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F-18-Fluorodeoxyglucose Positron Emission Tomography/CT Effectively Identifying Source of Infection in a Patient With

James T Roberts1, Javier Villanueva-Meyer2, Samuel Bezold3

  • 1Diagnostic Radiology, University of Texas Medical Branch, Galveston, USA.

Cureus
|July 14, 2020
PubMed

Radiologic imaging techniques, such as F-18-fluorodeoxyglucose positron emission tomography/computerized tomography (FDG PET/CT), provide diagnostic value in a variety of diseases. In cases of suspected infection, FDG PET/CT can find areas of fluorodeoxyglucose metabolism, correlating with local acute inflammation. The following case involves a man with end-stage renal disease (ESRD), who presented with symptoms of infection and positive blood cultures with high suspicion of arteriovenous fistula as the source of infection. The patient also had two central lines that could be a site of infection. Concerns for patient's persistent positive blood cultures necessitated FDG PET/CT to confirm site of infection. Confirming active infection and the source of infection guides therapeutic measures and eliminates concern for other disease etiologies common in patients with ESRD.

Keywords:
av fistuladiagnostic imagingend stage renal diseasefdg-pet/ctinflammationnuclear medicinescreeningsite of infection

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