The hyper-IgE syndrome is not caused by a microdeletion syndrome.

2007
https://researcherprofiles.org/profile/1458266
18000661
Pfeifer D, Woellner C, Petersen A, Pietrogrande MC, Franco JL, Yeganeh M, Ehl S, Matamoros N, Sprecher E, Puck JM, Veelken H, Grimbacher B