Search Results - "Casey, Michael E."

Whole-body direct 4D parametric PET imaging employing nested generalized Patlak expectation-maximization reconstruction by Karakatsanis, Nicolas A, Casey, Michael E, Lodge, Martin A, Rahmim, Arman, Zaidi, Habib

“…Whole-body (WB) dynamic PET has recently demonstrated its potential in translating the quantitative benefits of parametric imaging to the clinic…”
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Generalized whole-body Patlak parametric imaging for enhanced quantification in clinical PET by Karakatsanis, Nicolas A, Zhou, Yun, Lodge, Martin A, Casey, Michael E, Wahl, Richard L, Zaidi, Habib, Rahmim, Arman

“…We recently developed a dynamic multi-bed PET data acquisition framework to translate the quantitative benefits of Patlak voxel-wise analysis to the domain of…”
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Impact of Time-of-Flight on PET Tumor Detection by Kadrmas, Dan J, Casey, Michael E, Conti, Maurizio, Jakoby, Bjoern W, Lois, Cristina, Townsend, David W

“…Time-of-flight (TOF) PET uses very fast detectors to improve localization of events along coincidence lines-of-response. This information is then utilized to…”
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Data-driven voluntary body motion detection and non-rigid event-by-event correction for static and dynamic PET by Lu, Yihuan, Gallezot, Jean-Dominique, Naganawa, Mika, Ren, Silin, Fontaine, Kathryn, Wu, Jing, Onofrey, John A, Toyonaga, Takuya, Boutagy, Nabil, Mulnix, Tim, Panin, Vladimir Y, Casey, Michael E, Carson, Richard E, Liu, Chi

“…PET has the potential to perform absolute in vivo radiotracer quantitation. This potential can be compromised by voluntary body motion (BM), which degrades…”
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Validation of the SimSET simulation package for modeling the Siemens Biograph mCT PET scanner by Poon, Jonathan K, Dahlbom, Magnus L, Casey, Michael E, Qi, Jinyi, Cherry, Simon R, Badawi, Ramsey D

“…Monte Carlo simulation provides a valuable tool in performance assessment and optimization of system design parameters for PET scanners. SimSET is a popular…”
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Spatiotemporal distribution modeling of PET tracer uptake in solid tumors by Soltani, Madjid, Sefidgar, Mostafa, Bazmara, Hossein, Casey, Michael E., Subramaniam, Rathan M., Wahl, Richard L., Rahmim, Arman

“…Objective Distribution of PET tracer uptake is elaborately modeled via a general equation used for solute transport modeling. This model can be used to…”
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Dynamic whole-body PET imaging: principles, potentials and applications by Rahmim, Arman, Lodge, Martin A., Karakatsanis, Nicolas A., Panin, Vladimir Y., Zhou, Yun, McMillan, Alan, Cho, Steve, Zaidi, Habib, Casey, Michael E., Wahl, Richard L.

“…Purpose In this article, we discuss dynamic whole-body (DWB) positron emission tomography (PET) as an imaging tool with significant clinical potential, in…”
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Benefit of Improved Performance with State-of-the Art Digital PET/CT for Lesion Detection in Oncology by Surti, Suleman, Viswanath, Varsha, Daube-Witherspoon, Margaret E, Conti, Maurizio, Casey, Michael E, Karp, Joel S

“…The latest digital whole-body PET scanners provide a combination of higher sensitivity and improved spatial and timing resolution. We performed a lesion…”
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Respiratory Motion Compensation for PET/CT with Motion Information Derived from Matched Attenuation-Corrected Gated PET Data by Lu, Yihuan, Fontaine, Kathryn, Mulnix, Tim, Onofrey, John A, Ren, Silin, Panin, Vladimir, Jones, Judson, Casey, Michael E, Barnett, Robert, Kench, Peter, Fulton, Roger, Carson, Richard E, Liu, Chi

“…Respiratory motion degrades the detection and quantification capabilities of PET/CT imaging. Moreover, mismatch between a fast helical CT image and a…”
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A multi-centre evaluation of eleven clinically feasible brain PET/MRI attenuation correction techniques using a large cohort of patients by Ladefoged, Claes N., Law, Ian, Anazodo, Udunna, St. Lawrence, Keith, Izquierdo-Garcia, David, Catana, Ciprian, Burgos, Ninon, Cardoso, M. Jorge, Ourselin, Sebastien, Hutton, Brian, Mérida, Inés, Costes, Nicolas, Hammers, Alexander, Benoit, Didier, Holm, Søren, Juttukonda, Meher, An, Hongyu, Cabello, Jorge, Lukas, Mathias, Nekolla, Stephan, Ziegler, Sibylle, Fenchel, Matthias, Jakoby, Bjoern, Casey, Michael E., Benzinger, Tammie, Højgaard, Liselotte, Hansen, Adam E., Andersen, Flemming L.

