We report a case of a 19-year-old male with the cardinal features of t
he Kabuki syndrome (KS) and, in addition, with severe immunodeficiency
. Finding immune deficiency in a KS patient, prompted us to determine
whether this association was related to a deletion within the DiGeorge
chromosomal region. Fluorescence in situ hybridization (FISH) with th
e Oncor probe N25(D22S75) revealed no deletion of 22q11.2 in the patie
nt.