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Am J Med Genet. 1999 Oct 8;86(4):331-7.

X-linked lissencephaly with absent corpus callosum and ambiguous genitalia.

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1
Departments of Human Genetics, Neurology, and Pediatrics, The University of Chicago, Chicago, Illinois 60637, USA. wbd@genetics.uchicago.edu

Abstract

Lissencephaly has been described in over 10 distinct malformation syndromes. Recently, we have recognized 5 children from four unrelated families with an almost identical disorder comprising lissencephaly with a posterior-to-anterior gradient and only moderate increase in thickness of the cortex, absent corpus callosum, neonatal-onset epilepsy, hypothalamic dysfunction including deficient temperature regulation, and ambiguous genitalia in genotypic males. Our observation of 5 affected males in one of these families is consistent with an X-linked pattern of inheritance. However, it differs in many regards from the X-linked form of isolated lissencephaly sequence that is associated with mutations of the XLIS (DCX) gene. Therefore, we propose that this disorder comprises a new X-linked malformation syndrome, which we refer to as X-linked lissencephaly with ambiguous genitalia (XLA-G).

PMID:
10494089
[Indexed for MEDLINE]
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