Epilepsy in children with leukodystrophies.

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Epilepsy might be one of the manifestations in children with leukodystrophies, but the incidence of epilepsy in different types of leukodystrophies is unclear yet.A retrospective observational cohort study was performed on children diagnosed with leukodystrophies in Peking University First Hospital from January 2004 to June 2019, and the patients were followed for 5.5 years (0.4-14.2 years) after the first visit.A total of 333 patients were included. The overall incidence of epilepsy was 30.6% (102/333). Alexander disease had the highest incidence (77.3%, 51/66), followed by vanishing white matter disease (41.2%, 21/51), Canavan disease (33.3%, 1/3), megalencephalic leukoencephalopathy with subcortical cysts (32.1%, 9/28), X-linked adrenoleukodystrophy (23.1%, 3/13), Krabbe disease (18.8%, 3/16), metachromatic leukodystrophy (14.3%, 6/42), and Pelizaeus-Merzbacher disease (7.0%, 8/114). The incidence of epilepsy in leukodystrophies classified as astrocytopathies was higher than that in myelin disorders (55.9% vs. 11.2%, P 

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