PET/MR in prostate cancer: technical aspects and potential diagnostic value
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PET/MR is a new multimodal imaging technique that is expected to improve diagnostic performance of imaging in conditions in which assessment of changes in soft tissue is important such as prostate cancer. Despite substantial changes in PET technology compared to PET/CT, initial studies have demonstrated that integrated PET/MR provides comparable image quality to that of PET/CT, retaining PET quantification efficacy. In this review we briefly describe technological changes compared to PET/CT that made integrated PET/MR possible, propose acquisition protocols for evaluation of prostate cancer with this new multimodal approach, present initial results concerning the application of PET/MR in prostate cancer, and outline the potential for further clinical applications, focusing on potential incremental value compared to present diagnostic performance.
KeywordsPET/MR PET/CT Prostate cancer Multimodal imaging
We would like to thank all the patients and their relatives for participating in the studies comparing PET/CT with PET/MR. Furthermore, we thank the whole PET/CT and PET/MR team for their excellent technical assistance as well as the cyclotron team for the reliable tracer supply. The installation of PET/MR in our clinic was funded by the DFG (Deutsche Forschungsgemeinschaft, Grossgeräteinitiative).
Conflicts of interest
The Department of Nuclear Medicine, Technische Universität München, has established a research cooperation contract with Siemens Healthcare AG. The authors A. Beer and M. Schwaiger have received speaker honoraria from Siemens Healthcare. Apart from that there are no other conflicts of interest.
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