Clinical Pearls
Clinical Classifications and Treatment Approaches for Actinic Keratosis
06/26/2025
In this video, Dr Lain explains the Olsen scale for grading actinic keratosis (AK), distinguishing between mild, moderate, and hyperkeratotic lesions, with a focus on their treatment and differentiation from squamous cell carcinoma in situ. He emphasizes the importance of adequate cryotherapy duration, highlighting that achieving a white cone for over 20 seconds significantly improves clearance rates, despite concerns about discomfort, depigmentation, and scarring.
Ted Lain, MD is a board-certified dermatologist and Chief Medical Officer of Sanova Dermatology specializing in diagnosis and treatment of disorders of the hair, skin and nails.