Adenomyoepithelioma of the breast with late pulmonary metastases – case report and review of the literature

Table 1 Reagents used in immunohistochemical characterization for breast and pulmonary lesions

Antibody	Dilution	Source	Result: epithelial cells	Results: myoepithelial cells
Cytokeratin pool	1:100	DAKO	positive	negative
S-100 protein	1:3000	DAKO	negative	positive
Smooth muscle actin	1:50	DAKO	negative	positive
p63 protein	1:100	ZECA Corp	negative	negative
TTF-1	1:50	DAKO	negative	negative
Ki-67 antigen^a	1:50	DAKO	Positive	positive
EMA	1:50	DAKO	Positive	negative
Vimentin	1:50	DAKO	negative	positive
PR	1:50	DAKO	negative	negative
ER	1:50	DAKO	negative	negative

^aKi-67 positive in 4,5 % of tumour cells (epithelial and myoepithelial cells) in
pulmonary lesions. Not performed on breast tumour

ISSN: 1749-8090