Skin cancer with history of actinic keratosis: A large, urban, single-center, midwestern U.S. population observational study

Introduction: Actinic keratosis (AK) may be considered by some to be an incipient form of squamous cell carcinoma (SCC) as the rate of SCC in individuals with AK has been estimated at 0.025%-16%. There is much less reported evidence for AK association with basal cell carcinoma (BCC) and melanoma (MM). The aim of this study is to determine if an association exists between AK and nonmelanoma skin cancer (NMSC; SCC and BCC) and between AK and MM in a large midwestern U.S. patient population.

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