Immunodeficiency in adults a practical guide for the allergist
نویسندگان
چکیده
Knowing the clinical warning signs of immunodeficiency (ID) in adulthood is crucial for early detection of the over 200 forms of primary ID known to date. Many of these congenital diseases with a genetic background already manifest in childhood. Antibody deficiency diseases represent an important exception, with common variable immunodeficiency (CVID) being the most common form of ID. The median age of onset of CVID is 24 years. Unfortunately, the delay in diagnosis is still in excess of 4 years. General practitioners as well as allergists play a particularly important role in early detection. ID patients who present primarily with signs of immune dysregulation pose an even greater diagnostic challenge. Thus, autoimmune cytopenia, inflammatory bowel diseases, or sarcoid-like granulomatous inflammation can be the first manifestation in up to 20 % of ID patients. Secondary forms of ID [e. g., due to long-term corticosteroid treatment, HIV-infection, leukemia, lymphoma, nephrotic syndrome, malabsorption syndrome] need to be differentiated from primary antibody deficiency. Considering the overlap with allergic symptoms [ID accompanied by a susceptibility to eczema, elevated total IgE, blood eosinophilia], the present article discusses, the clinical warning signs of ID, the first diagnostic steps required and the option of further diagnostic work up at specialist centers for complex cases, as well as the treatment options for such cases.
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عنوان ژورنال:
دوره 23 شماره
صفحات -
تاریخ انتشار 2014