Cancer that forms in the tissues of the retina (the light-sensitive layers of nerve tissue at the back of the eye). Retinoblastoma usually occurs in children younger than 5 years. It may be hereditary or nonhereditary (sporadic).
( REH-tih-noh-blas-TOH-muh )
Source: NCI Dictionary of Cancer Terms
Search the Glossary of Medical Terms
Newsletter
Sign up for the QuackTrack.org newsletter below!