Dictionary of Cancer Terms
View in Spanish: Derivado de la hematoporfirina
Hematoporphyrin derivative (HEE-muh-toh-POR-fih-rin deh-RIH-vuh-tiv)
A drug used in photodynamic therapy that is absorbed by tumor cells. When exposed to light, it becomes active and kills the cancer cells.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.