摘要: Abstract A higher incidence of malignancy as well greater susceptibility to infection has been found be associated with primary immunodeficiencies. An increased leukemia X-linked infantile agammaglobulinemia-an isolated defect humoral immunities. frequency a wide variety malignancies have accompany several different forms immunodeficiency. Secondary immunodeficiencies produced by immunosuppressant therapy facilitate renal transplantation also far too much cancer explained chance assocaition. Many experimental associations between immunity and encountered, indicating that these two adaptive processes an essential relationship must elucidated.