Early-Onset Mild Type Leukoencephalopathy Caused by a Homozygous EARS2 Mutation.

Abstract:

:Childhood leukoencephalopathies are a broad class of diseases, which are extremely rare. The treatment and classification of these disorders are both challenging. Nearly half of children presenting with a leukoencephalopathy remain without a specific diagnosis. Leukoencephalopathy with thalamus and brain stem involvement and high lactate (LTBL) is a newly described childhood leukoencephalopathy caused by mutations in the gene encoding a mitochondrial aminoacyl-tRNA synthetase specific for glutamate, EARS2 Magnetic resonance images show a characteristic leukoencephalopathy with thalamic and brain stem involvement. Here, we report a different clinical course of LTBL supported by typical MRI features in a Turkish patient who presented with a history of failure to walk. The EARS2 gene mutation analysis identified a c.322C>T transition, predicting a p.R108W change. This is the first reported early-onset mild type LTBL caused by a homozygous EARS2 mutation case in the literature.

journal_name

J Child Neurol

authors

Taskin BD,Karalok ZS,Gurkas E,Aydin K,Aydogmus U,Ceylaner S,Karaer K,Yilmaz C,Pearl PL

doi

10.1177/0883073816630087

subject

Has Abstract

pub_date

2016-06-01 00:00:00

pages

938-41

issue

7

eissn

0883-0738

issn

1708-8283

pii

0883073816630087

journal_volume

31

pub_type

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