Primary Acinic Cell Carcinoma of the Breast: A Clinicopathological and Immunohistochemical Study

Table 2

Immunohistochemical characteristics of acinic cell carcinoma of the breast.

Nr.	References	Amylase	Lysozyme	𝛼1-ACT	S-100	EMA	ER	PgR	HER2
1	Roncaroli et al. [1]	ND	+	+	+	+	−	−	ND
2	Shimao et al. [2]	+	ND	ND	+	+	+	ND	ND
3	Damiani et al. [3]	+	+	+	+	+	−	−	ND
4	[3]	+	+	+	+	+	−	−	ND
5	[3]	+	+	+	+	+	−	−	ND
6	[3]	+	+	+	+	+	−	−	ND
7	[3]	+	+	+	+	+	−	−	ND
8	Schmitt et al. [4]	ND	+	ND	−	+	−	−	−
9	Coyne and Dervan [5]	ND	+	+	+	ND	ND	ND	ND
10	Elster et al. [6]	ND	+	ND	+	+	−	−	−
11	Peintinger et al. [7]	ND	+	+	+	+	−	−	ND
12	Tanahashi et al. [8]	+	−	ND	−	ND	−	−	−
13	Chang et al. [9]	ND	+	+	+	+	−	−	ND
14	Choh et al. [10]	ND	ND	ND	ND	ND	ND	ND	ND
15	Present case	+	+	+	+	+	−	−	−

𝛼1-ACT: alpha-1-antichymotrypsin; EMA: epithelial membrane antigen; ER: estrogen receptor; PgR:  progesterone receptor; HER2: human epidermal growth factor receptor 2; ND: not done.