Zobrazeno 1 - 10
of 160
pro vyhledávání: '"Bruce H. Hasegawa"'
Autor:
Bruce H. Hasegawa, Alex Frenkel
Publikováno v:
Hybrid SPECT/CT Imaging in Clinical Practice ISBN: 9780429163326
The field of diagnostic radiology encompasses a wealth of imaging techniques that now are essential for evaluating and managing patients who need medical care. Imaging methods such as plain film radiography, X-ray computed tomography (CT), and magn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a15ca8f88502bd595c2f76f9d42796e
https://doi.org/10.3109/9781420016468-4
https://doi.org/10.3109/9781420016468-4
Autor:
Carole Schreck, Mohiuddin Hadi, Stephen L. Bacharach, Bruce H. Hasegawa, Youngho Seo, Boon-Keng Kevin Teo
Publikováno v:
Medical Physics. 35:3086-3089
Accuracy in quantification of activity concentrations (e.g., in Bq/ml) is essential for compartment modeling and kinetic analysis of dynamic reconstructed PET images. Dynamic PET data can be acquired in list-mode, and often are preferred over frame m
Publikováno v:
Physics in Medicine and Biology. 53:N99-N107
Computed tomography (CT) remains a critical diagnostic tool for evaluating patients with cerebrovascular disease, and the advent of specialized systems for imaging rodents has extended these techniques to small animal models of these diseases. We the
Publikováno v:
Physics in Medicine and Biology. 52:3057-3074
Avalanche photodiodes (APDs), and in particular position-sensitive avalanche photodiodes (PSAPDs), are an attractive alternative to photomultiplier tubes (PMTs) for reading out scintillators for PET and SPECT. These solid-state devices offer high gai
Publikováno v:
Medical Physics. 34:1217-1220
We evaluated methods of imaging rat models of stroke in vivo using a single photon emission computed tomography (SPECT) system dedicated to small animal imaging (X-SPECT, Gamma Medica-Ideas, Northridge, CA). An animal model of ischemic stroke was dev
Autor:
Philippe Després, Bruce H. Hasegawa, William C. Barber, Tobias Funk, Kanai S. Shah, M. McClish
Publikováno v:
IEEE Transactions on Nuclear Science. 54:23-29
Position-sensitive avalanche photodiodes (PSAPDs) are a promising alternative to photomultiplier tubes for the development of a new generation of gamma imagers. They offer compactness, high gain and superior quantum efficiency. PSAPDs having a sensit
Autor:
D.L. Kirch, Tobias Funk, Sven Prevrhal, J.E. Koss, Bruce H. Hasegawa, Mingshan Sun, E.W. Izaguirre
Publikováno v:
IEEE Transactions on Nuclear Science. 53:2729-2735
Modeling and assessment of point spread functions (PSFs) of pinhole collimators is essential for the design of small animal single photon emission computed tomography (SPECT) imaging systems, and are gaining increasing importance with the advent of m
Autor:
William C. Barber, Tobias Funk, M. McClish, Kanai S. Shah, Philippe Després, Bruce H. Hasegawa
Publikováno v:
IEEE Transactions on Nuclear Science. 53:1643-1649
Position-sensitive avalanche photodiodes (PSAPDs) have recently been proposed as optical light detectors in scintillation based gamma cameras. They are compact solid-state devices that provide high quantum efficiency and gain, and they can achieve pr
Publikováno v:
IEEE Transactions on Nuclear Science. 53:1213-1220
Iodine-125 is an inexpensive and widely available radioisotope that is used frequently in biological experiments. It is also possible to perform small animal imaging experiments with this isotope, although its low photon energy (27.5 keV) may lead to
Publikováno v:
Medical Physics. 32:3628-3635
Nuclear medicine tracers using 111In as a radiolabel are increasing in their use, especially in the domain of oncologic imaging. In these applications, it often is critical to have the capability of quantifying radionuclide uptake and being able to r