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Variations in PET/MRI Operations: Results from an International Survey Among 39 Active Sites.

ABSTRACT: Information has been collected from PET/MRI operational sites to identify its present and future applications. This may help to focus discussions on common interests of the PET/MRI community.A web-based survey of PET/MRI users was conducted from June to October 2015. The survey was composed of 26 questions related to the PET/MRI center, present use and imaging protocols, and perspectives on key applications.Responses were collected from 39 international sites that operated PET/MRI for a median of 30 mo (range, 2-62 mo). Most installations were located in public institutions with an academic focus (n = 26, 67%). Systems were primarily operated by nuclear medicine departments (n = 13, 33%), jointly by nuclear medicine and radiology (n = 11, 28%), and radiology only (n = 10, 26%). PET/MRI operation was equally focused on clinic routine and research (47% vs. 45% of sites, respectively). Sites reported a strong focus on oncology (76% of research and 88% of clinical applications). Other applications included neurology (9% clinical, 12% research) and cardiology (3% clinical, 6% research). Perceived superiority over PET/CT was identified as the strongest driver for clinical adoption. Over half the operators expect PET/MRI to excel in clinical routine within 3-5 y. Emerging key applications for future PET/MRI use were cardiovascular disease and imaging of inflammation.An international survey of early PET/MR adopters reveals a mixed use of this combined imaging modality, with a focus on oncology. The future of PET/MRI is seen in expanded application for oncology and neurology, but also cardiovascular disease and inflammation.

SUBMITTER: Fendler WP

PROVIDER: S-EPMC5135589 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Variations in PET/MRI Operations: Results from an International Survey Among 39 Active Sites.

Fendler Wolfgang Peter WP Czernin Johannes J Herrmann Ken K Beyer Thomas T

Journal of nuclear medicine : official publication, Society of Nuclear Medicine 20160811 12

Information has been collected from PET/MRI operational sites to identify its present and future applications. This may help to focus discussions on common interests of the PET/MRI community.<h4>Methods</h4>A web-based survey of PET/MRI users was conducted from June to October 2015. The survey was composed of 26 questions related to the PET/MRI center, present use and imaging protocols, and perspectives on key applications.<h4>Results</h4>Responses were collected from 39 international sites that ...[more]

PMID: 27516448

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Project description:The 6th annual meeting to address key issues in positron emission tomography (PET)/magnetic resonance imaging (MRI) was held again in Tübingen, Germany, from March 27 to 29, 2017. Over three days of invited plenary lectures, round table discussions and dialogue board deliberations, participants critically assessed the current state of PET/MRI, both clinically and as a research tool, and attempted to chart future directions. The meeting addressed the use of PET/MRI and workflows in oncology, neurosciences, infection, inflammation and chronic pain syndromes, as well as deeper discussions about how best to characterise the tumour microenvironment, optimise the complementary information available from PET and MRI, and how advanced data mining and bioinformatics, as well as information from liquid biomarkers (circulating tumour cells and nucleic acids) and pathology, can be integrated to give a more complete characterisation of disease phenotype. Some issues that have dominated previous meetings, such as the accuracy of MR-based attenuation correction (AC) of the PET scan, were finally put to rest as having been adequately addressed for the majority of clinical situations. Likewise, the ability to standardise PET systems for use in multicentre trials was confirmed, thus removing a perceived barrier to larger clinical imaging trials. The meeting openly questioned whether PET/MRI should, in all cases, be used as a whole-body imaging modality or whether in many circumstances it would best be employed to give an in-depth study of previously identified disease in a single organ or region. The meeting concluded that there is still much work to be done in the integration of data from different fields and in developing a common language for all stakeholders involved. In addition, the participants advocated joint training and education for individuals who engage in routine PET/MRI. It was agreed that PET/MRI can enhance our understanding of normal and disrupted biology, and we are in a position to describe the in vivo nature of disease processes, metabolism, evolution of cancer and the monitoring of response to pharmacological interventions and therapies. As such, PET/MRI is a key to advancing medicine and patient care.

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Variations in PET/MRI Operations: Results from an International Survey Among 39 Active Sites.

Publications

Variations in PET/MRI Operations: Results from an International Survey Among 39 Active Sites.

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