Validation of Motorized Wedge Effective Isodose Angle with a 2D Array Detector [PDF]
Iranian Journal of Medical Physics, 2020 Introduction: Elekta Versa HD linear accelerator is equipped with a universal wedge filter which is a single large physical wedge driven by motors; in other words, motorized wedge. It provides a nominal wedge isodose angle of 60° for the field size of 30×
Jaimin Gamit +7 more
doaj +1 more source
Validating Dose Uncertainty Estimates Produced by AUTODIRECT: An Automated Program to Evaluate Deformable Image Registration Accuracy. [PDF]
, 2017 Deformable image registration is a powerful tool for mapping information, such as radiation therapy dose calculations, from one computed tomography image to another. However, deformable image registration is susceptible to mapping errors.
Chen, Josephine +5 more
core +3 more sources
A treatment planning study of combined carbon ion-beam plus photon intensity-modulated radiotherapy
Physics and Imaging in Radiation Oncology, 2020 Background and purpose: Combined photon intensity-modulated radiotherapy (IMRT) and sequential dose-escalated carbon ion beam therapy (IBT) is a technically advanced treatment option for head and neck malignancies. We proposed and evaluated an integrated
Christopher Schuppert +5 more
doaj +1 more source
3D computerized model for measuring strain and displacement of the brachial plexus following placement of reverse shoulder prosthesis [PDF]
, 2008 The aim of the present study was to develop a method for three-dimensional (3D) reconstruction of the brachial plexus to study its morphology and to calculate strain and displacement in relation to changed nerve position.
Audenaert, Emmanuel +5 more
core +1 more source
Deep segmentation networks predict survival of non-small cell lung cancer [PDF]
, 2019 Non-small-cell lung cancer (NSCLC) represents approximately 80-85% of lung cancer diagnoses and is the leading cause of cancer-related death worldwide. Recent studies indicate that image-based radiomics features from positron emission tomography-computed
Allen, Bryan +16 more
core +2 more sources
Influence of respiratory motion management technique on radiation pneumonitis risk with robotic stereotactic body radiation therapy. [PDF]
, 2018 Purpose/objectivesFor lung stereotactic body radiation therapy (SBRT), real-time tumor tracking (RTT) allows for less radiation to normal lung compared to the internal target volume (ITV) method of respiratory motion management. To quantify the advantage
Bahig +32 more
core +2 more sources
Comparison of Volumetric Modulated Arc Therapy and Three-Dimensional Conformal Radiotherapy in Postoperative High-Grade Glioma: A Dosimetric Comparison [PDF]
Iranian Journal of Medical Physics, 2019 Introduction: We aimed to dosimetrically compare three-dimensional conformal radiotherapy (3D-CRT) and volumetric modulated arc therapy (VMAT) in terms of planning target volume (PTV) coverage, organ at risk (OAR) sparing, and conformity index (CI ...
Harikesh Singh +12 more
doaj +1 more source
BMC Cancer, 2020 Background Respiratory motion management with breath hold for patients with hepatobiliary cancers remain a challenge in the precise positioning for radiotherapy.
Tzu-Jie Huang +4 more
doaj +1 more source
The quality assurance of Varian enhanced dynamic wedges using Daily QA Check 2 [PDF]
Archive of Oncology, 2008 Background: Clinical implementation of enhanced dynamic wedges (EDW) requires, as any other dynamic treatment, very serious quality assurance (QA) program.
Rutonjski Laza +4 more
doaj +1 more source
, 2018 Uncertainty estimation methods are expected to improve the understanding and quality of computer-assisted methods used in medical applications (e.g., neurosurgical interventions, radiotherapy planning), where automated medical image segmentation is ...
Blatti-Moreno, Marcela +6 more
core +1 more source