For severe field disease in patients who have had multiple squamous cells, we typically use calcipitrione combined with 5 FU mixed one to one twice daily for 7 days on the face and 10 days on the scalp, hands, and arms. We give patients a portal to phone in photos on day 3 day 5 and day 7. When we u...

In my experience, topical 5-Fluorouracil 5% cream has been the most effective form of field therapy for my patients with higher burdens of actinic keratoses. I typically have my patients apply to the face and neck twice daily up to 2-3 weeks, and to the scalp, dorsal hands, extensor arms, and lower ...