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Am J Med Genet. 1996 Mar 15;62(2):192-4.

CHILD syndrome in a boy.

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1
Department of Dermatology, University of Marburg, Germany.

Abstract

CHILD syndrome (congenital hemidysplasia with ichthyosiform nevus and limb defects) occurs, as a rule, exclusively in girls because the underlying X-linked gene exerts a lethal effect on male embryos. In this report the characteristic manifestations of CHILD syndrome are described in a 2-year-old boy with a normal chromosome constitution 46,XY. This exceptional case is best explained by the assumption of an early somatic mutation and thus compatible with the concept of X-linked dominant male-lethal inheritance of this trait.

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