E C Frey
Overview
Explore the profile of E C Frey including associated specialties, affiliations and a list of published articles.
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Articles
22
Citations
437
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Recent Articles
1.
Hossain J, Du Y, Links J, Rahmim A, Karakatsanis N, Akhbardeh A, et al.
Phys Med Biol
. 2015 Mar;
60(8):3193-208.
PMID: 25813219
Whole-heart coronary flow reserve (CFR) may be useful as an early predictor of cardiovascular disease or heart failure. Here we propose a simple method to extract the time-activity curve, an...
2.
Anizan N, Wang H, Zhou X, Wahl R, Frey E
Phys Med Biol
. 2015 Jan;
60(3):1325-37.
PMID: 25592130
Several applications in nuclear medicine require absolute activity quantification of single photon emission computed tomography images. Obtaining a repeatable calibration factor that converts voxel values to activity units is essential...
3.
Du Y, Links J, Becker L, DiPaula A, Frank T, Schuleri K, et al.
J Nucl Cardiol
. 2013 Dec;
21(2):329-40.
PMID: 24366822
Background: Simultaneous (201)Tl/(99m)Tc-sestamibi dual-isotope myocardial perfusion SPECT imaging can reduce imaging time and produce perfectly registered rest/stress images. However, crosstalk from (99m)Tc into (201)Tl images can significantly reduce (201)Tl image...
4.
Song N, He B, Wahl R, Frey E
Phys Med Biol
. 2011 Aug;
56(17):5503-24.
PMID: 21813961
Optimizing targeted radionuclide therapy requires patient-specific estimation of organ doses. The organ doses are estimated from quantitative nuclear medicine imaging studies, many of which involve planar whole body scans. We...
5.
Wang X, Meier D, Mikkelsen S, Maehlum G, Wagenaar D, Tsui B, et al.
Phys Med Biol
. 2011 Apr;
56(9):2791-816.
PMID: 21464527
The goal of this paper was to investigate the benefits that could be realistically achieved on a microCT imaging system with an energy-resolved photon-counting x-ray detector. To this end, we...
6.
The effect of volume-of-interest misregistration on quantitative planar activity and dose estimation
Song N, He B, Frey E
Phys Med Biol
. 2010 Aug;
55(18):5483-97.
PMID: 20798459
In targeted radionuclide therapy (TRT), dose estimation is essential for treatment planning and tumor dose response studies. Dose estimates are typically based on a time series of whole-body conjugate view...
7.
Descourt P, Carlier T, Du Y, Song X, Buvat I, Frey E, et al.
Phys Med Biol
. 2010 Apr;
55(9):N253-66.
PMID: 20393239
Among Monte Carlo simulation codes in medical imaging, the GATE simulation platform is widely used today given its flexibility and accuracy, despite long run times, which in SPECT simulations are...
8.
Segars W, Mahesh M, Beck T, Frey E, Tsui B
Med Phys
. 2008 Sep;
35(8):3800-8.
PMID: 18777939
The authors develop a unique CT simulation tool based on the 4D extended cardiac-torso (XCAT) phantom, a whole-body computer model of the human anatomy and physiology based on NURBS surfaces....
9.
He B, Wahl R, Du Y, Sgouros G, Jacene H, Flinn I, et al.
IEEE Trans Med Imaging
. 2008 Apr;
27(4):521-30.
PMID: 18390348
Estimating the residence times in tumor and normal organs is an essential part of treatment planning for radioimmunotherapy (RIT). This estimation is usually done using a conjugate view whole body...
10.
Song X, Segars W, Du Y, Tsui B, Frey E
Phys Med Biol
. 2005 Apr;
50(8):1791-804.
PMID: 15815096
Interactions of incident photons with the collimator and detector, including septal penetration, scatter and x-ray fluorescence, are significant sources of image degradation in applications of SPECT including dual isotope imaging...