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  • Title: L-2-hydroxyglutaric aciduria diagnosed in a young adult with progressive cerebellar ataxia and facial dyskinesia.
    Author: Marcel C, Mallaret M, Lagha-Boukbiza O, Kremer S, Echaniz-Laguna A, Tranchant C.
    Journal: Rev Neurol (Paris); 2012 Feb; 168(2):187-91. PubMed ID: 22030381.
    Abstract:
    INTRODUCTION: L-2-hydroxyglutaric aciduria is a rare metabolic disorder with quite typical radiological abnormalities and various clinical symptoms. OBSERVATION: A 19-year-old girl presented with ataxia, facial dyskinesia, and mild cognitive impairment. Cerebral magnetic resonance imaging demonstrated subcortical white matter T2 abnormalities and a suggestive rim hyperintensity around the caudate nuclei and the putamen. Diagnosis was confirmed by increased 2-hydroxyglutaric acid in urine and a genetic study (Gly260Ala mutation in the L-2-hydroxyglutarate dehydrogenase (L2HGDH) gene). DISCUSSION: This case highlights the movement disorder onset and radiological aspects that should indicate the L-2-hydroxyglutaric aciduria diagnosis.
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