Table 1.

Characteristics of dermal changes in superficial BCC, MIS and AK

Features	Group 1 BCC n (%)	Group 2 LM n (%)	Group 3 AK n (%)	p-value*
Dermal fibrosis	25 (25)	58 (58)	36 (35.6)	<0.0001
Mucinous stroma	82 (82)	0	0	<0.0001
Perivascular/interstitial infiltrate	60 (60)	5 (5)	9 (8.9)	<0.0001
Lichenoid infiltrate	8 (8)	4 (4)	33 (32.7)	<0.0001
Perifollicular infiltrate	1 (1)	17 (17)	3 (3)	<0.0001
Widened vessels	41 (41)	9 (9)	11 (10.9)	<0.0001

BCC, basal cell carcinoma; MIS, melanoma in situ; AK, actinic keratosis.

^*<0.05 is considered statistically significant.