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SLC9A6 -related developmental and epileptic encephalopathy with spike-and-wave activation in sleep: A case report
Journal of Genetic Medicine ; : 100-104, 2022.
Artigo em Inglês | WPRIM | ID: wpr-967172
ABSTRACT
The gene encoding solute carrier family 9 member 6 (SLC9A6) on Xq26.3 is associated with Christianson syndrome (CS) mimicking Angelman syndrome. In CS, developmental and epileptic encephalopathy (DEE) appears in about 20%, and DEE with spike-and-wave activation in sleep (SWAS) is reported only in several cases. A 10-year-old boy with DEE showed multidrug resistant focal seizures from 6 months of age. He had progressive microcephaly, regression, global developmental delay without speech, hyperkinesia, and truncal ataxia; he had a long thin face, esotropia, and happy demeanor. Brain magnetic resonance imaging demonstrated cerebellar atrophy. Electroencephalogram at 7.5 years of age showed nearly continuous diffuse paroxysms in slow wave sleep. The seizures were responsive to corticosteroids for a while. Trio whole exome sequencing exhibited a likely pathogenic variant of SLC9A6 in the proband and his asymptomatic mother c.1194dup (p.Leu399AlafsTer12).This is a rare case report of CS with DEE-SWAS in a Korean patient.
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Inglês Revista: Journal of Genetic Medicine Ano de publicação: 2022 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Inglês Revista: Journal of Genetic Medicine Ano de publicação: 2022 Tipo de documento: Artigo