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- W2233155154 abstract "<h3>BACKGROUND AND PURPOSE:</h3> Patients with epilepsy and malformations of cortical development have a high prevalence of language deficits. The purpose of this study was to investigate whether the status of the arcuate fasciculus at diffusion tractography could provide a clinically meaningful marker of language function in patients with cortical malformations. <h3>MATERIALS AND METHODS:</h3> Thirty-seven patients 3–18 years of age who had DTI performed at 3T and language evaluation by a pediatric neurologist were retrospectively identified. Twenty-two age-matched children without any neurologic, language, or MR imaging abnormalities who had identical DTI performed for an indication of headache were selected as a control cohort. The arcuate fasciculi were constructed and segmented by deterministic tractography for all subjects. <h3>RESULTS:</h3> Twenty-one patients had intact language; 11 had mild-to-moderate and 5, profound language impairment. All patients with normal language and all control subjects had an identifiable left arcuate. The left arcuate was absent in 11 patients; all 11 were language-impaired. Failure to identify the left arcuate was strongly associated with some degree of language impairment (<i>P</i> < .001). Sensitivity, specificity, and positive predictive value for language dysfunction were 65%, 100%, and 100%, respectively. The absence of the arcuate bilaterally was associated with complete failure to develop oral language (<i>P</i> < .015). <h3>CONCLUSIONS:</h3> Failure to identify the left arcuate fasciculus at diffusion tractography was a highly specific marker of language dysfunction in a cohort of pediatric patients with malformations of cortical development. Failure to identify the arcuate fasciculus on either side was associated with failure to develop oral language." @default.
- W2233155154 created "2016-06-24" @default.
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- W2233155154 date "2015-09-17" @default.
- W2233155154 modified "2023-10-18" @default.
- W2233155154 title "The Arcuate Fasciculus and Language Development in a Cohort of Pediatric Patients with Malformations of Cortical Development" @default.
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- W2233155154 doi "https://doi.org/10.3174/ajnr.a4461" @default.
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