Editor-In-Chief: C. Michael Gibson, M.S., M.D. 
Dysgammaglobulinemia is a type of immune disorder characterized by a reduction in some types of gamma globulins.
It is distinguished from hypogammaglobulinemia, which is a reduction in all types of gamma globulins.
Dys-: IgA deficiency · IgG deficiency · IgM deficiency · Hyper IgM syndrome (2, 3, 4, 5)
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