Yes: Pdt for actinic keratoses (skin) is a proven treatment and results in significant reduction of both clinically apparent and as yet undetected precancerous lesions. However, one treatment does not eliminate 100% of lesions. New lesions may also develop. Long-term surveillance and periodic re-treatment is advised. Pdt has great potential for the treatment of a variety of other malignancies as well.
Answered 10/4/2016
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