Results 31 to 40 of about 23,199 (236)

A comprehensive formulation for volumetric modulated arc therapy planning [PDF]

Medical Physics, 2016
Purpose:Volumetric modulated arc therapy (VMAT) is a widely employed radiation therapy technique, showing comparable dosimetry to static beam intensity modulated radiation therapy (IMRT) with reduced monitor units and treatment time. However, the current VMAT optimization has various greedy heuristics employed for an empirical solution, which ...
Nguyen, Dan, Lyu, Qihui, Ruan, Dan, O'Connor, Daniel, Low, Daniel A, Sheng, Ke   +5 more
openaire   +4 more sources

Optimal planning strategy among various arc arrangements for prostate stereotactic body radiotherapy with volumetric modulated arc therapy technique

Radiology and Oncology, 2017
The aim of this study was to determine the optimal strategy among various arc arrangements in prostate plans of stereotactic body radiotherapy with volumetric modulated arc therapy (SBRT-VMAT).
Kang Sang Won, Chung Jin Beom, Kim Jae Sung, Kim In Ah, Eom Keun Yong, Song Changhoon, Lee Jeong Woo, Kim Jin Young, Suh Tae Suk   +8 more
doaj   +1 more source

Volumetric modulated arc therapy based total body irradiation: Workflow and clinical experience with an indexed rotational immobilization system

Physics and Imaging in Radiation Oncology, 2017
An indexed rotational immobilization system was developed for supine total body irradiation (TBI). Treatment plans had multi-isocentric volumetric modulated arc therapy (VMAT) beams to the upper body and parallel-opposed fields to the lower body, with a ...
Luo Ouyang, Michael Folkerts, You Zhang, Brian Hrycushko, Richard Lamphier, Pam Lee, Eric Chambers, Ezequiel Ramirez, Robert Reynolds, Yulong Yan, Steve B. Jiang, Robert Timmerman, Neil Desai, Ramzi Abdulrahman, Xuejun Gu   +14 more
doaj   +1 more source

Patterns of CT lung injury and toxicity after stereotactic radiotherapy delivered with helical tomotherapy in early stage medically inoperable NSCLC [PDF]

, 2015
To evaluate toxicity and patterns of radiologic lung injury on CT images after hypofractionated image-guided stereotactic body radiotherapy (SBRT) delivered with helical tomotherapy (HT) in medically early stage inoperable non-small-cell lung cancer ...
Agolli, Linda, Arcangeli, S, Bracci, S, Dognini, Jessica, Donato, Vittorio, Lopergolo, M. G, Migliorino, M. R, Monaco, Alessia, Portalone, L, Pressello, M. C   +9 more
core   +1 more source

Automatic interactive optimization for volumetric modulated arc therapy planning [PDF]

Radiation Oncology, 2015
Intensity modulated radiotherapy treatment planning for sites with many different organs-at-risk (OAR) is complex and labor-intensive, making it hard to obtain consistent plan quality. With the aim of addressing this, we developed a program (automatic interactive optimizer, AIO) designed to automate the manual interactive process for the Eclipse ...
Tol, J.P., Dahele, M.R., Peltola, J., Nord, J., Slotman, B.J., Verbakel, W.F.A.R.   +5 more
openaire   +4 more sources

Early clinical experience of radiotherapy of prostate cancer with volumetric modulated arc therapy [PDF]

, 2010
Background To report about initial clinical experience in radiation treatment of carcinoma of prostate with volumetric modulated arcs with the RapidArc (RA) technology.
Gianfranco A Pesce, Alessandro Clivio, Luca Cozzi, Giorgia Nicolini, Antonella Richetti, Emanuela Salati, Mariacarla Valli, Eugenio Vanetti, Antonella Fogliata   +8 more
core   +2 more sources

Volumetric modulated arc therapy planning for distal oesophageal malignancies [PDF]

The British Journal of Radiology, 2012
Volumetric modulated arc therapy (VMAT) is a novel form of intensity-modulated radiation therapy that allows the radiation dose to be delivered in a single gantry rotation using conformal or modulated fields. The capability of VMAT to reduce heart and cord dose, while maintaining lung receiving 20 Gy
Hawkins, M, Bedford, J, Warrington, A, Tait, D   +3 more
openaire   +2 more sources

A dosimetric comparison of volumetric modulated arc therapy with three-dimensional conformal radiotherapy in the treatment of cervical cancer

South African Journal of Oncology, 2021
Background: External beam radiotherapy (EBRT) is essential in the management of locally advanced cervical cancer (LACC). Volumetric modulated arc therapy (VMAT) is thought to achieve higher conformity to the planned target volume (PTV) and better sparing
Visham Bhagaloo, Nazreen Bhim, Alistair Hunter, Nazia Fakie   +3 more
doaj   +1 more source

The effect of multileaf collimator leaf width on the radiosurgery planning for spine lesion treatment in terms of the modulated techniques and target complexity [PDF]

, 2014
PURPOSE: We aim to evaluate the effects of multileaf collimator (MLC) leaf width (5 mm vs. 2.5 mm) on the radiosurgery planning for the treatment of spine lesions according to the modulated techniques (intensity-modulated radiotherapy [IMRT] vs ...
Gi Lee, Seok Son, Soo-Min Chae
core   +2 more sources

Evaluation of volumetric modulated arc therapy for postmastectomy treatment [PDF]

Radiation Oncology, 2014
To examine the feasibility of volumetric modulated arc therapy (VMAT) for post mastectomy radiotherapy (PMRT).Fifteen PMRT patients previously treated at our clinic with helical tomotherapy (HT) were identified for the study. Planning target volumes (PTV) included the chest wall and regional lymph nodes.
Nichols, Geoffrey P, Fontenot, Jonas D, Gibbons, John P, Sanders, Mary   +3 more
openaire   +2 more sources