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Table 5 Diagnoses in 84 children with progressive encephalopathy

From: Incidence rates of progressive childhood encephalopathy in Oslo, Norway: a population based study

 

Diagnoses (n)

Lysosomal

I cell disease (1), alpha-Mannosidosis (1), MLD (3), MPS1 (4), MPS2 (1), MPS3 (1), NCL congenital [19] (3), NCL3 (4), NPC (3), Salla disease (1), Sandhoff disease (1)

Mitochondrial

Leigh disease (3)

Peroxisomal

Adrenoleukodystrophy X-linked (2)

Organic aciduria

2-methylbutyryl CoA dehydrogenase deficiency [20]a (1), glutaric aciduria (1), L2 hydroxy glutaric aciduria (2), methyl malonic aciduriab (2), multiple carboxylase deficiency (2), propionic aciduria (3)

Fatty acid beta oxidation

MTP (2), MCAD (2), VLCAD (1), unspecified (1)

Urea cycle

CPS1 (3), OCT (1)

Other

Galactosemia (4), Unspecified intermediate metabolism (2)

Neurodegenerative, specified

Ataxia teleangiectasia (1), Cockayne syndrome (2), megaloencephalic leukoencephalopathy with subcortical cysts (1), microphthalmia brain atrophy disease [22] (3), pontocerebellar hypoplasia-infantile spinal muscular atrophy [23] (1), Schinzel Gideon syndrome (2)

Neurodegenerative, unspecified

Mainly affecting: basal ganglia (1), cerebellum (8), cerebellum and basal ganglia (1), cerebellum and brain stem (1), cerebral cortex (3), cerebral white matter (3)

Infectious

HIV encephalopathy (2)

  1. CPS: carbamyl phosphate synthetase; HIV: human immune deficiency virus; MCAD: medium-chain acyl CoA dehydrogenase; MLD: metachromatic leukodystrophy; MPS: mucoplysaccharidosis; MTP: mitochondrial trifunctional protein; NCL: neuronal ceroid lipofuscinosis; NPC: Niemann Pick disease type C; OCT: ornithine transcarbamylase; VLCAD: very-long-chain acyl CoA dehydrogenase
  2. aThe clinical course in this disease is uncertain
  3. bEnzymatic diagnosis unknown