Table 2.

Distribution of α-SMA and Shh immunoexpression levels in primary and recurrent BCCs

Description of sample/diagnosis	Antigens
	Location	α-SMA			Shh
		Weak	Moderate	Strong	Weak	Moderate	Strong
Primary BCC	Tumor	627 (58.0%)	274 (25.3%)	181 (16.7%)	347 (33.2%)	344 (32.9%)	355 (33.9%)
Recurrent BCC		195 (60.2%)	52 (16.0%)	77 (23.8%)	96 (30.8%)	101 (32.5%)	114 (36.7%)
Primary BCC	Stroma	914 (75.2%)	216 (17.8%)	85 (7.0%)	929 (76.1%)	223 (18.3%)	68 (5.6%)
Recurrent BCC		243 (67.5%)	60 (16.7%)	57 (15.8%)	259 (72.0%)	67 (18.6%)	34 (9.4%)

α-SMA: Alpha-smooth muscle actin; BCC: Basal cell carcinoma; Shh: Sonic hedgehog. *The shown numerical data represent the number of visual fields estimated and demonstrated either weak or moderate and strong expression of antigen