Nonmelanoma Skin Cancer: Photodynamic Therapy
Photodynamic therapy (PDT) is a treatment used for nonmelanoma skin cancer. PDT is a process of applying a medicine and then shining a special laser light on it. It may be used to treat skin cancers when surgery or radiation can't be used.
PDT is used to treat actinic keratoses on the face and scalp, squamous cell carcinoma in situ (Bowen's disease), and superficial basal cell carcinomas. Studies show that cure rates for skin cancers treated with PDT may be slightly lower than surgery or radiation. But PDT does not leave a scar like surgery does.1
Studies of PDT with methyl aminolevulinate (MAL) found that this treatment was as effective as cryosurgery for actinic keratoses and squamous cell carcinoma in situ (Bowen's disease).2
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