Idiopathic CD4 lymphocytopenia (ICL) is a rare condition where CD4 T cell counts are low, similar to advanced human immunodeficiency virus (HIV) infection but without acquired immunodeficiency syndrome (AIDS)-related symptoms. The cause is unknown, and theories suggest issues with T cell production, survival, migration, or immune system dysregulation. Diagnosis involves ruling out other causes of low CD4 T cells. Treatment is based on managing infections and may include immunomodulatory therapies, but evidence is limited. Clinical presentations vary widely, including infections, autoimmune disorders, and malignancies. This study explores challenges in diagnosing persistent fevers and lymphopenia, the role of medical history in treatment, HIV screening issues, UTI management in recurrent cases, and the importance of follow-up care for unresolved symptoms or abnormal lab results. This study utilized a case study approach, focusing on the detailed presentation, evaluation, and management of the patient. Data were collected from the patient's medical records, including laboratory tests. Relevant literature was reviewed to provide context and support for the discussion of diagnostic challenges and management strategies. This case highlights the importance of considering uncommon presentations of common infections in patients with complex medical histories. It underscores the need for thorough evaluation, including comprehensive medical history, diagnostic testing, and follow-up care, to ensure accurate diagnosis and appropriate management. By sharing this case, we aim to enhance the awareness and understanding of such presentations among healthcare providers, leading to improved patient care and outcomes.
Keywords: cd4+ lymphopenia; hiv seronegative; idiopathic cd4 lymphocytopenia; idiopathic cd4+ lymphocytopenia; t-cell immunity.
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