Immunoproliferative_disorders
Immunoproliferative disorder
Overproduction of primary immune system cells or antibodies
In immunology, immunoproliferative disorders are disorders of the immune system that are characterized by the abnormal proliferation of the primary cells of the immune system, which includes B cells, T cells and natural killer (NK) cells, or by the excessive production of immunoglobulins (also known as antibodies).[citation needed]