A new autosomal recessive disorder resembling Weaver syndrome.

Most reported cases of Weaver syndrome are sporadic, and the mode of inheritance is still unclear. We describe two (male and female) sibs born to consanguineous Bedouin parents with manifestations resembling Weaver syndrome. Both sibs had accelerated growth of prenatal onset, hypotonia, psychomotor retardation, excess loose skin, peculiar craniofacial and acral anomalies, dental dysplasia and/or serrated gums, joint laxity, and hoarse low-pitched cry. One of them had an accelerated harmonic skeletal maturation. Differentiating features from Weaver syndrome are discussed, and autosomal recessive inheritance is suggested.