TBC1D24 mutation associated with focal epilepsy, cognitive impairment and a distinctive cerebro-cerebellar malformation.

Abstract:

:We describe the clinical and radiological features of a family with a homozygous mutation in TBC1D24. The phenotype comprised onset of focal seizures at 2 months with prominent eye-blinking, facial and limb jerking with an oral sensory aura. These were controllable with medication but persisted into adult life. Associated features were mild to moderate intellectual disability and cerebellar features. MRI showed subtle cortical thickening with cerebellar atrophy and high signal confined to the ansiform lobule. The disorder is allelic with familial infantile myoclonic epilepsy, where intellect and neurologic examination are normal, highlighting the phenotypic variation with mutations of TBC1D24.

journal_name

Epilepsy Res

journal_title

Epilepsy research

authors

Afawi Z,Mandelstam S,Korczyn AD,Kivity S,Walid S,Shalata A,Oliver KL,Corbett M,Gecz J,Berkovic SF,Jackson GD

doi

10.1016/j.eplepsyres.2013.02.005

subject

Has Abstract

pub_date

2013-07-01 00:00:00

pages

240-4

issue

1-2

eissn

0920-1211

issn

1872-6844

pii

S0920-1211(13)00043-0

journal_volume

105

pub_type

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