Zobrazeno 1 - 10
of 165
pro vyhledávání: '"Howard Amols"'
Publikováno v:
Journal of Applied Clinical Medical Physics
Most of the treatment units, both new and old models, are equipped with a megavoltage portal imager but its use for volumetric imaging is limited. This is mainly due to the poor image quality produced by the high‐energy treatment beam (>6 MV). A li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d23dc5697a4703384c218b24ab189d2
https://doi.org/10.1120/jacmp.v17i4.6185
https://doi.org/10.1120/jacmp.v17i4.6185
Publikováno v:
Journal of Cancer Research and Therapeutics, Vol 13, Iss 2, Pp 297-303 (2017)
Aim: The aim of work is to explore a quick, efficient, and effective patient-specific intensity-modulated radiation therapy (IMRT) quality assurance (QA). Materials and Methods: Software tools were developed to extract and analyze the multi-leaf coll
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75611363d01d2f9c634ff5bda540e66f
https://pubmed.ncbi.nlm.nih.gov/28643751
https://pubmed.ncbi.nlm.nih.gov/28643751
Autor:
Ellen Yorke, Gloria C. Li, J.G. Mechalakos, D Li, Howard Amols, Åse Ballangrud, Andreas Rimner, P Cohen
Publikováno v:
Medical physics. 39(6Part7)
Purpose: To develop a new method for accurate measurement of dynamic respiratory tidal volume, we investigate the feasibility of measuring torso volume change using optical surfaceimaging (OSI). Methods: Based on a validated volume conservation theor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2497dd93d2fbe663e9a0b1609da7cfb1
https://pubmed.ncbi.nlm.nih.gov/28519779
https://pubmed.ncbi.nlm.nih.gov/28519779
Autor:
Rajesh Kumar, CP Bhatt, N.V. N. Madhusudhana Sresty, Y. S. Mayya, Howard Amols, G Chourasiya, S.D. Sharma, Shrikant Deshpande
Publikováno v:
Journal of Cancer Research and Therapeutics, Vol 10, Iss 3, Pp 611-617 (2014)
Aim of the Study: Statistical analysis of pre-treatment dose verification of intensity-modulated radiotherapy (IMRT) fields to assess the quality of the IMRT practice at different radiotherapy centers. Materials and Methods: The dose verification dat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b031d27cb23121f510d249c325195f3
http://www.cancerjournal.net/article.asp?issn=0973-1482
http://www.cancerjournal.net/article.asp?issn=0973-1482
Autor:
Yoshiya Yamada, Guang Li, H Kang, Michael Lovelock, Åse Ballangrud, James Mechalakos, Assen S. Kirov, Howard Amols, Li Cheng Kuo
Publikováno v:
Medical Physics. 38:3981-3994
PURPOSE To establish a new clinical procedure in frameless stereotactic radiosurgery (SRS) for patient setup verification at treatment couch angles as well as for head-motion monitoring during treatment using video-based optical surface imaging (OSI)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46ebe61468957dc13dda797c8ece2ef3
https://doi.org/10.1118/1.3596526
https://doi.org/10.1118/1.3596526
Publikováno v:
Journal of Applied Clinical Medical Physics
Our goal is to determine an optimized image‐guided setup by comparing setup errors determined by two‐dimensional (2D) and three‐dimensional (3D) image guidance for head and neck cancer (HNC) patients immobilized by customized thermoplastic mask
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::265155d004c206ed181873f72d4e9d77
http://europepmc.org/articles/PMC5718593
http://europepmc.org/articles/PMC5718593
Publikováno v:
Journal of Applied Clinical Medical Physics
Respiration-induced tumor motion during intensity-modulated radiotherapy (IMRT) of non-small-cell lung cancer (NSCLC) could cause substantial differences between planned and delivered doses. While it has been shown that, for conventionally fractionat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1640d739e07862ce7597de5fa7d2b049
http://europepmc.org/articles/PMC5720431
http://europepmc.org/articles/PMC5720431
Autor:
D. Michael Lovelock, Gig S. Mageras, S Kriminski, Howard Amols, J Santoro, Hassan Mostafavi, Kenneth E. Rosenzweig
Publikováno v:
Medical Physics. 37:1237-1245
Digital tomosynthesis (DTS) with a linear accelerator-mounted imaging system provides a means of reconstructing tomographic images from radiographic projections over a limited gantry arc, thus requiring only a few seconds to acquire. Its application
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c4ee14d58238b75326ff8686d035d66
https://doi.org/10.1118/1.3312276
https://doi.org/10.1118/1.3312276
Publikováno v:
Journal of Applied Clinical Medical Physics
A novel IMRT phantom was designed and fabricated using Acrylonitrile Butadiene Styrene (ABS) plastic. Physical properties of ABS plastic related to radiation interaction and dosimetry were compared with commonly available phantom materials for dose m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4cd0ebd410f5d39e560d7787a5c87fc7
http://europepmc.org/articles/PMC5719786
http://europepmc.org/articles/PMC5719786
Autor:
H.M. Chan, Margie Hunt, Michael J. Zelefsky, Zvi Fuks, Oren Cahlon, Alison M. Shippy, Yoshiya Yamada, Howard Amols, Steven Greenstein
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 71:330-337
To report toxicity and preliminary biochemical outcomes with high-dose intensity-modulated radiation therapy (IMRT) to a dose of 86.4 Gy for localized prostate cancer.Between August 1997 and March 2004, 478 patients were treated with 86.4 Gy using a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f1d8e82b10eb580a175b3e410b7ef94
https://doi.org/10.1016/j.ijrobp.2007.10.004
https://doi.org/10.1016/j.ijrobp.2007.10.004