Zobrazeno 1 - 10
of 282
pro vyhledávání: '"Ali S. Meigooni"'
Publikováno v:
Journal of Contemporary Brachytherapy, Vol 8, Iss 1, Pp 74-81 (2016)
Purpose: Low energy sources are routinely used in prostate brachytherapy. 125 I is one of the most commonly used sources. Low energy 131 Cs source was introduced recently as a brachytherapy source. The aim of this study is to compare dose distributio
Externí odkaz:
https://doaj.org/article/25f64042e4df4f9face5d10d95271243
Autor:
John M. Lacy, William A. Wilson, Raevti Bole, Li Chen, Ali S. Meigooni, Randall G. Rowland, William H. St. Clair
Publikováno v:
Prostate Cancer, Vol 2016 (2016)
Purpose. In this study, we evaluated our experience with salvage brachytherapy after discovery of biochemical recurrence after a prior brachytherapy procedure. Methods and Materials. From 2001 through 2012 twenty-one patients treated by brachytherapy
Externí odkaz:
https://doaj.org/article/4117ca72c4aa4cd19eec3685f1770f63
Autor:
Somayeh Gholami, Hassan Ali Nedaie, Francesco Longo, Mohammad Reza Ay, Sharifeh A Dini, Ali S Meigooni
Publikováno v:
Journal of Medical Physics, Vol 42, Iss 4, Pp 213-221 (2017)
Purpose: The clinical efficacy of Grid therapy has been examined by several investigators. In this project, the hole diameter and hole spacing in Grid blocks were examined to determine the optimum parameters that give a therapeutic advantage. Methods
Externí odkaz:
https://doaj.org/article/653a10537e4f412db0678197f91593eb
Autor:
Reza Ghalehtaki, Ali Kazemian, Ali S. Meigooni, S. Tajiki, Peiman Haddad, Mahbod Esfahani, Somayeh Gholami, Ali Rastjoo, F. Pakniyat
Publikováno v:
Internatuinal Journal of Radiation Research. 19:239-242
Publikováno v:
Radiation Measurements. 121:69-76
Objectives Grid therapy is a radiation therapy technique for the treatment of bulky tumours. The high dose gradients and non-uniformity of dose distributions within the target lead to a challenge in the dosimetry of the Grid radiation fields. The aim
Autor:
Ramin Jaberi, Ali S. Meigooni, Leila Janani, Zahra Siavashpour, Reza Mohammadi, Reza Reiazi, Seied Rabi Mahdavi
Publikováno v:
Journal of Contemporary Brachytherapy, Vol 11, Iss 5, Pp 469-478 (2019)
Journal of Contemporary Brachytherapy
Journal of Contemporary Brachytherapy
Purpose This study was designed to assess the dose accumulation (DA) of bladder and rectum between brachytherapy fractions using hybrid-based deformable image registration (DIR) and compare it with the simple summation (SS) approach of GEC-ESTRO in c
Autor:
Sara Shahzadeh, Hassan Ali Nedaie, Somayeh Gholami, Francesco Longo, Ali S. Meigooni, Ryan Sharp
Publikováno v:
Rep Pract Oncol Radiother
Purpose To study normal lung tissue (NLT) complications in magnetic resonance (MR) image based linac and conventional radiotherapy (RT) techniques. Materials and Methods The Geant4 toolkit was used to simulate a 6 MV photon beam. A homogenous magneti
Autor:
Larry A. DeWerd, Wayne M. Butler, Geoffrey S. Ibbott, Facundo Ballester, Mark J. Rivard, Christopher S. Melhus, Ali S. Meigooni, Michael G. Mitch, Ravinder Nath, Panagiotis Papagiannis
Publikováno v:
Medical Physics. 45:971-974
Autor:
Vahed Moharramzadeh, Reza Faghihi, Sedigheh Sina, Mohammad Hosein Sadeghi, Ali S. Meigooni, Amir Mehdizadeh
Publikováno v:
Journal of Contemporary Brachytherapy
Purpose The dosimetry procedure by simple superposition accounts only for the self-shielding of the source and does not take into account the attenuation of photons by the applicators. The purpose of this investigation is an estimation of the effects
Autor:
Ali S. Meigooni, D Han, A Soliman, Shahram Mashouf, Amir Owrangi, Habib Safigholi, William Y. Song
Publikováno v:
Medical Physics. 44:6538-6547
Purpose To evaluate plan quality of a novel MRI-compatible direction modulated brachytherapy (DMBT) tandem applicator using 192Ir, 60Co, and 169Yb HDR brachytherapy sources, for various cervical cancer high-risk clinical target volumes (CTVHR). Mater