A novel mitochondrial DNA 8597T>C mutation of Leigh syndrome: report of one case

Pediatrics and Neonatology
Jeng-Dau TsaiJi-Nan Sheu

Abstract

Leigh syndrome is an early-onset progressive neurodegenerative disorder with a characteristic neuropathology consisting of focal, bilateral lesions in one or more areas of the central nervous system. The brain images of Leigh syndrome are characterized by markedly symmetrical involvement, most frequently of the putamen. We report a 2-year-old girl with Leigh syndrome manifested as acute onset of altered level of consciousness. Brain magnetic resonance images showed abnormal signal intensity over the bilateral basal ganglia and cerebellar dentate nuclei. Despite normal biochemical studies, in particular serum lactate levels, magnetic resonance spectroscopy demonstrated a downward doublet lactate peak. The diagnosis of Leigh syndrome was subsequently confirmed by genetic study which showed a novel mutation at 8597T>C of the mitochondrial ATPase6 gene.

References

Oct 12, 2005·Neuropediatrics·A-R MoslemiE Holme
Dec 25, 2007·Brain & Development·Jong-Hee ChaeMichio Hirano
Mar 11, 2008·Brain & Development·P E SijensR J Lunsing
Sep 23, 2008·Pediatric Neurology·Josef Finsterer
Jan 13, 2009·Pediatric Neurology·Hsiu-Fen LeeClayton Chi-Chang Chen

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