22q11.2 duplication and congenital heart defects.

The 22q11.2 deletion syndrome (del22q11 syndrome) (OMIM #188400/ #192430), also known as Velocardiofacial syndrome and DiGeorge syndrome, is considered a very common genetic disease. With an estimated prevalence of 1:2,000-6,000 live births, this syndrome currently represents one of the main known causes of congenital cardiopathy

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