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Published on: October 21, 2014
Adult-onset glutaric aciduria type I presenting with white matter abnormalities and subependymal nodules
T M Pierson1,2,3, Mani Nezhad4, Matthew A Tremblay5
1Department of Pediatrics, Cedars-Sinai Medical Center, Los Angeles, CA, USA. tyler.pierson@cshs.org.
Abstract:
A 55-year-old female presented with a 6-year history of paresthesias, incontinence, spasticity, and gait abnormalities. Neuroimaging revealed white matter abnormalities associated with subependymal nodules. Biochemical evaluation noted increased serum C5-DC glutarylcarnitines and urine glutaric and 3-hydroxyglutaric acids. Evaluation of the glutaryl-CoA dehydrogenase (GCDH) gene revealed compound heterozygosity consisting of a novel variant (c.1219C>G; p.Leu407Val) and pathogenic mutation (c.848delT; p.L283fs). Together, these results were consistent with a diagnosis of adult-onset type I glutaric aciduria.
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