Results 21 to 30 of about 40,966,695 (254)

Dose–Volume Constraints fOr oRganS At risk In Radiotherapy (CORSAIR): An “All-in-One” Multicenter–Multidisciplinary Practical Summary

Current Oncology, 2022
Background: The safe use of radiotherapy (RT) requires compliance with dose/volume constraints (DVCs) for organs at risk (OaRs). However, the available recommendations are sometimes conflicting and scattered across a number of different documents ...
Silvia Bisello, Savino Cilla, Anna Benini, Raffaele Cardano, Nam P. Nguyen, Francesco Deodato, Gabriella Macchia, Milly Buwenge, Silvia Cammelli, Tigeneh Wondemagegnehu, A. F. M. Kamal Uddin, Stefania Rizzo, Alberto Bazzocchi, Lidia Strigari, Alessio G. Morganti   +14 more
doaj   +1 more source

Risk and risk management in organic agriculture: Views of organic farmers

Renewable Agriculture and Food Systems, 2004
In a series of focus groups during 2001 and 2002, organic farmers from different regions of the United States identified a wide range of risks to their operations. The focus groups were facilitated by the University of Maryland in cooperation with a research team from USDA's Economic Research Service, to explore the risks faced by organic farmers, how ...
Hanson, James C., Dismukes, Robert, Chambers, William, Greene, Catherine R., Kremen, Amy   +4 more
openaire   +2 more sources

Fast stereotactic radiosurgery planning using patient-specific beam angle optimization and automation

Physics and Imaging in Radiation Oncology, 2022
Background and purpose: Linac-based stereotactic radiosurgery (SRS) planning for multi-metastatic cases is a complex and intensive process. A manual planning strategy starts with a template-based set of beam angles and applies modifications though a ...
Thomas D. Mann, Kundan S. Thind, Nicolas P. Ploquin   +2 more
doaj   +1 more source

The Dosimetric Performance of Volumetric Modulated Arc Therapy and Intensity Modulated Radiation Therapy in the Treatment of Locally Advanced Laryngeal Cancer [PDF]

Middle East Journal of Cancer
Background: This study aims to compare the performance of intensity modulated radiation therapy (IMRT) and volumetric modulated arc therapy (VMAT) in treating laryngeal cancer.Method: In this retrospective dosimetric study, 15 patients diagnosed with ...
Firas Khater, Ehab Attalla, Wael Elshemey, Haitham Mohammed   +3 more
doaj   +1 more source

High-dose re-irradiation of intracranial lesions – Efficacy and safety including dosimetric analysis based on accumulated EQD2Gy dose EQD calculation

Clinical and Translational Radiation Oncology, 2021
Introduction: The use of cranial re-irradiation is growing with improving overall survival and the advent of high-precision radiotherapy techniques. Still the value of re-irradiation needs careful evaluation regarding safety and efficacy.
I. Stiefel, C. Schröder, S. Tanadini-Lang, I. Pytko, E. Vu, R.J. Klement, M. Guckenberger, N. Andratschke   +7 more
doaj   +1 more source

Dosimetric Results for Adjuvant Proton Radiation Therapy of HPV-Associated Oropharynx Cancer [PDF]

International Journal of Particle Therapy, 2021
Purpose: One significant advantage of proton therapy is its ability to improve normal tissue sparing and toxicity mitigation, which is relevant in the treatment of oropharyngeal squamous cell carcinoma (OPSCC).
Christopher M. Wright, MD, Jonathan Baron, Daniel Y. Lee, Michele Kim, PhD, Andrew R. Barsky, MD, Boon-Keng Kevin Teo, PhD, John N. Lukens, MD, Samuel Swisher-McClure, MD, MSHP, Alexander Lin, MD   +8 more
doaj   +1 more source

Review of Deep Learning Based Automatic Segmentation for Lung Cancer Radiotherapy

Frontiers in Oncology, 2021
Lung cancer is the leading cause of cancer-related mortality for males and females. Radiation therapy (RT) is one of the primary treatment modalities for lung cancer.
Xi Liu, Kai-Wen Li, Kai-Wen Li, Ruijie Yang, Li-Sheng Geng, Li-Sheng Geng, Li-Sheng Geng, Li-Sheng Geng   +7 more
doaj   +1 more source

Geometric and dosimetric evaluation of deep learning-based organs at risk auto-segmentation for rectal cancer

Fushe yanjiu yu fushe gongyi xuebao, 2022
To evaluate the clinical applicability of deep learning based auto-segmentation of organs at risk (OARs) based on geometric and dosimetric indices. In this study, a total of 35 patients with rectal cancer who received radiotherapy in the Fudan University
GUO Hongbo, WANG Jiazhou, YANG Cui, XIA Xiang, HU Weigang   +4 more
doaj   +1 more source

Comparison of Organs at Risk Dose in Conventional (2-Dimensional) and Conformal (3-Dimensional) Radiotherapy of Seminoma

مجله دانشکده پزشکی اصفهان, 2018
مقدمه: هدف از انجام این مطالعه، پیش‌بینی و مقایسه‌ی توزیع دز در اعضای حیاتی سالم در پرتودرمانی سرطان بیضه از نوع سمینومای مرحله‌ی 1 برای دز یکسان به حجم هدف در دو روش دو بعدی (2 Dimensional) مرسوم و سه ‌بعدی (3 Dimensional) تطبیقی بود.
Hamid Ghaznavi, Zainab Salehi, Hamid Emami, Parvaneh Shokrani   +3 more
doaj   +1 more source

The application of 3D-printed oral stents in intensity-modulated radiotherapy for oropharyngeal cancer and their dosimetric effect on organs at risk

European Journal of Medical Research, 2023
Background This study investigates the accuracy of 3D-printed dental stents in intensity-modulated radiotherapy (IMRT) for oropharyngeal cancer (OPC) and their dosimetric effects on normal tissues.
Jungang Ma, Zhuo Chen, Shuixia Liu, Wei Hu, Kunpu Su, Rong He, Peng Zhou, He Xiao, Jia Ju, Qianying Hou, Yinying Zhou, Bin Wang   +11 more
doaj   +1 more source