Epilepsy due to 20q13.33 subtelomere deletion masquerading as pyridoxine-dependent epilepsy.

Abstract excerpt

A cause of antiepileptic medication resistant seizures presenting in neonates and young infants is pyridoxine-dependent epilepsy (PDE), an organic aciduria, which is due to recessive mutations in the ALDH7A1 gene, resulting in deficiency of antiquitin. Since the discovery of molecular basis of this disorder, a few patients have been reported with a similar clinical phenotype but without evidence of antiqutin...

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