Symptoms present by eight months of age and are marked by developmental delay followed by neurological complications such as seizures, involuntary eye movements, and ataxia, involuntary muscle movements and failure to gain weight and grow at the expected rate (failure to thrive). Babies with this condition also have and enlarged liver and spleen (hepatosplenomegaly) and enlarged heart (cardiomegaly).
Infantile free sialic acid storage disease
GM1 gangliosidoses
GM2 gangliosidoses
Neonatal adrenoleukodystrophy
Infantile neuronal ceroid lipofuscinosis
Congenital disorder of glycosylation type IIc
Foster Kennedy syndrome
Congenital disorder of glycosylation