MMW Fortschritte der Medizin
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With modern immunological and molecular biological laboratory techniques, some 100 primary immunodeficiencies can now be diagnosed and differentiated. The importance of diagnosing a primary immunodeficiency (PID) as early as possible cannot be overemphasized. ⋯ Relevant warning signals and a possible family history should also prompt at least such simple laboratory tests as a blood differential and the quantitative determination of immunoglobulins, followed where necessary by more specific evaluations. Early treatment, for example, with immunoglobulins may enable many patients to lead a virtually normal life, and in some cases bone marrow transplantation or gene therapy may even result in a cure.