Introduction : Fever of unknown origin (FUO) is defined as; the presence of fever for 8 or more days in a child in which a careful history and physical examination and preliminary laboratory data fail to reveal the probable cause of the fever. The causes of FUO are different in various geographical regions.The aim of this study was to evaluate the common causes of childhood FUO in our region.
Materials and Methods: The medical records of all children ( 3 mo – 14 years) with final diagnosis of FUO who were admitted in hospitals affiliated to Ahvas Jondi-Shapoor University of Medical Sciences were evaluated during 6 years retrospectively.
Results: 35 patients enrolled in this study. The causes of FUO in these patients were: infectious diseases, 12 cases (34.28%), collagen-vascular diseases, 8 (22.85%), neoplasms, 3(8.57%), miscellaneous, 2(5.73%) & undiagnosed, 10(28.57%). The mortality rate was 5 cases (14.28%).
Conclusion: The most common cause of FUO in our region was infectious diseases and Kala-azar was the most common infectious disease which presented that FUO.
Kala-azar – Ahvaz
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