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Registration-based method for determining relative PET/MR left–right image orientation☆

C.M. Laymon, S.K. Ziolko, C.R. Becker, J.C. Price, J.M. Mountz
2008 NeuroImage  
We report on a quality control method for deducing the correct relative left-right orientation of a PET/MR image pair.  ...  In this study, image registration was performed on the PET/MR image pair. The MR image was then reflected (left/right reversed) and the image registration was performed again.  ...  Kathi Antonetti for assistance in the preparation of this manuscript.  ... 
doi:10.1016/j.neuroimage.2007.10.062 pmid:18178484 pmcid:PMC3261656 fatcat:2u5r2jg65bbizfjcprs44fkwf4

Attenuation Effects of MR Headphones During Brain PET/MR Studies

A. Ferguson, J. McConathy, Y. Su, D. Hewing, R. Laforest
2014 Journal of Nuclear Medicine Technology  
Images were acquired on a PET/MR device in 2 settings-one with the PET/MR headphones on and one with the headphones off.  ...  PET/MR offers potential advantages over PET/CT that are currently under investigation.  ...  ACKNOWLEDGMENTS We thank Michael Harrod and Linda Becker at Washington University for their technical expertise and help with acquisitions.  ... 
doi:10.2967/jnmt.113.131995 pmid:24556458 fatcat:ibmefx2jljc5fnje5xcwbirczi

PET/MR Synchronization by Detection of Switching Gradients

Bjoern Weissler, Pierre Gebhardt, Christoph W. Lerche, Georgios M. Soultanidis, Jakob Wehner, Dirk Heberling, Volkmar Schulz
2015 IEEE Transactions on Nuclear Science  
In contrast, we demonstrate a simple method for temporal synchronization, which does not require a connection to the MRI.  ...  As such hybrid imaging systems are commonly realized as custom-made PET inserts for commercially available MRI scanner, a synchronization solution has to be implemented (depending on the vendor of the  ...  Furthermore, they thank Lars Dues for his support in firmware design.  ... 
doi:10.1109/tns.2015.2427995 fatcat:znaxs6yr2jgsne255zvfazj6fu

PET/MR synchronization by detection of switching gradients

Bjoern Weissler, Pierre Gebhardt, Christoph W Lerche, Georgios Soultanidis, Jakob Wehner, Dirk Heberling, Volkmar Schulz
2014 EJNMMI Physics  
In contrast, we demonstrate a simple method for temporal synchronization, which does not require a connection to the MRI.  ...  As such hybrid imaging systems are commonly realized as custom-made PET inserts for commercially available MRI scanner, a synchronization solution has to be implemented (depending on the vendor of the  ...  Furthermore, they thank Lars Dues for his support in firmware design.  ... 
doi:10.1186/2197-7364-1-s1-a4 pmid:26501627 pmcid:PMC4546063 fatcat:5w3typ7m5zdord2o6b2pxshsue

Multiparameteric PET-MR Assessment of Response to Neoadjuvant Chemoradiotherapy in Locally Advanced Rectal Cancer: PET, MR, PET-MR and Tumor Texture Analysis: A Pilot Study

Ur Metser, Kartik S. Jhaveri, Grainne Murphy, Jaydeep Halankar, Douglas Hussey, Paul Dufort, Erin Kennedy
2015 Advances in Molecular Imaging  
These differences did not reach statistical significance (p = 0.625 for PET vs MR; p = 0.25 for PET-MR vs MR; p = 1 for PET vs PET-MR), likely due to the small sample size.  ...  Figure 3 . 3 48-year-old man with low rectal tumor, pretherapy PET (left), inverted ADC map (middle), and SUV/ADC map (right) show anterior wall rectal tumor.  ... 
doi:10.4236/ami.2015.53005 fatcat:f3kfpaqr5bhi5c7rezblrlyrby

A robust coregistration method forin vivostudies using a first generation simultaneous PET/MR scanner

