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01-07-2011 | Head and Neck

Feasibility of simultaneous PET/MR imaging in the head and upper neck area

Authors: Andreas Boss, Lars Stegger, Sotirios Bisdas, Armin Kolb, Nina Schwenzer, Markus Pfister, Claus D. Claussen, Bernd J. Pichler, Christina Pfannenberg

Published in: European Radiology | Issue 7/2011

Abstract

Objective

The aim of this pilot study was to test and demonstrate the feasibility of simultaneous positron emission tomography (PET) and magnetic resonance imaging (MRI) of the head and upper neck area using a new hybrid PET/MRI system.

Methods

Eight patients with malignant head and neck tumours were included in the pilot study. Directly after routine PET/CT imaging with a whole-body system using the glucose derivative 2-[¹⁸F]fluoro-2deoxy-D-glucose (FDG) as a radiotracer additional measurements were performed with a prototype PET/MRI system for simultaneous PET and MR imaging. Physiological radiotracer uptake within regular anatomical structures as well as tumour uptake were evaluated visually and semiquantitatively (metabolic ratios) in relation to cerebellar uptake on the PET/MRI and PET/CT systems.

Results

The MR datasets showed excellent image quality without any recognisable artefacts caused by the inserted PET system. PET images obtained with the PET/MRI system exhibited better detailed resolution and greater image contrast in comparison to those from the PET/CT system. An excellent agreement between metabolic ratios obtained with both PET systems was found: R = 0.99 for structures with physiological tracer uptake, R = 0.96 for tumours.

Conclusion

Simultaneous PET/MRI of the head and upper neck area is feasible with the new hybrid PET/MRI prototype.

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Title: Feasibility of simultaneous PET/MR imaging in the head and upper neck area
Authors: Andreas Boss
Lars Stegger
Sotirios Bisdas
Armin Kolb
Nina Schwenzer
Markus Pfister
Claus D. Claussen
Bernd J. Pichler
Christina Pfannenberg
Publication date: 01-07-2011
Publisher: Springer-Verlag
Published in: European Radiology / Issue 7/2011
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-011-2072-z

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Feasibility of simultaneous PET/MR imaging in the head and upper neck area

Abstract

Objective

Methods

Results

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Objective

Methods

Results

Conclusion

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