Table 2 Immunohistochemical characteristics of 6 cases of microcystic adnexal carcinomas (MACs)
Case | Protein | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
CK5/6 | CK20 | EMA | p63 | p53 | p16 | AR | PR | CD34 | Ki-67 | |
M1 | + | − | + | + | −a | + | − | − | − | 3% |
M2 | + | − | + | + | −a | + | − | − | − | 3% |
M3 | + | − | + | + | −a | + | − | − | − | 2% |
M4 | + | − | + | + | −a | + | − | − | − | 5% |
M5 | + | − | + | + | −a | − | − | − | − | 5% |
M6 | + | − | + | + | −a | + | − | − | − | 1% |
Positive cases/total | 6/6 | 0/6 | 6/6 | 6/6 | 0/6 | 5/6 | 0/6 | 0/6 | 0/6 | 6/6 |