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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Fotosensibilizador

Photosensitizer (FOH-toh-SEN-sih-ty-zer)
A drug used in photodynamic therapy. When absorbed by cancer cells and exposed to light, the drug becomes active and kills the cancer cells. Also called photosensitizing agent.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.