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Medical Physics

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August 2014: Medical Physics
Lara M Dyke
Magnetic Resonance Angiography: Principles and Applications. Carr J. C., Carroll T. J., Springer-Verlag, Heidelberg/New York, 2012. 412 pp. Price $179.00. ISBN 978-1-4419-1685-3 (hardcover).
December 2013: Medical Physics
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December 2013: Medical Physics
Bill Hendee
No abstract text is available yet for this article.
December 2013: Medical Physics
Douglas Pfeiffer
Health Physics and Radiological Health, 4th Edition. Johnson Thomas E., Birky Brian K., Lippincott Williams & Wilkins, a Walter Kluwer business, Baltimore, Maryland, 2012, $205.99. ISBN: 9781609134198, 1288 pp. (hardcover).
November 2013: Medical Physics
Bruce Thomadsen
Comprehensive Brachytherapy: Physical and Clinical Aspects. Venselaar J., Baltas D., Meigooni A., Hoskin P., Imaging in Medical Diagnosis and Therapy, William R. Hendee, Series Editor. CRC/Taylor & Francis Group, Boca Raton, FL, 2013. Hardback 535 pp. Price: $199.95. ISBN: 9781439844984.
November 2013: Medical Physics
C Bassinet, C Huet, S Derreumaux, G Brunet, M Chéa, M Baumann, T Lacornerie, S Gaudaire-Josset, F Trompier, P Roch, G Boisserie, I Clairand
No abstract text is available yet for this article.
November 2013: Medical Physics
David Djajaputra
Emerging Technologies in Medicine. Anastasio J., La Riviere P., Imaging in Medical Diagnosis and Therapy, edited by William R. Hendee CRC, Boca Raton, FL, 2013. Price: $169.95. ISBN: 978-1-4398-8041-8, 361 pp. (hardcover).
November 2013: Medical Physics
Yannick Poirier, Alexei Kouznetsov, Mauro Tambasco
No abstract text is available yet for this article.
July 2013: Medical Physics
Mahadevappa Mahesh
The Essential Physics of Medical Imaging, Third Edition., Bushberg J. T., Seibert J. A., Leidholdt E. M. Jr., Boone J. M., Lippincott Williams & Wilkins, Philadelphia, PA, USA, 2012. 1048 pp. Price: $199.99. ISBN 9780781780575 (hardcover). © 2013 Doody's Review Service. Doody's Review Service.
July 2013: Medical Physics
William D Erwin
Correction Techniques in Emission Tomography., Dawood M., Jiang X., Schäfers K., CRC Press, Taylor & Francis Group, Boca Raton, FL, 2012. 287 pp. Price: $119.95. ISBN: 9781439812983 (hardcover). © 2013 Doody's Review Service. Doody's Review Service.
July 2013: Medical Physics
Christos Hatzis
Annual Review of Biophysics Rees D. Dill K., Williamson J., Annual Reviews Palo Alto, CA, 2010. 581 pp. (hardcover), ISBN: 978-0-8243-1839-0, © 2013 Doody's Review Service. Doody's Review Service.
July 2013: Medical Physics
T C Zhu, B E Bjarngard
PURPOSE: This study examines the relationship between the magnitude of primary dose-to-collision kerma ratio (β) and the primary collision kerma gradients (dKcp/dx, dKcp/dy, dKcp/dz). METHODS: A convolution algorithm is used to calculate the primary dose for primary kerma with various external beam conditions (single open, wedge, IMRT beams, and composite beams). EGS4 Monte-Carlo simulation is used to generate primary point spread kernels in water for 6 and 15 MV Mohan Spectrum...
June 2013: Medical Physics
C Sutterley, Q Gautier, Y Graves, N Li, X Jia, S Jiang
PURPOSE: Graphics processing unit (GPU)-based treatment planning is clinically desirable given its extremely high efficiency. One technical barrier for clinical implementation is the relatively small memory of GPU cards. The goal of this study is to find the optimal parameters used in dose deposition matrix (DDM) computations via finite size pencil beam (FSPB) model for IMRT optimization that maintains plan quality while minimizing memory usage. METHODS: We used our in-house GPU-based treatment planning system, SCORE, to investigate the impact of parameters used in DDM calculations, i...
June 2013: Medical Physics
L Wang, E Mok, L Xing, L Wang
PURPOSE: During image-guided radiation therapy, gold seeds as fiducial markers are often implanted to the target to track the tumor motion. The presence of the gold seeds could perturb the dose distribution and may cause either cold or hot spots in the target. This study investigates the dosimetric effects of gold seeds by film measurements and Monte Carlo (MC) simulations. METHODS: A gold seed of 5mm long and 1mm in diameter was sandwiched between a piece of EBT2 film and a bolus material, with film under the seed, and was positioned at 10 cm depth in a 30×30×20 cm3 solid-water phantom...
June 2013: Medical Physics
D Bailey, I Wang, L Hales, A Singh, M Podgorsak
PURPOSE: To compare lung dose distributions for two common techniques of total body photon irradiation (TBI) at extended source-to-surface distance, with and without tissue density correction (TDC). Lung dose correction factors as a function of lateral thorax separation are approximated for bilateral opposed TBI (supine), similar to those published for anterior-posterior (AP-PA) techniques in AAPM Report 17. METHODS: 3D treatment plans were created retrospectively for eight patients treated with bilateral TBI, and for whom CT data had been acquired from the head to mid-thigh...
June 2013: Medical Physics
G Mora, J Li, J Fan, C Ma
PURPOSE: The use of DMH as an alternative method to validate the treatment plans of the head and neck region has been investigated in the past[1].For patient geometry contains large air cavities,high statistical uncertainties were found in dose distributions calculated using MC method in air cavities and tissues that surround air cavities.These previous studies reported that the shape of DMH is less affected by the statistical uncertainty than DVH. But the authors did not verify the differences between DIs derived from DVH and DMH...
June 2013: Medical Physics
T Song, H Chen, L Zhou
PURPOSE: To investigate the influence of different phantom voxel size setup on the accuracy and efficiency when conducting Monte Carlo simulation of Gamma knife using EGSnrc. METHODS: We simulated a 30mmκ60mmκ60mm size uniform water phantom and locate the phantom isocenter 70.6mm vertical down to the source in accord with measured condition for all different models. Dose calculation was executed within two different x direction voxel size setup schemes. One is completely according to measured intervals, which were 0...
June 2013: Medical Physics
F Girard, M Hinse
PURPOSE: The new Elekta Agility 160 leaf multi-leaf collimator was modeled for three photon energies using Philips Pinnacle treatment planning software. METHODS: The modeling data set was acquired on the Agility for three energies (6, 10 and 18 MV) based on Pinnacle requirements. In addition, a validation data set was also acquired based on the recommendation of Venselaar et al. (2001). Most model parameters were optimized using Pinnacle automodeling tools. Custom made software was used to analyse the different beam models performance...
June 2013: Medical Physics
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