Light Therapy for Skin Lesions May be More Effective than Freezing, Says Study
Patients with pre-cancerous skin spots may have more luck with light therapy than with standard freezing therapy, according to a new study.
Actinic keratoses are rough, scaly spots that often form on the faces and scalps of fair-complexioned people who have been exposed to a lot of sun. Since they can lead to cancer, removing them quickly and permanently is important.
Cryotherapy is the current standard for treatment. In this process, liquid nitrogen is used to freeze spots and remove them before they can become a problem. An alternative is light therapy, also known as photodynamic therapy, which uses a liquid medication that becomes activated and kills the lesion's cells when a doctor shines a special light on the spot.
In the new study published in JAMA Dermatology in August, research...