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Hemimegalencephaly: cranial sonographic findings in neonates

✍ Scribed by Po-Cheng Hung; Huei-Shyong Wang

Publisher: John Wiley and Sons
Year: 2005
Tongue: English
Weight: 210 KB
Volume: 33
Category: Article
ISSN: 0091-2751
DOI: 10.1002/jcu.20121

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✦ Synopsis

Abstract

Hemimegalencephaly is a rare neuronal migration disorder characterized by overgrowth of part or all of 1 cerebral hemisphere. Lissencephaly, pachygyria, polymicrogyria, heterotopia, and glial abnormalities are usually noted pathologically in the enlarged hemisphere. We report the sonographic changes associated with hemimegalencephaly in 2 neonates presenting with seizures and correlate these changes with the magnetic resonance imaging findings. © 2005 Wiley Periodicals, Inc. J Clin Ultrasound 33:243–247, 2005

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