Abstract
A case of prenatal diagnosis of 22q11 microdeletion in a fetus with a conotruncal heart defect is described. This type of chromosomal aberration has been shown to be present in up to 30% of isolated conotruncal anomalies and in most cases of DiGeorge and velocardiofacial syndromes. The implications of such a diagnosis on prenatal counselling are discussed.
MeSH terms
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Amniocentesis
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Chromosome Deletion*
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Chromosomes, Human, Pair 22*
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Female
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Heart Defects, Congenital / complications
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Heart Defects, Congenital / diagnostic imaging*
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Heart Defects, Congenital / genetics*
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Humans
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In Situ Hybridization
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Pregnancy
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Pulmonary Atresia / complications
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Pulmonary Atresia / diagnostic imaging*
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Pulmonary Atresia / genetics
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Ultrasonography, Doppler, Color
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Ultrasonography, Doppler, Pulsed
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Ultrasonography, Prenatal