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Seizure. 2012 Jan;21(1):55-60. doi: 10.1016/j.seizure.2011.07.013. Epub 2011 Aug 25.

Epilepsy in RAS/MAPK syndrome: two cases of cardio-facio-cutaneous syndrome with epileptic encephalopathy and a literature review.

Author information

1
Department of Pediatrics, Kakogawa Hospital Organization, Kakogawa West-City Hospital, 384-1 Hiratsu, Yoneda-cho, Kakogawa, Hyogo 675-8611, Japan. ama-p@rc4.so-net.ne.jp

Abstract

We report two individual cases of cardio-facio-cutaneous (CFC) syndrome with severe neurological impairment consisting of infantile spasms with hypsarrhythmia and refractory epilepsy with multifocal epileptic paroxysms such as modified hypsarrhythmia. Both cases shared diffuse brain atrophy and severely delayed myelination on neuroimaging. Genetic analysis revealed individual heterozygous mutations in the KRAS (phenotype of CFC/Noonan syndrome) and BRAF genes (phenotype of CFC syndrome). Neurological impairment in cases with mutations in the RAS/MAPK (mitogen activated protein kinase) signal pathway may be more severe, and could be linked to some forms of refractory epilepsy, especially epileptic encephalopathy that includes infantile spasms.

PMID:
21871821
DOI:
10.1016/j.seizure.2011.07.013
[Indexed for MEDLINE]
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