Abstract
Fluorine-18-fluorodeoxyglucose–positron emission tomography (18F-FDG-PET)/computed tomography (CT) is diagnostic tomographic imaging for the detection of metabolic activity in the human body. FDG is an analog of glucose which enters into viable cells via cell membrane glucose transporters and phosphorylated with hexokinase inside cells. FDG is labeled with 18F, which is a cyclotron-produced radioisotope. The ability of 18F-FDG-PET/CT to detect sites of inflammation and infection is based on the high glycolytic activity of the cells involved in the inflammatory response. In the imaging analysis and interpretation it is important to be aware of physiological distribution of 18F-FDG on the PET scan. Visual, qualitative analysis means looking for increased physiological 18F-FDG uptake in whole body PET scan. It is important to take into account pattern and intensity of uptake and morphological information obtained by CT. Quantitative parameters, such as standardized uptake values (SUVmax), should be used with caution in patients with TB because it is not yet validated in literature and clinical practice. However, it could be of value for monitoring the response of the disease to the therapy.
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Artiko, V., Pantovic, J. (2020). FDG–PET Imaging in TB: Patient Preparation and Imaging. In: Sobic Saranovic, D., Vorster, M., Gambhir, S., Pascual, T. (eds) PET/CT in Tuberculosis. Clinicians’ Guides to Radionuclide Hybrid Imaging(). Springer, Cham. https://doi.org/10.1007/978-3-030-47009-8_5
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