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KMID : 1130320170600010001
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Korean Journal of Pediatrics
2017 Volume.60 No. 1 p.1 ~ p.9
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Malformations of cortical development: genetic mechanisms and diagnostic approach
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Lee Jee-Hun
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Abstract
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Malformations of cortical development are rare congenital anomalies of the cerebral cortex, wherein patients present with intractable epilepsy and various degrees of developmental delay. Cases show a spectrum of anomalous cortical formations with diverse anatomic and morphological abnormalities, a variety of genetic causes, and different clinical presentations. Brain magnetic resonance imaging has been of great help in determining the exact morphologies of cortical malformations. The hypothetical mechanisms of malformation include interruptions during the formation of cerebral cortex in the form of viral infection, genetic causes, and vascular events. Recent remarkable developments in genetic analysis methods have improved our understanding of these pathological mechanisms. The present review will discuss normal cortical development, the current proposed malformation classifications, and the diagnostic approach for malformations of cortical development.
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KEYWORD
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Malformation, Cerebral cortex, Epilepsy, Developmental delay, Neurogenesis
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