Preferred Label : Pontocerebellar hypoplasia, type 6;
Symbol : PCH6;
CISMeF acronym : PCH6;
Type : Phenotype, molecular basis known;
Alternative titles and symbols : Encephalopathy, fatal infantile, with mitochondrial respiratory chain defects;
Description : Pontocerebellar hypoplasia (PCH) is a heterogeneous group of disorders characterized
by an abnormally small cerebellum and brainstem and associated with severe developmental
delay (Edvardson et al., 2007). For a phenotypic description and a discussion of genetic
heterogeneity of PCH, see PCH1 (607596).;
Inheritance : Autosomal recessive;
Molecular basis : Caused by mutation in the mitochondrial arginyl-tRNA synthetase gene (RARS2, 611524.0001);