<unk>  is a type of primary immune deficiency disease.<unk> " is largely synonymous with "agammaglobulinemia". When the latter term is used (as in "X-linked agammaglobulinemia") it implies that gamma globulins are not merely reduced, but completely absent. Modern assays have allowed most agammaglobulinemias to be more precisely defined as<unk> s,but the distinction is not usually clinically relevant.<unk> " is distinguished from dysgammaglobulinemia, which is a reduction in some types of gamma globulins, but not others.
Hypogammaglobulinemia
Lymphocytopenia
Splenomegaly
IgG deficiency
Natural killer cell deficiency
Accessory spleen
Cyclic neutropenia
Hepatosplenomegaly