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Canavan disease: a novel mutation.

[canavan disease]

Canavan disease, an autosomal recessive inherited leukodystrophy caused by an aspartoacylase deficiency, is common among children of Ashkenazi Jewish descent. We report on a non-Jewish female infant who presented at age 6 months with progressive macrocephaly and developmental delay. A sequence analysis of the aspartoacylase gene revealed compound heterozygosity for a known mutation and for the mutation c.432G>A in exon 2, which has not yet been described in Canavan disease.