Nonmelanoma Skin Cancer: Photodynamic Therapy
Results of early studies with the medicine 5-aminolevulinic acid (ALA) show that topical PDT may be effective in treating actinic keratoses on the face and scalp, squamous cell carcinoma in situ (Bowen's disease), and superficial basal cell carcinomas. Studies report good results with skin appearance after treatment and a low rate of side effects.1
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