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Aug 14, 2023 · The causes of fever of unknown origin (FUO) are often common conditions presenting atypically. The list of causes is extensive, and it is broken down into broader categories, such as infection, noninfectious inflammatory conditions, malignancies, and miscellaneous. Noninfectious Inflammatory Causes of FUO.
- Ilona Brown, Nancy A. Finnigan
- 2023/08/14
- 2021
Fever of unknown origin is defined as a clinically documented temperature of 101°F or higher on several occasions, coupled with an unrevealing diagnostic workup. The differential diagnosis is...
Feb 2, 2022 · Approximately one half of human pathogens are vectorborne or zoonotic, 34 and these infections are often manifested as FUO (Table 2, Figure 2C and 2D, Table S1). 35 A clear history of...
Fever of unknown origin (FUO) was originally defined by Petersdorf and Beeson as an illness of more than 3 weeks’ duration, with fever greater than 38.3 °C (101 °F) on several occasions, the cause of which is uncertain after 1 week of in-hospital investigations.
Petersdorf and Beeson 1 first coined the term fever of unknown origin in 1961 and explicitly defined it as a temperature higher than 38.3°C on several occasions and lasting longer than 3 weeks, with a diagnosis that remains uncertain after 1 week of investigations in hospital.
- Ophyr Mourad, Valerie Palda, Allan S. Detsky
- 2003
Nov 28, 2023 · Clinicians commonly refer to a febrile illness without an initially obvious etiology as fever of unknown origin (FUO). However, most febrile illnesses either resolve before a diagnosis can be made or develop distinguishing characteristics that lead to a diagnosis.
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Jul 9, 2024 · Fever of unknown origin (FUO) is body temperature ≥ 38.3 ° C (≥ 101° F) rectally that does not result from transient and self-limited illness, rapidly fatal illness, or disorders with clear-cut localizing symptoms or signs or with abnormalities on common tests such as chest radiograph, urinalysis, or blood cultures.
