasive carcinoma |