Hybrid PET/MRI imaging with continuous table motion

Medical Physics
Harald BraunHarald H Quick

Abstract

With the recent introduction of integrated whole-body hybrid positron emission tomography/magnetic resonance imaging (PET/MRI) scanners, the need for data collection strategies arises that provide time efficient, simultaneous, and easy acquisition of PET and MRI data. One approach is to develop acquisition protocols with continuous table motion. In this work, a reconstruction technique to allow for reconstruction of PET data that were acquired with continuous table motion on an integrated hybrid whole-body PET/MRI scanner is presented and evaluated. PET and MRI data of two quality-control phantoms ((68)Ge-Cylinder and Jasczcak phantom), a custom-built large body phantom, and of a clinical patient were acquired on a Biograph mMR 3.0 Tesla whole-body PET/MRI system with continuous table motion and for comparison with the standard multistation acquisition approach. The data were postprocessed and reconstructed offline with custom software to allow for continuous table motion acquisition and analyzed with respect to noise, spatial resolution, and geometric accuracy as well as subjective image impression. It is shown that data acquisition with continuous table motion is equivalent and in some respects, superior to the traditional mu...Continue Reading

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Citations

Feb 28, 2013·Investigative Radiology·Harald H QuickMichael Lell
Aug 10, 2013·Medical Physics·René KartmannHarald H Quick
Jun 9, 2015·Seminars in Nuclear Medicine·Felipe de Galiza BarbosaPatrick Veit-Haibach
Dec 18, 2013·Journal of Magnetic Resonance Imaging : JMRI·Harald H Quick
Mar 13, 2014·Journal of Biomedical Materials Research. Part a·Magdalena RadovićSanja Vranješ-Đurić
Sep 26, 2014·Physics in Medicine and Biology·V Y PaninM E Casey
Aug 11, 2012·Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine·Axel Martinez-MöllerAmbros J Beer
May 3, 2014·Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine·Gustav K von Schulthess, Patrick Veit-Haibach
Nov 16, 2013·Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine·Harald BraunHarald H Quick
May 23, 2021·Seminars in Nuclear Medicine·Asim AfaqJamshed Bomanji
Aug 27, 2021·EJNMMI Physics·Eve LennieSteven Sourbron

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