Table II.

Clinicopathological features of patients.

Patient	Age, years	Tumor size, cm	Growth pattern	Myoepithelial markers						CK8/18a
				p63	CALD1	CALP1	M-actin	CD10	CK5/6
1	38	0.9×1.2	Papillomatosis pattern	+	+/−	+	+	+	+	+
2	20	0.8×1.1	Papillomatosis pattern	+	+	+	+	+	+	+
3	40	1.6×1.3	Papillomatosis pattern	+	+/−	+	+	+	+	+
4	31	0.7×1.5	papillomatosis pattern	+	+/−	−	+	+	+	+
5	51	1.2×1.3	Mixed prolif. pattern	+	+/−	−	+	+	+	+
6	42	0.7×1.1	Papillomatosis pattern	+	−	+	+	+	+	+
7	37	1.3×0.9	Papillomatosis pattern	+	+/−	+	+	+	+	+
8	37	0.5×1.2	Papillomatosis pattern	+	+/−	+	+	+	+	+
9	31	1.3×1.5	Papillomatosis pattern	+	+	+/−	+	+	+	+
10	44	0.8×1.2	Papillomatosis pattern	+	+/−	+	+	+	+	+
11	44	1.1×1.3	Papillomatosis pattern	+	+	+/−	+	+	+	+
12	42	0.8×1.3	Mixed prolif. pattern	+	+	+/−	+	+	+	+
13	42	1.2×1.2	Adenosis pattern	+	+	−	+	+	+	+

^aEpithelial marker.

CALD1, caldesmon 1; CALP1, calponin 1; M-actin, α-smooth muscle actin; CK, cytokeratin; prolif., proliferation.