Kikuchi Fujimoto Disease (KFD), also known as necrotic histiocystic lymphadenitis, is a condition with unknown etiology. Probably, infectious, viral, and also autoimmune etiologies, especially lupus erythematosus, contribute to this disorder. The common signs are lymphadenopathy along with fever and leukopenia. Our case was a13-year-old boy with fever of unknown origin. He underwent ordinary fe...

The original criteria for fever of unknown origin (FUO) as set forth in 1961 by Petersdorf and Beeson were fever higher than 38.3°C on several occasions of at least 3 weeks’ duration and uncertain diagnosis after 1 week of study in the hospital (1). This definition was later revised, and the criterion of 1 week of hospitalization has been replaced by 3 days of hospitalization or three outpatien...

There are many potential causes of FUO. Most cases are due to unusual presentations of common diseases rather than rare or exotic diseases. The key to establishing the diagnosis is a careful history and careful repeated examinations followed by targeted investigations.

background fever of unknown origin (fuo) is defined as the presence of fever in a child for eight or more days that a careful history and physical examination and preliminary laboratory results failed to reveal the probable cause of the fever. the causes of fuo are different according to geographical regions and age. objectives the current study aimed to evaluate the common causes of childhood ...

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...

Background: Fever of unknown origin (FUO) is a perplexing medical problem. The causes for FUO are more than 200 diseases. The aim of the study was to present human clinical cases of Coxiella burnetii infection debuting as FUO. Methods: The following methods were conducted in the study: literature search, laboratory, imaging, and statistical methods. Criteria of Durack and Street were applied f...

Strongyloides is endemic in parts of the United States. Most often it is asymptomatic but it has a wide range of clinical presentations. Because of the unusual capacity of strongyloides for autoinfection, it can cause hyperinfection, when it effects the pulmonary and gastrointestinal systems, or disseminated infection, when other organs are involved. Both hyperinfection and disseminated strongy...

概要 近年,診 断技 術の進歩 お よび疾患概 念の変化 に よ り,不 明熱 の原 因疾患 は変貌 して い る と推測 され る.そ こで不 明熱 の原因疾 患の 変遷 を明 らかに し,診 断上 の問題 点 を検 討 した. 1971-1982 の11年 間 に北 里大学 田崎内科 に入院 した患 者6695例 よ りPetersdorfら の定 義 を満 足す る症例79例 を抽 出 して解析 した.不 明熱 の原因疾患ば 感染 症35%(28例),結 合組織 病22% (17例),悪 性腫瘍14%(11例),そ の他8%(6例)お よび診断不能22%(17例)で あ つた.感 染症 が最 も多 かつた が,年 次別 にみ ると感染 症の比率 は低 下す る傾 向 にあ り,か わつ て結合組 織病 と悪性腫瘍 が増加す る傾向 にあつた.各 群 を構成す る主な疾 患は,感...