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Am J Med Genet. 1999 Mar 19;83(3):178-82.

Dyskeratosis congenita: an autosomal recessive variant.

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  • 1Division of Medical Genetics, Montreal Children's Hospital and McGill University, Quebec, Canada.


We describe a woman with dyskeratosis congenita (DKC), microcephaly, and a purple discoloration of the tongue. The latter findings are not commonly described in males with DKC, have been reported in another female patient with this condition, and may represent the phenotype of an autosomal recessive entity of DKC. Results of X chromosome inactivation studies did not support X-linked DKC in our family. The additional findings of an affected brother and parental consanguinity support the hypothesis of autosomal recessive inheritance.

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