Morquio Disease Presenting as Hydrops Fetalis and Enzyme Analysis of Chorionic Villus Tissue in a Subsequent Pregnancy

D. A. Applegarth Biochemical Diseases Laboratory, Children's Hospital, Vancouver, British Columbia, Canada, V6H 3V4

J. R. Toone Biochemical Diseases Laboratory, Children's Hospital, Vancouver, British Columbia, Canada, V6H 3V4

R. D. Wilson Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada, V6H 3V4

S. L. Yong Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada, V6H 3V4

V. J. Baldwin Department of Pathology, Children's Hospital, Vancouver, British Columbia, Canada, V6H 3V4

Abstract

We describe the prenatal diagnosis of a fetus at risk for mucopolysaccharidosis (MPS) Type IVA (Morquio syndrome) using enzyme analysis of chorionic villus tissue. The family had two previous affected children, one with progressive nonimmune hydrops fetalis presenting at 16 weeks gestation and one mildly affected 5 year old. The parents had decreased levels of N-acetyl galactosamine-6-sulphate sulphatase in cultured skin fibroblasts indicating that carrier detection is possible for Morquio A syndrome.

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Morquio Disease Presenting as Hydrops Fetalis and Enzyme Analysis of Chorionic Villus Tissue in a Subsequent Pregnancy

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Morquio Disease Presenting as Hydrops Fetalis and Enzyme Analysis of Chorionic Villus Tissue in a Subsequent Pregnancy

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