The newly described 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; see this term), establishing a complementary duplication syndrome.

A fold of skin starting above the medial aspect of the upper eyelid and arching downward to cover, pass in front of and lateral to the medial canthus.