Fever of unknown origin due to dental infections: cases report and review.

Persistent undiagnosed fever remains a common problem in clinical practice. In a variable number of cases, no definitive diagnosis is made. This lack of a clear etiology indicates that certain disorders are not being detected despite the recently developed technology usually applied in this situation.

Fever of unknown origin in carcinoma of the colon.

Objective: To report a case of fever of unknown origin in a patient with carcinoma of the colon but without gastrointestinal symptoms.

Clinical Presentation And Intervention: A 65-year-old man presented with a long-standing fever (of 38 degrees C, about two months' duration), night sweats, fatigue, malaise and anxiety. General physical examination including rectum, radiographic examinations of the chest, abdomen and bones (including ultrasonography and CT scanning) was normal.