Riboflavin-responsive glutaric aciduria type II presenting as a leukodystrophy.

Abstract:

:The clinical phenotype of multiple acyl-CoA dehydrogenase deficiency in infancy is characterized by recurrent episodes of hypoketotic hypoglycemia and lipid storage myopathy. Brain damage has been described only as a consequence of severe and protracted hypoglycemia. We describe a child who experienced normal physical and psychomotor development until the age of 3 years, who then developed progressive intention tremors, dysarthria, ataxia, and spastic tetraparesis. Episodes of acute metabolic distress were never observed. Magnetic resonance imaging disclosed abnormal signals within the white matter of the brain and cerebellum, suggesting leukodystrophy. Gas chromatography/mass spectrometry analysis revealed abnormally high levels of glutaric acid, dicarboxylic acids, and glycine derivatives in urine. Riboflavin therapy was initiated at 4 years of age, when the patient had already lost control of trunk and head posture. Consistent improvement rapidly occurred after riboflavin supplementation. Glutaric aciduria type II may cause brain damage, in spite of the absence of acute metabolic distress, and should be considered in the differential diagnosis of leukodystrophies.

journal_name

Pediatr Neurol

journal_title

Pediatric neurology

authors

Uziel G,Garavaglia B,Ciceri E,Moroni I,Rimoldi M

doi

10.1016/0887-8994(95)00187-5

subject

Has Abstract

pub_date

1995-11-01 00:00:00

pages

333-5

issue

4

eissn

0887-8994

issn

1873-5150

pii

0887899495001875

journal_volume

13

pub_type

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