Autoimmune hemolytic anemia, Autoimmune thrombocytopenia, Autoimmunity, B-cell lymphoma, Basal cell carcinoma, Bone marrow hypercellularity, Bone marrow hypocellularity, Bruising susceptibility, Burkitt lymphoma, Chronic noninfectious lymphadenopathy, Colitis, Coombs-positive hemolytic anemia, Decreased circulating IgG level, Decreased circulating total IgM, Decreased lymphocyte apoptosis, Decreased proportion of CD4-positive helper T cells, Decreased specific anti-polysaccharide antibody level, Elevated proportion of CD4-negative, CD8-negative, alpha-beta regulatory T cells, Eosinophilia, Fibroadenoma of the breast, Follicular hyperplasia, Gastritis, Glomerulonephritis, Headache, Hepatitis, Hepatocellular carcinoma, Hepatomegaly, Hodgkin lymphoma, Hydrops fetalis, Hypersplenism, Increased B cell count, Increased circulating IgA level, Increased circulating IgE level, Increased circulating IgG level, Increased circulating IgM level, Increased circulating antibody level, Increased proportion of HLA DR+ T cells, Iron deficiency anemia, Lymphadenopathy, Lymphocytosis, Lymphopenia, Neoplasm of the skin, Neoplasm of the tongue, Neutropenia in presence of anti-neutropil antibodies, Non-Hodgkin lymphoma, Panniculitis, Platelet antibody positive, Premature ovarian insufficiency, Pulmonary fibrosis, Pulmonary infiltrates, Recurrent aphthous stomatitis, Reduced delayed hypersensitivity, Renal insufficiency, Reticulocytosis, Rheumatoid factor positive, Seizure, Splenomegaly, Systemic lupus erythematosus, T-cell lymphoma, Thyroid adenoma, Thyroid carcinoma, Thyroiditis, Urticaria, Uveitis, Vasculitis