Thomas S. C. Ng, Daniel Procissi, Yibao Wu, Russell E. Jacobs
2010 Medical Physics (Lancaster)  
Results: The alignment method consistently fused the PET/MR data sets with subvoxel accuracy ͑registration error mean= 0.55 voxels, Ͻ0.28 mm͒; this was independent of location within the field of view.  ...  The authors have developed a robust coregistration scheme for a first generation small animal PET/MR imaging system and illustrated the potential of this system to study intratumoral heterogeneity in a  ...  James Bading for advice on imaging issues and support, Hargun Sohi and  ... 
doi:10.1118/1.3369447 pmid:20527533 pmcid:PMC2866256 fatcat:vxrpgs5lrzfvnf7dpjnrdbogha

Impact of improved attenuation correction on 18F-FDG PET/MR hybrid imaging of the heart

Maike E. Lindemann, Felix Nensa, Harald H. Quick, Giorgio Treglia
2019 PLoS ONE  
/MR) imaging.  ...  and quantify the effect of improved attenuation correction (AC) including bone segmentation and truncation correction on 18F-Fluordesoxyglucose cardiac positron emission tomography/magnetic resonance (PET  ...  The figure depicts the Dixon-VIBE and HUGE AC-maps, the HUGE raw data of left and right side and fusion images of the HUGE AC-map with HUGE raw data for both sides in axial and coronal orientation for  ... 
doi:10.1371/journal.pone.0214095 pmid:30908507 pmcid:PMC6433217 fatcat:xklkwbmq75ebdi4ca5jqrtouie

A 3-D model-based registration approach for the PET, MR and MCG cardiac data fusion

Timo Mäkelä, Quoc Cuong Pham, Patrick Clarysse, Jukka Nenonen, Jyrki Lötjönen, Outi Sipilä, Helena Hänninen, Kirsi Lauerma, Juhani Knuuti, Toivo Katila, Isabelle E. Magnin
2003 Medical Image Analysis  
The method uses model-based coregistration of MR and PET images and marker-based registration for MRI and MCG.  ...  In this paper, a new approach is presented for the assessment of a 3-D anatomical and functional model of the heart including structural information from magnetic resonance imaging (MRI) and functional  ...  This work was performed within the framework of the joint incentive action "Beating Heart" of the research groups ISIS, ALP and MSPC of the French National Center for Scientific Research (CNRS).  ... 
doi:10.1016/s1361-8415(03)00012-4 pmid:12946476 fatcat:vn4bdhklvzeejczzsugugx7i3e

Fully integrated 3D high-resolution multicontrast abdominal PET-MR with high scan efficiency

Christoph Kolbitsch, Radhouene Neji, Matthias Fenchel, Andrew Mallia, Paul Marsden, Tobias Schaeffter
2017 Magnetic Resonance in Medicine  
(a) FS was calculated along the right diaphragm (RD), the right kidney (RK) and left kidney (LK).  ...  ± 1.34 min for the entire PET-MR examination.  ... 
doi:10.1002/mrm.26757 pmid:28503729 fatcat:m5rhhz4t6je7nndj64kjbqwaga

89Zr-Labeled Paramagnetic Octreotide-Liposomes for PET-MR Imaging of Cancer

Diane S. Abou, Daniel L. J. Thorek, Nicholas N. Ramos, Martijn W. H. Pinkse, Hubert T. Wolterbeek, Sean D. Carlin, Bradley J. Beattie, Jason S. Lewis
2012 Pharmaceutical Research  
Purpose-Dual-modality PET/MR platforms add a new dimension to patient diagnosis with high resolution, functional, and anatomical imaging.  ...  Conclusions-This study demonstrated SSTr2-targeting specificity along with direct chelatorfree 89 Zr-labeling of LPs and dual PET/MR imaging properties.  ...  Fig. 6 . 6 PET/MR co-registration: MR (top row) and PET (bottom) scans of mice bearing wild type (wt) (→) and SSTr2-postive tumors (◆→) and injected with CL (left panel) and OL (right panel).  ... 
doi:10.1007/s11095-012-0929-8 pmid:23224977 pmcid:PMC3578092 fatcat:6h6a6v7iyncbrfd73u7uwsf7cm

