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K. Strobel, C. M. Thuerl, T. F. Hany

How much intravenous contrast is needed in FDG-PET/CT?

Intravenous, iodinated contrast agents are used routinely for CT (ceCT) imaging but only applied reluctantly for FDGPET/CT due to possible artefacts. Only for few oncological PET/CT indications, the role of IV contrast agent has been clarified. Essentially, if any knowledge regarding vascular structures or tumour invasion into adjacent structures are needed, a ceCT as part of the combined PET/CT exam should be implemented. However, for some indications like lymphoma, contrast seems not to be necessary. Therefore, imaging procedures for the use of IV contrast for PET/CT have to be adapted individually for each FDG-PET/CT indication to especially reduce unnecessary radiation burden to the patient.

Nuklearmedizin, Schattauer

Print ISSN: 0029-5566
Volume: 44, 01/2005
Pages: S32 - S37

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