Aicardi syndrome

Definition

Aicardi syndrome is a rare neurodevelopmental disorder. The main diagnostic features are agenesis of corpus callosum, chorioretinal lacunae, and infantile spasms. Along with agenesis of corpus callosum, typical brain abnormalities include polymicrogyria, periventricular and subcortical heterotopia, intracranial cysts, cerebellar abnormalities, and enlarged cisterna magna. Neurological abnormalities include microcephaly, optic nerve coloboma, developmental delay, mental retardation, intractable epilepsy, hypotonia and limb hypertonia with spasticity. The etiology of Aicardi syndrome is still unknown. However, as the disorder is only observed in females and in males with chromosome 47, XXY, it is assumed to be caused by a de novo mutation on the X chromosome and inherited in a dominant manner with lethality in males.

References:

[1]. Caroline Lund, et al. Aicardi syndrome: an epidemiologic and clinical study in Norway. Pediatr Neurol. 2015 Feb;52(2):182-6.e3. [Content Brief]

生物医学辞典

生物医学辞典は、生物学の学術用語と専門データの包括的で専門的なデータベースです。すべての説明は、権威ある書籍や高いＩＦの文献に基づいており、知りたい生物医学用語の正確な説明を得ることができます。

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