en قلب Heart پژوهشي Research Abstract Background Immune deficiency in human might be primary or secondary and could be seen with a wide variety of manifestations. In the following, we presented a Child with various complains that diagnosed to have HIV infection. Case Report A 2/5 y/o child was admitted to the hospital for FUO with prolonged cough, FTT, cervical lymphadenopathy, hepatosplenomegaly and bilateral optic neuritis. . He was hospitalized for fever, cytopenia and hepatosplenomegaly one year ago, and three months later in an outpatient visit, these signs improved, except thrombocytopenia. In evaluation, bicytopenia, elevated ESR, hyperlipidemia, hyperproteinemia, thrombosis of the transverse sinus of brain, antiphospholipid antibodies , decreased levels of protein S and factor V Leiden and increased level of anti thrombin III were detected. Consequently, the result of HIV antibody showed positive. In addition to warfarin and cotrimoxazole therapy, he was referred to special center for possible HARRT therapy. Conclusion In approach to patients with various clinical presentations such as cytopenia, recurrent or persistent lymphadenopathy, unexplained hyperproteinemia or hyperlipidemia, evaluation of HIV infection is highly recommended for consideration and further therapy. HIV, Child, Signs and Symptoms 178 181 http://ijpho.ssu.ac.ir/browse.php?a_code=A-10-1-64&slc_lang=en&sid=1 Sh Osiya Yes F Binesh No F Ferdosian No M Shakiba No