“…To accurately quantify the radioactivity concentration measured by PET, emission data need to be corrected for photon attenuation; however, the MRI signal…”
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Unsupervised inter-frame motion correction for whole-body dynamic PET using convolutional long short-term memory in a convolutional neural network by Guo, Xueqi, Zhou, Bo, Pigg, David, Spottiswoode, Bruce, Casey, Michael E, Liu, Chi, Dvornek, Nicha C

“…Subject motion in whole-body dynamic PET introduces inter-frame mismatch and seriously impacts parametric imaging. Traditional non-rigid registration methods…”
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Motion correction strategies for integrated PET/MR by Fürst, Sebastian, Grimm, Robert, Hong, Inki, Souvatzoglou, Michael, Casey, Michael E, Schwaiger, Markus, Nekolla, Stephan G, Ziegler, Sibylle I

“…Integrated whole-body PET/MR facilitates the implementation of a broad variety of respiratory motion correction strategies, taking advantage of the strengths…”
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Simultaneous reconstruction of the activity image and registration of the CT image in TOF-PET by Rezaei, Ahmadreza, Michel, Christian, Casey, Michael E, Nuyts, Johan

“…Previously, maximum-likelihood methods have been proposed to jointly estimate the activity image and the attenuation image or the attenuation sinogram from…”
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Feasibility of using abbreviated scan protocols with population-based input functions for accurate kinetic modeling of [18F]-FDG datasets from a long axial FOV PET scanner by Sari, Hasan, Eriksson, Lars, Mingels, Clemens, Alberts, Ian, Casey, Michael E., Afshar-Oromieh, Ali, Conti, Maurizio, Cumming, Paul, Shi, Kuangyu, Rominger, Axel

“…Background Accurate kinetic modeling of 18F-fluorodeoxyglucose ([ 18 F]-FDG) positron emission tomography (PET) data requires accurate knowledge of the…”
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Development and Evaluation of mini-EXPLORER: A Long Axial Field-of-View PET Scanner for Nonhuman Primate Imaging by Berg, Eric, Zhang, Xuezhu, Bec, Julien, Judenhofer, Martin S, Patel, Brijesh, Peng, Qiyu, Kapusta, Maciej, Schmand, Matthias, Casey, Michael E, Tarantal, Alice F, Qi, Jinyi, Badawi, Ramsey D, Cherry, Simon R

“…We describe a long axial field-of-view (FOV) PET scanner for high-sensitivity and total-body imaging of nonhuman primates and present the physical performance…”
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Generalized PSF modeling for optimized quantitation in PET imaging by Ashrafinia, Saeed, Mohy-Ud-Din, Hassan, Karakatsanis, Nicolas A, Jha, Abhinav K, Casey, Michael E, Kadrmas, Dan J, Rahmim, Arman

“…Point-spread function (PSF) modeling offers the ability to account for resolution degrading phenomena within the PET image generation framework. PSF modeling…”
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An Assessment of the Impact of Incorporating Time-of-Flight Information into Clinical PET/CT Imaging by Lois, Cristina, Jakoby, Bjoern W, Long, Misty J, Hubner, Karl F, Barker, David W, Casey, Michael E, Conti, Maurizio, Panin, Vladimir Y, Kadrmas, Dan J, Townsend, David W

“…The introduction of fast scintillators with good stopping power for 511-keV photons has renewed interest in time-of-flight (TOF) PET. The ability to measure…”
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Library 2.0: a guide to participatory library service by Casey, Michael E, Savastinuk, Laura C

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List-mode reconstruction for the Biograph mCT with physics modeling and event-by-event motion correction by Jin, Xiao, Chan, Chung, Mulnix, Tim, Panin, Vladimir, Casey, Michael E, Liu, Chi, Carson, Richard E

“…Whole-body PET/CT scanners are important clinical and research tools to study tracer distribution throughout the body. In whole-body studies, respiratory…”
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Evaluation of MLACF based calculated attenuation brain PET imaging for FDG patient studies by Bal, Harshali, Panin, Vladimir Y, Platsch, Guenther, Defrise, Michel, Hayden, Charles, Hutton, Chloe, Serrano, Benjamin, Paulmier, Benoit, Casey, Michael E

“…Calculating attenuation correction for brain PET imaging rather than using CT presents opportunities for low radiation dose applications such as pediatric…”
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