Search Results - "Phantoms, Imaging"

Monte Carlo dosimetric analyses on the use of 90 Y-IsoPet intratumoral therapy in canine subjects by Bobić, Mislav, Huesa-Berral, Carlos, Terry, Jack F, Kunz, Louis, Schuemann, Jan, Fisher, Darrell R, Maitz, Charles A, Bertolet, Alejandro

“…To investigate different dosimetric aspects of Y-IsoPet™ intratumoral therapy in canine soft tissue sarcomas, model the spatial spread of the gel…”
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Simultaneous Mapping of T 1 and T 2 Using Cardiac Magnetic Resonance Fingerprinting in a Cohort of Healthy Subjects at 1.5T by Hamilton, Jesse I, Pahwa, Shivani, Adedigba, Joseph, Frankel, Samuel, O'Connor, Gregory, Thomas, Rahul, Walker, Jonathan R, Killinc, Ozden, Lo, Wei-Ching, Batesole, Joshua, Margevicius, Seunghee, Griswold, Mark, Rajagopalan, Sanjay, Gulani, Vikas, Seiberlich, Nicole

“…Cardiac MR fingerprinting (cMRF) is a novel technique for simultaneous T and T mapping. To compare T /T measurements, repeatability, and map quality between cMRF and standard mapping techniques in healthy subjects. Prospective…”
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Feasibility study of subject‐specific, brain specific‐absorption‐rate maps retrieved from MRI data by Martinez, Jessica A., Zanovello, Umberto, Arduino, Alessandro, Hu, Houchun Harry, Moulin, Kevin, Ogier, Stephen E., Bottauscio, Oriano, Zilberti, Luca, Keenan, Kathryn E.

“…‐specific SAR assessment. This study confirms the feasibility of deriving in vivo, subject…”
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In vivo human head MRI at 10.5T: A radiofrequency safety study and preliminary imaging results by Sadeghi‐Tarakameh, Alireza, DelaBarre, Lance, Lagore, Russell L., Torrado‐Carvajal, Angel, Wu, Xiaoping, Grant, Andrea, Adriany, Gregor, Metzger, Gregory J., Van de Moortele, Pierre‐Francois, Ugurbil, Kamil, Atalar, Ergin, Eryaman, Yigitcan

“… Methods To ensure safety of subjects, we validated the electromagnetic simulation model of our coil…”
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A deep learning method for image‐based subject‐specific local SAR assessment by Meliadò, E.F., Raaijmakers, A.J.E, Sbrizzi, A., Steensma, B.R., Maspero, M., Savenije, M.H.F., Luijten, P.R., Berg, C.A.T.

“…–based method for image‐based subject‐specific local SAR assessment. We propose to train a convolutional neural network to learn a “surrogate SAR model…”
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Quantifying 3D MR fingerprinting (3D‐MRF) reproducibility across subjects, sessions, and scanners automatically using MNI atlases by Dupuis, Andrew, Chen, Yong, Hansen, Michael, Chow, Kelvin, Sun, Jessie E. P., Badve, Chaitra, Ma, Dan, Griswold, Mark A., Boyacioglu, Rasim

“… Methods We acquire whole‐brain 3D‐MRF, turbo spin echo, and MPRAGE sequences three times each on two scanners across 10 subjects, for a total of 60 multimodal datasets…”
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3D B1+ corrected simultaneous myocardial T1 and T1ρ mapping with subject‐specific respiratory motion correction and water‐fat separation by Qi, Haikun, Lv, Zhenfeng, Diao, Jiameng, Tao, Xiaofeng, Hu, Junpu, Xu, Jian, Botnar, René, Prieto, Claudia, Hu, Peng

“… preparation pulses for T1 and T1ρ sensitization. A subject‐specific respiratory motion model relating the 1D diaphragmatic navigator to the respiration…”
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Noninvasive molecular imaging of small living subjects using Raman spectroscopy by Keren, S, Zavaleta, C, Cheng, Z, de la Zerda, A, Gheysens, O, Gambhir, S S

“…Molecular imaging of living subjects continues to rapidly evolve with bioluminescence and fluorescence strategies, in particular being frequently used for small-animal models…”
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Intra‐session and inter‐subject variability of 3D‐FID‐MRSI using single‐echo volumetric EPI navigators at 3T by Moser, Philipp, Eckstein, Korbinian, Hingerl, Lukas, Weber, Michael, Motyka, Stanislav, Strasser, Bernhard, Kouwe, Andre, Robinson, Simon, Trattnig, Siegfried, Bogner, Wolfgang

