Photodynamic Therapy: Its Role In Cancer Therapy

By now, the fundamentals of photodynamic therapy (PDT) are well known. A photosensitizer is injected intravenously into a patient who has a solid tumor of known location and, following localization of the sensitizer into the lesion, local photoactivation by an appropriate light source is carried out. Assuming that an effective combination of drug and light are used, the tumor can be reduced or, in many cases, completely eradicated, depending on size and location.

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