Learn more about actinic keratoses:
actinic keratosis diagnosis
The dermatologists at diagnose an actinic keratosis (AK) by visually examining the skin during a skin check. If your dermatologist finds a growth that is thick or looks like skin cancer during the exam, your dermatologist will likely perform a skin biopsy. Your dermatologist can perform a skin biopsy during an office visit to confirm the diagnosis.