Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Payman Hejazi"'
Publikováno v:
Journal of Biomedical Physics and Engineering, Vol 14, Iss 5, Pp 457-468 (2024)
Background: In radiology, optimizing radiation protection is crucial, and field collimation plays a critical role in minimizing patient dose. As technology has evolved, electronic collimation has become the preferred method due to its effectiveness i
Externí odkaz:
https://doaj.org/article/d34c42ee810e4fe896d524682c8589b0
Autor:
Khadijeh Bamneshin, Seied Rabi Mahdavi, Ahmad Bitarafan-Rajabi, Parham Geramifar, Payman Hejazi, Majid Jadidi
Publikováno v:
Journal of Biomedical Physics and Engineering, Vol 12, Iss 5, Pp 497-504 (2022)
Background: Respiratory movement and the motion range of the diaphragm can affect the quality and quantity of prostate images.Objective: This study aimed to investigate the magnitude of respiratory-induced errors to determine Dominant Intra- prostati
Externí odkaz:
https://doaj.org/article/f6d570ec9b654c73a99fc140028abb80
Autor:
Khadijeh Bamneshin, Seied Rabi Mahdavi, Ahmad Bitarafan-Rajabi, Parham Geramifar, Payman Hejazi, Fereshteh Koosha, Majid Jadidi
Publikováno v:
Journal of Biomedical Physics and Engineering, Vol 12, Iss 4, Pp 369-376 (2022)
Background: Patients diagnosed with dominant intraprostatic lesions (DIL) may need radiation doses over than 80 Gy. Dose-painting by contours (DPC) is a useful technique which helps the patients. Dose-painting approach need to be evaluated. Objective
Externí odkaz:
https://doaj.org/article/e7c7154df92d43ec97ee44793c6ca804
Autor:
Rohollah Ghahraman Asl, Majid Foroutan, Hadi Taleshi Ahangari, Payman Hejazi, Rezvan Sabbaghi
Publikováno v:
Indian Journal of Nuclear Medicine : IJNM : The Official Journal of the Society of Nuclear Medicine, India
Introduction: This study aimed to predict the dose absorbed by normal organs with neuroendocrine tumors for 131I using single photon emission computed tomography/computed tomography (SPECT/CT) images and Geant4 application for tomographic emission (G
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd61e8d7de4333107bbfbaa8b4e110c4
http://europepmc.org/articles/PMC8481846
http://europepmc.org/articles/PMC8481846
Autor:
Naser, Jafarzadeh, Payman, Hejazi, Mohammad Ali, Tajik Mansoury, Reza, Khodabakhshi, Zafar, Riazi, Somayeh, Gholami
Publikováno v:
Applied Radiation and Isotopes. 187:110332
Magnetic resonance imaging (MRI) during brachytherapy may alter the dose distribution of radioactive sources implanted in the tumor. This study investigates the impact of a magnetic field of 1.5 T, 3 T, and 7 T strengths on the dose distribution of h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9cefc40a795376ce9b530a06e5d3bbdb
https://doi.org/10.1016/j.apradiso.2022.110332
https://doi.org/10.1016/j.apradiso.2022.110332
Autor:
Athar Ehtiati, Majid Jadidi, Ali Jabbary Arfaee, Raheb Ghorbani, Mohsen Bakhshandeh, Eftekhar Rajab Bolookat, Payman Hejazi
Publikováno v:
International Journal of Cancer Management. 14
Background: Despite the benefits of contrast-enhanced computed tomography (CT) scans in better tumor volume delineation, it can affect the accuracy of dose calculation in radiation therapy. This study examined this effect on a thorax phantom. Objecti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70b2de3989db60a15cbda58dab9c67d6
https://doi.org/10.5812/ijcm.84158
https://doi.org/10.5812/ijcm.84158
Autor:
Khadijeh, Bamneshin, Seied, Rabi Mahdavi, Ahmad, Bitarafan-Rajabi, Parham, Geramifar, Payman, Hejazi, Fereshteh, Koosha, Majid, Jadidi
Publikováno v:
Journal of biomedical physicsengineering. 12(4)
Patients diagnosed with dominant intraprostatic lesions (DIL) may need radiation doses over than 80 Gy. Dose-painting by contours (DPC) is a useful technique which helps the patients. Dose-painting approach need to be evaluated.To evaluate the DCP te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::81d98c8be2b8c9f702171357c7020ccf
https://pubmed.ncbi.nlm.nih.gov/36059285
https://pubmed.ncbi.nlm.nih.gov/36059285
Autor:
Khadijeh, Bamneshin, Seied, Rabi Mahdavi, Ahmad, Bitarafan-Rajabi, Parham, Geramifar, Payman, Hejazi, Majid, Jadidi
Publikováno v:
Journal of biomedical physicsengineering. 12(5)
Respiratory movement and the motion range of the diaphragm can affect the quality and quantity of prostate images.This study aimed to investigate the magnitude of respiratory-induced errors to determine Dominant Intra- prostatic Lesions (DILs) in pos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::201399da863b6ea0417651dc9d0aaef7
https://pubmed.ncbi.nlm.nih.gov/36313408
https://pubmed.ncbi.nlm.nih.gov/36313408
Publikováno v:
International Journal of Cancer Management.
Background: Breast cancer is the most prevalent cancer in women all over the world. The most common and effective treatment for the early stage of breast cancer patients is breast conserving surgery (BCS) followed by radiotherapy. Objectives: The aim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7fcb4b4c0ed354a4912fea671f6dc95
https://doi.org/10.5812/ijcm.84123
https://doi.org/10.5812/ijcm.84123