Arslan, SevketUcar, RamazanCaliskaner, A. Zafer2024-02-232024-02-2320151308-9234https://doi.org/10.5578/aai.9042https://hdl.handle.net/20.500.12452/16987The awareness of the probability of primary immunodeficiency in adults has been increased. However, careful differential diagnosis is necessary before a final diagnosis of primary immunodeficiency is made. In this report, a patient with a preliminary diagnosis of primary immunodeficiency due to recurrent pulmonary infections and selective IgA deficiency who was finally diagnosed as chronic lymphocytic leukemia was presented.trinfo:eu-repo/semantics/closedAccessPrimary ImmunodeficiencyIga DeficiencyHypogammaglobulinemiaChronic Lymphocytic LeukemiaArticle1315557WOS:00042089460000810.5578/aai.9042