Development of novel plastic scintillators based on polyvinyltoluene for the hybrid J-PET/MR tomograph [article]

Anna Wieczorek
2017 arXiv   pre-print
In the thesis method of scintillators development and characterization of their properties are presented as well as synthesis method of the novel wavelength shifter.  ...  A novel plastic scintillator, referred to as J-PET scintillator, has been developed for the application in the digital positron emission tomography (PET).  ...  J-PET/MR solution will be built of plastic scintillator, what will make the hybrid imaging technology more achievable.  ... 
arXiv:1710.08136v1 fatcat:enl3nja2yjesplp5zghe52lx7u

Current Trends in PET and Combined (PET/CT and PET/MR) Systems Design

Habib Zaidi, Abass Alavi
2007 PET Clinics  
The first in vivo mice images confirmed the capability of the system for performing simultaneous PET/MR imaging [137] .  ...  The development of combined PET/MR systems based on APDs is one of the most promising designs achieved thus far.  ... 
doi:10.1016/j.cpet.2007.10.004 pmid:27157869 fatcat:tlec447fvjcpligu5cevpfjgvm

Toward simultaneous PET/MR breast imaging: Systematic evaluation and integration of a radiofrequency breast coil

Bassim Aklan, Daniel H. Paulus, Evelyn Wenkel, Harald Braun, Bharath K. Navalpakkam, Susanne Ziegler, Christian Geppert, Eric E. Sigmund, Amy Melsaether, Harald H. Quick
2013 Medical Physics (Lancaster)  
Results: The modular breast phantom allowed for systematic evaluation of various MR, PET, and PET/MR image quality parameters.  ...  Methods: Measurements were performed on a state-of-the-art whole-body simultaneous PET/MR system (Biograph mMR, Siemens AG, Erlangen, Germany).  ...  The Biograph mMR PET/MR system at the Institute of Medical Physics, University of Erlangen, was funded through a research cooperation between the University of Erlangen and Siemens Healthcare Sector, Erlangen  ... 
doi:10.1118/1.4788642 pmid:23387782 fatcat:e4evije3nbgivbybd5aiykgn2q

Optimization of PET–MR registrations for nonhuman primates using mutual information measures: A Multi-Transform Method (MTM)

Christine M. Sandiego, David Weinzimmer, Richard E. Carson
2013 NeuroImage  
The Multi-Transform Methods proved to be a robust technique for PET-MR registrations for a wide range of PET studies.  ...  Typically, PET-MR registrations in nonhuman primate neuroreceptor studies used PET images acquired early post-injection, (e.g., 0-10 min) to closely resemble the subject's MR image.  ...  of the National Institutes of Health (NIH), and NIH roadmap for Medical Research.  ... 
doi:10.1016/j.neuroimage.2012.08.051 pmid:22926293 pmcid:PMC3508355 fatcat:vdu46pe77bekpl54zqbyejob6i

A 16-channel MR coil for simultaneous PET/MR imaging in breast cancer

Isabel Dregely, Titus Lanz, Stephan Metz, Matthias F. Mueller, Marika Kuschan, Manoj Nimbalkar, Ralph A. Bundschuh, Sibylle I. Ziegler, Axel Haase, Stephan G. Nekolla, Markus Schwaiger
2014 European Radiology  
Objectives To implement and evaluate a dedicated receive array coil for simultaneous PET/MR in breast cancer. Methods The 16 receiver channel coil design was optimized for simultaneous PET/MR.  ...  Conclusions Using a dedicated PET/MR breast coil, state-of-the-art MRI was possible.  ...  The PET/MR system used for this study was funded through the "Deutsche Forschungsgemeinschaft (DFG) Grossgeräteinitiative 2010".  ... 
doi:10.1007/s00330-014-3445-x pmid:25287263 fatcat:u5ezzhhehfgjtnmumghmkc7nxm
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