" /> 22q11.2 duplication syndrome - CISMeF





Preferred Label : 22q11.2 duplication syndrome;

ICD-11 definition : 22q11.2 microduplication syndrome (dup22q11 syndrome) is the association of a broad clinical spectrum and a duplication of the region that is deleted in patients with DiGeorge or velocardiofacial syndrome (DG/VCFS), establishing a complementary duplication syndrome. The clinical presentation of patients is extremely variable and shares features with 22q11.2 deletion syndromes (DG/VCFS), including heart defects, urogenital abnormalities, velopharyngeal insufficiency with or without cleft palate, and ranging from multiple defects to mild learning difficulties with some individuals being essentially normal.;

ICD-11 synonym : 22q11.2 microduplication syndrome; Trisomy 22q11.2;

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22q11.2 microduplication syndrome (dup22q11 syndrome) is the association of a broad clinical spectrum and a duplication of the region that is deleted in patients with DiGeorge or velocardiofacial syndrome (DG/VCFS), establishing a complementary duplication syndrome. The clinical presentation of patients is extremely variable and shares features with 22q11.2 deletion syndromes (DG/VCFS), including heart defects, urogenital abnormalities, velopharyngeal insufficiency with or without cleft palate, and ranging from multiple defects to mild learning difficulties with some individuals being essentially normal.

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29/07/2025


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