Dictionary of Cancer Terms
View in Spanish: Tecnecio Tc-99 coloide de azufre
Technetium Tc 99m sulfur colloid (tek-NEE-shee-um SUL-fur KAH-loyd)
A radiolabeled substance that is used to help identify sites of tumor development.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.