Pet mr imaging
<p>A Radio-Nano-Platform for T1/T2 Dual-Mode PET-MR Imaging</p>
... the imaging window and reduces the signal- to-background ...cancer imaging. 2) Dual T1/T2 Feraheme imaging can offer a unique platform to minimize false diagnoses in conventional T2 MR ...
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An experimental phantom study of the effect of gadolinium-based MR contrast agents on PET attenuation coefficients and PET quantification in PET-MR imaging: application to cardiac studies
... the PET scanner when all of the radiotracer is placed in the field of view of the scanner, we utilized a PET activity of [18 F]-NaF of 40 ...on PET-CT systems, for example, the effect on myocardial ...
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MLAA-based attenuation correction of flexible hardware components in hybrid PET/MR imaging
... improve PET quantification in hybrid PET/MR imaging, we propose a method to estimate the attenuation of flexible hardware components employing the maximum- likelihood reconstruction of ...
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An Investigation of the Required MR Bone Attenuation Correction for Quantitative Whole Body PET/MR Imaging Using Clinical NaF PET/CT Studies
... in PET/MR imaging and si- mulated using computed ...in MR images in order to perform acceptable attenuation correction of PET data by using CT-simulated attenuation ...bone ...
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CMKLR1-targeting peptide tracers for PET/MR imaging of breast cancer
... imaging. Although known for its role in inflammation and metabolic regulation for many years, CMKLR1 and its chemokine-like ligand chemerin were only recently recognized as modulators of tumor proliferation and ...
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Hybrid FDG-PET/MR imaging of chronic osteomyelitis: a prospective case series
... an imaging modality is not only dependent on the diagnostic power of the ...of PET/MRI against the financial benefits of possibly faster appropri- ate treatment, reduced morbidity, and reduced downstream ...
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NEMA image quality phantom measurements and attenuation correction in integrated PET/MR hybrid imaging
... medical imaging the performance of imaging modalities needs to be tested and evaluated on a regular basis in order to ensure correct functionality and optimal image ...For PET scanners in particular, ...
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Assessment of three techniques for delivering stem cells to the heart using PET and MR imaging
... As expected, the tail vein injection resulted in a ma- jority of the stem cells trapped in the lungs (49% ± 6%) with negligible number of cells in the heart. This is simply due to the smaller diameter of the pulmonary ...
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Qualitative and Quantitative Performance of 18F FDG PET/MRI versus 18F FDG PET/CT in Patients with Head and Neck Cancer
... time-of-flight PET and a 3T MR imaging system (Ingenuity TF PET/MR; Philips ...Healthcare). PET/MR images were acquired in 9 –11 bed positions, with 120 –150 seconds per ...
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Effects of ferumoxytol on quantitative PET measurements in simultaneous PET/MR whole-body imaging: a pilot study in a baboon model
... Simultaneous PET/MR imaging depends on MR-derived attenuation maps (mu-maps) for accurate attenuation correction of PET ...gradient-echo-based MR sequences, which are sensitive ...
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In Vitro and In Vivo Evaluation of 89Zr-DS-8273a as a Theranostic for Anti-Death Receptor 5 Therapy
... molecular imaging of DR5 expression in vivo in mouse tumor models using SPECT/CT and PET/MRI, as a tool for drug development and trial ...and PET/MR imaging. A dose-escalation study ...
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Accurate hybrid template–based and MR-based attenuation correction using UTE images for simultaneous PET/MR brain imaging applications
... research imaging. Metabolic information obtained from PET scans, combined with the excellent anatomical and functional contrast derived from MRI ex- aminations, provides new possibilities in medical ...
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Normal Fetal Lumbar Spine on Postmortem MR Imaging
... axial imaging of the spine was not avail- able in all fetuses, and therefore in some cases the assessment of the level of the conus was based solely on coronal ...
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PET performance evaluation of a pre-clinical SiPM-Based MR-Compatible PET Scanner
... [17] J. E. Mackewn, C. W. Lerche, K. Sunassee, R. T. M. de Rosales, A. Phinikaridou, A. Salomon, R. Ayres, C. Tsoumpas, G. M. Soultanidis, P. K. Marsden, and V. Schulz, “PET performance evaluation of a pre- ...
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18F-FDG and 68Ga-somatostatin analogs PET/CT in patients with Merkel cell carcinoma: a comparison study
... F-FDG PET/CT may be preferred to CT [17]. Moreover, 18 F-FDG PET/CT is suggested as a routine imaging study during follow-up, as clinically indicated [16, ...for PET imaging in MCC have ...
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The Road Ahead to Cure Alzheimer's Disease: Development of Biological Markers and Neuroimaging Methods for Prevention Trials Across all Stages and Target Populations
... diffusion-tensor imaging (DTI) and advanced tractography as well as resting-state functional MRI provide useful additionally useful measures indicating the degree of fiber tract and neural network disintegration ...
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Brain Metabolic Abnormalities Associated with Developmental Venous Anomalies
... underwent PET imaging as part of the inclusion criteria, there was a potential selection bias for patients with clinical symp- toms that prompted the ...the PET findings in this study were ...
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In Vivo Assessment of the Impact of Regional Intracranial Atherosclerotic Lesions on Brain Arterial 3D Hemodynamics
... flow MR imaging technique is also limited by insufficient spatial resolution for the characterization of blood flow at sites of critical or severe ...
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Multivoxel proton MR spectroscopy and hemodynamic MR imaging of childhood brain tumors: preliminary observations
... tumors, in which the normalized Cho level ap- pears to be decreased (Fig 2, Table 2) (23). In addition, patients with histologically confirmed high-grade tumors (patients 2 through 4, 9, and 14; Table 1) had a large ...
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Respiratory motion correction of PET using MR-constrained PET-PET registration
... simultaneous PET-MR scanning ses- sion. After this, the MR scanner would be free for clinical ...both MR and PET data when estimating motion fields for PET motion ...an ...
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