LEADER 00000cz 2200205n 4500 001 sh 85100698 003 DLC 005 20180713130405.1 008 860211i| anannbabn |a ana 010 sh 85100698 040 DLC|cDLC|dDLC 150 Phenylketonurias 450 Folling disease 450 |wnne|aPhenylketonuria 450 Oligophrenia, Phenylpyruvic 450 Phenylpyruvic oligophrenia 450 PKUs (Diseases) 550 |wg|aAmino acids|xMetabolism|xDisorders 550 |wg|aMetabolism, Inborn errors of 670 MeSH, June 12, 2018|b(Phenylketonurias; scope note: A group of autosomal recessive disorders marked by a deficiency of the hepatic enzyme PHENYLALANINE HYDROXYLASE or less frequently by reduced activity of DIHYDROPTERIDINE REDUCTASE (i.e., atypical phenylketonuria). Classical phenylketonuria is caused by a severe deficiency of phenylalanine hydroxylase and presents in infancy with developmental delay; SEIZURES; skin HYPOPIGMENTATION; ECZEMA; and demyelination in the central nervous system. Entry version: PKU. Entry terms include: Folling disease, Oligophrenia Phenylpyruvica. Mapped to: Brain diseases, Metabolic, Inborn; and Metabolism, Inborn errors)