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  • Title: Congenital bilateral perisylvian syndrome: familial occurrence, clinical and psycholinguistic aspects correlated with MRI.
    Author: Brandão-Almeida IL, Hage SR, Oliveira EP, Guimarães CA, Teixeira KC, Abramides DV, Montenegro MA, Santos NF, Cendes F, Lopes-Cendes I, Guerreiro MM.
    Journal: Neuropediatrics; 2008 Jun; 39(3):139-45. PubMed ID: 18991192.
    Abstract:
    OBJECTIVE: Congenital bilateral perisylvian syndrome (CBPS) is frequently caused by polymicrogyria (PMG). The aim of this study was to correlate the clinical and psycholinguistic aspects with neuroradiological data of patients with CBPS. METHODS: Thirty-one patients were studied. We performed a clinical investigation of the patients and their families, including MRI scanning, neuropsychological tests and language evaluation. RESULTS: The statistical analysis showed that: a) prenatal events are associated with the non-familial type of PMG; b) diffuse PMG is associated with pseudobulbar signs, as opposed to BPPP; c) motor deficit is associated with diffuse PMG; d) epilepsy is equally present in patients with both familial or non-familial PMG, but is more frequently seen in patients with diffuse PMG; e) dyslexia and SLI can be a feature of both the diffuse or BPPP, and either familial or sporadic cases of PMG. CONCLUSIONS: The severity of clinical manifestations in CBPS is correlated with the extent of cortical involvement. Most patients with CBPS have a history of speech delay or language difficulties and no epilepsy. Dyslexia can be found in patients with PMG.
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