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Background
22q11 Deletion syndrome: 2q11.2 deletion syndrome; Di George syndrome; DGS; Conotruncal Anomaly Face syndrome; Velo-cardio-facial syndrome; VCFS; Shprintzen syndrome; CATCH 22
22q11 deletion syndrome is caused by a small deletion in position 11 on the long (q) arm of chromosome 22. Other names may be used, listed above, reflecting the preference of the specialists advising.