<prompt> This has increased risk ofSquamous cell carcinomaBasal cell carcinomaMelanomaLiposarcoma  <response>: This is a cutaneous horn. Actinic solar keratoses AK, i.e. cutaneous horns and keratoacanthomas, were considered to be premalignant lesions leading to SCC. Ref: Bailey and Love, 27e, page: 606 