Fever of unknown origin (FUO) in adults is defined as a temperature higher than 38.3 degrees C (100.9 degrees F) that lasts for more than three weeks with no obvious source despite appropriate investigation. The four categories of potential etiology of FUO are classic, nosocomial, immune deficient, and human immunodeficiency virus-related. The four subgroups of the differential diagnosis of FUO...

A prospective evaluation of 146 children with fever of unknown origin (FUO) and prolonged fever was performed from 1990 to 1996. FUO was defined as a documented daily temperature of > or = 38 degrees C for at least 14 days without diagnostic signs or symptoms. Prolonged fever was defined as fever for at least 14 days and no diagnosis at the time of referral for evaluation. An established diagno...

Purpose 18F-FDG PET-CT plays an important role in the management of fever of unknown origin. FUO is defined as “body core temperature <38.3°C on several occasions lasting for <3 weeks but no cause found despite routine clinical investigations for <1 week in hospital”. Malignancy is an important cause of FUO, and the aim of this study is to demonstrate prevalence of malignancy as a cause of FUO ...

Identifying the cause of a fever of unknown origin (FUO) in dogs presents a considerable diagnostic challenge. The diagnostic workup can be frustrating for veterinarians and clients, especially when it fails to reach a final diagnosis after extensive testing. Fortunately, most causes of FUO can be found or treated successfully. This article discusses FUO in dogs and provides information about c...

Abstract Background Fever of unknown origin (FUO) is a challenging clinical problem in medicine that needs collaboration various diagnostic techniques to establish the accurate diagnosis. We evaluated performance 18F-FDG PET/CT patients who presented themselves with FUO. Our study included 40 FUO underwent examination and their results were compared laboratory, histopathological, microbiologica...

Takayasu’s arteritis is a chronic vasculitis of the large vessels and has rare initial presentation fever unknown origin (FUO), renders condition difficult to diagnose. Fluorodeoxyglucose (FDG) positron-emission tomography-computed tomography (PET-CT) can assist in early diagnosis Arteritis patients with FUO improve prognosis such patients. In this case report, we describe 27-year- old female p...

BACKGROUND Few reports have examined the viral aetiology of fever of unknown origin (FUO). OBJECTIVE This study determined the prevalence of human herpes virus (HHV) DNA in blood of Chinese patients with classic FUO using the polymerase chain reaction (PCR) and explored the possible role of HHV. STUDY DESIGN Blood samples were collected from 186 patients (151 children, 35 adults) with class...

Background: The etiology of fever of unknown origin (FUO) may differ from different countries. This study was conducted to evaluate the etiology of FUO in patients attending SKIMS, a tertiary care teaching hospital, at Srinagar, Kashmir, India. Methods: From July 2010 to September 2012, this study was done to examine the profile of patients with FUO. The classic FUO was defined as three outpati...

Objective: To describe an unusual case of drug reaction with eosinophilia and systemic symptoms presenting as fever unknown origin (FUO) the diagnostic hurdles that come presence differential diagnosis FUO, which is tuberculous lymphadenitis. Methods: A 34-year-old female a chief complaint has lasted for 3 weeks accompanied jaundice skin rashes 2 was admitted indication FUO. She had history car...

Abstract Background: The etiology of fever of unknown origin (FUO) may differ from different countries. This study was conducted to evaluate the etiology of FUO in patients attending SKIMS, a tertiary care teaching hospital, at Srinagar, Kashmir, India. Methods: From July 2010 to September 2012, this study was done to examine the profile of patients with FUO. The classic FUO was defined as th...