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Dear Editor: Topical field-directed treatment is well-established for actinic keratosis (AK) lesions, which are considered premalignant sun-related skin lesions. The most commonly used local treatments for AK lesions are diclofenac, 5-fluroouracil, imiquimod, and ingenol mebutate.1 Ingenol mebutate, the latest introduction to the dermatologist’s therapeutic quiver for actinic keratosis, is an effective and well-tolerated option, with
