Abstract:
:Mutations of the SCN2A gene have originally been described in association with benign familial neonatal-infantile seizures (BFNIS). Recently, single patients with more severe phenotypes and persisting epileptic encephalopathies have been recognized. We report the case of a girl with severe infantile onset epileptic encephalopathy and a de novo missense mutation in the SCN2A gene (c.4025T > C/ = ; p.L1342P/ = ), who presented with a transient choreatic movement disorder, hypersomnia, and progressive brain atrophy. Whole exome sequencing did not reveal any other disease causing mutation. Our patient contributes to the expanding phenotypic spectrum of SCN2A-related disorders and underlines the importance of genetic workup in epileptic encephalopathies.
journal_name
Neuropediatricsjournal_title
Neuropediatricsauthors
Hackenberg A,Baumer A,Sticht H,Schmitt B,Kroell-Seger J,Wille D,Joset P,Papuc S,Rauch A,Plecko Bdoi
10.1055/s-0034-1372302subject
Has Abstractpub_date
2014-08-01 00:00:00pages
261-4issue
4eissn
0174-304Xissn
1439-1899journal_volume
45pub_type
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