A dermoscopic model of 'strawberry' pattern is presented, which may prove helpful in the in vivo diagnosis of nonpigmented, facial AK. A limitation of this study is the lack of testing of the specificity of the described dermoscopic criteria in differentiating nonpigmented AKs from other nonpigmented skin lesions at this site.

To investigate the dermoscopic features of acral melanocytic lesions in a white population in central Italy.Design: Retrospective review.Setting: University dermatology department.Patients: Six hundred fifty-one Italian subjects, ranging in age from 6 months to 78 years. Main Outcome Measures:We retrospectively investigated all digital dermoscopic images of acral melanocytic lesions included in our database from January 1996 to May 2005. Results:We retrieved digital images of 723 benign acral melanocytic lesions in 641 patients (235 males and 406 females; mean age, 26.5 years) and of 10 acral melanomas in 10 patients (7 males and 3 females; mean age, 65 years). Individual lesions were located on the soles (n=520),

Arborizing vessels are prototypic of nBCCs, whereas SFTs are characteristics of sBCCs. Differential diagnosis with squamous cell carcinoma or melanoma is mandatory when a polymorphous pattern is detected.