“…Purpose In this study, we demonstrate the first combination of 3D FID proton MRSI and spatial encoding via concentric‐ring trajectories (CRTs) at 3T. FID‐MRSI…”
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Effect of subject‐specific head morphometry on specific absorption rate estimates in parallel‐transmit MRI at 7 T by Jeong, Hongbae, Andersson, Jesper, Hess, Aaron, Jezzard, Peter

“…Purpose To assess the accuracy of morphing an established reference electromagnetic head model to a subject…”
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Metrology Standards for Quantitative Imaging Biomarkers by Sullivan, Daniel C, Obuchowski, Nancy A, Kessler, Larry G, Raunig, David L, Gatsonis, Constantine, Huang, Erich P, Kondratovich, Marina, McShane, Lisa M, Reeves, Anthony P, Barboriak, Daniel P, Guimaraes, Alexander R, Wahl, Richard L

“… Technical performance is an assessment of how a test performs in reference objects or subjects under controlled conditions…”
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Sample size estimation: Current practice and considerations for original investigations in MRI technical development studies by Hanspach, Jannis, Nagel, Armin M., Hensel, Bernhard, Uder, Michael, Koros, Leon, Laun, Frederik B.

“…Purpose To investigate and to provide guidance for sample size selection based on the current practice in MR technical development studies in which healthy…”
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Single-Subject Deep-Learning Image Reconstruction With a Neural Optimization Transfer Algorithm for PET-Enabled Dual-Energy CT Imaging by Li, Siqi, Zhu, Yansong, Spencer, Benjamin A., Wang, Guobao

“…Combining dual-energy computed tomography (DECT) with positron emission tomography (PET) offers many potential clinical applications but typically requires…”
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Ultra-high-frequency radio-frequency acoustic molecular imaging with saline nanodroplets in living subjects by Chen, Yun-Sheng, Zhao, Yang, Beinat, Corinne, Zlitni, Aimen, Hsu, En-Chi, Chen, Dong-Hua, Achterberg, Friso, Wang, Hanwei, Stoyanova, Tanya, Dionne, Jennifer, Gambhir, Sanjiv Sam

“…Molecular imaging is a crucial technique in clinical diagnostics but it relies on radioactive tracers or strong magnetic fields that are unsuitable for many…”
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Europium-engineered iron oxide nanocubes with high T1 and T2 contrast abilities for MRI in living subjects by Yang, Lijiao, Zhou, Zijian, Liu, Hanyu, Wu, Changqiang, Zhang, Hui, Huang, Guoming, Ai, Hua, Gao, Jinhao

“… We report a facile synthesis of europium-engineered iron oxide (EuIO) nanocubes as T1 and T2 contrast agents for MRI in living subjects. The Eu(iii…”
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A deep learning approach for fast muscle water T2 mapping with subject specific fat T2 calibration from multi-spin-echo acquisitions by Barbieri, Marco, Hooijmans, Melissa T., Moulin, Kevin, Cork, Tyler E., Ennis, Daniel B., Gold, Garry E., Kogan, Feliks, Mazzoli, Valentina

“…This work presents a deep learning approach for rapid and accurate muscle water T 2 with subject-specific fat T 2 calibration using multi-spin-echo acquisitions…”
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Continuum Robot With Follow-the-Leader Motion for Endoscopic Third Ventriculostomy and Tumor Biopsy by Gao, Yuanqian, Takagi, Kiyoshi, Kato, Takahisa, Shono, Naoyuki, Hata, Nobuhiko

“… We also used hydrocephalus ventricular model created from human subject data to generate five ETV/ETB trajectories and conducted a study assessing…”
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Evaluation of Precision in Optoacoustic Tomography for Preclinical Imaging in Living Subjects by Joseph, James, Tomaszewski, Michal R, Quiros-Gonzalez, Isabel, Weber, Judith, Brunker, Joanna, Bohndiek, Sarah E

“…Optoacoustic tomography (OT) is now widely used in preclinical imaging; however, the precision (repeatability and reproducibility) of OT has yet to be…”
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Personalized local SAR prediction for parallel transmit neuroimaging at 7T from a single T1‐weighted dataset by Brink, Wyger M., Yousefi, Sahar, Bhatnagar, Prernna, Remis, Rob F., Staring, Marius, Webb, Andrew G.

“… In this work, we present a method to generate a subject‐specific body model from a single T1…”
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MR Fingerprinting for Rapid Quantitative Abdominal Imaging by Chen, Yong, Jiang, Yun, Pahwa, Shivani, Ma, Dan, Lu, Lan, Twieg, Michael D, Wright, Katherine L, Seiberlich, Nicole, Griswold, Mark A, Gulani, Vikas

“… This HIPAA-compliant study had institutional review board approval, and informed consent was obtained from all subjects…”
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