Zobrazeno 1 - 10
of 121
pro vyhledávání: '"Seied, Rabi Mahdavi"'
Publikováno v:
Journal of Biomedical Physics and Engineering, Vol 14, Iss 4, Pp 347-356 (2024)
Background: Electronic portal imaging devices (EPIDs) are applied to measure the dose and verify patients’ position.Objective: The present study aims to evaluate the performance of EPID for measuring dosimetric parameters in small photon fields.Mat
Externí odkaz:
https://doaj.org/article/7e4f2a59db184d6b8d2bd1706d222fdf
Autor:
Pegah Saadatmand, Seied Rabi Mahdavi, Alireza Nikoofar, Seyede Zohreh Jazaeri, Fahime Lamei Ramandi, Golbarg Esmaili, Soheil Vejdani
Publikováno v:
European Journal of Medical Research, Vol 29, Iss 1, Pp 1-15 (2024)
Abstract Background Radiation induced acute skin toxicity (AST) is considered as a common side effect of breast radiation therapy. The goal of this study was to design dosiomics-based machine learning (ML) models for prediction of AST, to enable crea
Externí odkaz:
https://doaj.org/article/b3c0adfd92c849b6870e23823d01ca65
Autor:
Mahdi Sadeghi, Neda Abdalvand, Seied Rabi Mahdavi, Hamid Abdollahi, Younes Qasempour, Fatemeh Mohammadian, Mohammad Javad Tahmasebi Birgani, Khadijeh Hosseini, Maryam Hazbavi
Publikováno v:
Journal of Medical Signals and Sensors, Vol 14, Iss 8, Pp 23-23 (2024)
Background: Radiomic feature reproducibility assessment is critical in radiomics-based image biomarker discovery. This study aims to evaluate the impact of preprocessing parameters on the reproducibility of magnetic resonance image (MRI) radiomic fea
Externí odkaz:
https://doaj.org/article/2b8ea9e156264ea88d67662d97bd819f
Publikováno v:
Journal of Mazandaran University of Medical Sciences, Vol 33, Iss 222, Pp 15-30 (2023)
Background and purpose: Radiation therapy is one of the most important methods in treatment of cancer. Targeted metal nanoparticles (NPs) play an effective role in reducing ionizing radiation side effects through increasing the effect of ionizing rad
Externí odkaz:
https://doaj.org/article/8b8edaf4695e400598082d201f9273a9
Publikováno v:
Informatics in Medicine Unlocked, Vol 46, Iss , Pp 101479- (2024)
Introduction: In intensity-modulated radiation therapy (IMRT) techniques, although the dose conformity increases, the out-of-field doses would not decrease. This study aimed to assess the dose error calculated by the treatment planning system (TPS) i
Externí odkaz:
https://doaj.org/article/5f3cde29fa314446950af63a2d2a3ddd
Autor:
Azadeh Amraee, Zahra Alamzadeh, Rasoul Irajirad, Abolfazl Sarikhani, Habib Ghaznavi, Hossein Ghadiri Harvani, Seied Rabi Mahdavi, Sakine Shirvalilou, Samideh Khoei
Publikováno v:
Cancer Nanotechnology, Vol 14, Iss 1, Pp 1-20 (2023)
Abstract Background As a radiosensitizing agent in magnetic resonance imaging (MRI), gadolinium is disadvantageous in that it confers a rather high toxicity and low longitudinal comfort time (r1). We hypothesized that gadolinium when combined with go
Externí odkaz:
https://doaj.org/article/2f28a3f4581140518583099b614157ff
Autor:
Mohammad Reza Barzegartahamtan, Ali Basil, Leila Khalafi, Zahra Falahatpour, Ali Mohamad, Seied Rabi Mahdavi
Publikováno v:
Acta Medica Iranica, Vol 61, Iss 7 (2023)
Chordoma is a bone tumor that is resistant to radiotherapy, and few studies have been published on the concomitant use of radiotherapy in combination with hyperthermia in its treatment. We reported a chordoma patient treated with both radiotherapy an
Externí odkaz:
https://doaj.org/article/354e706676b94c0b9e7e86f0b2759fdf
Autor:
Sakineh Bagherzadeh, Daryoush Shahbazi-Gahrouei, Farhad Torabinezhad, Seied Rabi Mahdavi, Pedram Fadavi, Soraya Salmanian
Publikováno v:
Journal of Medical Signals and Sensors, Vol 13, Iss 1, Pp 40-48 (2023)
Background: Laryngeal damages after chemoradiation therapy (RT) in nonlaryngeal head-and-neck cancers (HNCs) can cause voice disorders and finally reduce the patient's quality of life (QOL). The aim of this study was to evaluate voice and predict lar
Externí odkaz:
https://doaj.org/article/b633dd04ccc44e28bcdcf88c9ed6f1c2
Autor:
Zahra Bagherpour, Milad Enferadi, Reza Reiazi, Mahdie Jajroudi, Nahid Nafissi, Seied Rabi Mahdavi
Publikováno v:
Iranian Journal of Medical Physics, Vol 19, Iss 6, Pp 322-328 (2022)
Introduction: In this study, Radiomic features analysis of CT scan images of the irradiated breast compared to the contralateral breast after a 12 Gy boost radiation dose in IOERT was conducted to obtain radiation-sensitive indicators (parameters) bi
Externí odkaz:
https://doaj.org/article/d6e4db907e6d4ee0abf91ee72af96e5c
Publikováno v:
Journal of Medical Signals and Sensors, Vol 12, Iss 4, Pp 269-277 (2022)
Background: This study evaluated the performances of neural networks in terms of denoizing metal artifacts in computed tomography (CT) images to improve diagnosis based on the CT images of patients. Methods: First, head-and-neck phantoms were simulat
Externí odkaz:
https://doaj.org/article/ea0248b6ec144ef58b4386d5ba1ea803