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©2013 UpToDate ® Print Email Actinic keratosis Actinic keratoses present as rough, erythematous, scaly macules on chronically sun exposed skin. They are usually easier felt than seen. Reproduced from: Fitzpatrick TB, Johnson RA, Wolff K, Suurmond D. Color Atlas and Synopsis of Clinical Dermatology. Common and Serious Diseases. (4th Ed), McGraw-Hill, New York 2001. p.220.