Dictionary of Cancer Terms
View in Spanish: FCU
PKU
An inherited disorder that causes a build-up of phenylalanine (an amino acid) in the blood. This can cause mental retardation, behavioral and movement problems, seizures, and delayed development. Using a blood test, PKU can easily be found in newborns, and treatment is a diet low in phenylalanine. Also called phenylketonuria.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.