Dictionary of Cancer Terms
View in Spanish: Ftalocianina de silicio 4
Silicon phthalocyanine 4 (SIH-lih-KON THAH-loh-SY-uh-NEEN)
A substance being studied in the treatment of cancer. When absorbed by cancer cells and exposed to light, it becomes active and kills the cancer cells. It is a type of photodynamic therapy agent.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.