Browsing by author "Caillet, V"
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4-Dimensional Cone Beam Computed Tomography-Measured Target Motion Underrepresents Actual Motion
Steiner, E; Shieh, CC; Caillet, V; Booth, J; Hardcastle, N; Briggs, A; Jayamanne, D; Haddad, C; Eade, T; Keall, PPublished 2018-11-15PURPOSE: Four-dimensional cone beam computed tomography (4DCBCT) facilitates verification of lung tumor motion before each treatment fraction and enables accurate patient setup in lung stereotactic ablative body radiation ...Open AccessArticle -
The accuracy and precision of Kilovoltage Intrafraction Monitoring (KIM) six degree-of-freedom prostate motion measurements during patient treatments.
Kim, JH; Nguyen, DT; Booth, JT; Huang, CY; Fuangrod, T; Poulsen, P; O'Brien, R; Caillet, V; Eade, T; Kneebone, A; Keall, PPublished 2018-02-01BACKGROUND AND PURPOSE: To perform a quantitative analysis of the accuracy and precision of Kilovoltage Intrafraction Monitoring (KIM) six degree-of-freedom (6DoF) prostate motion measurements during treatments. MATERIAL ...Open AccessArticle -
An augmented correlation framework for the estimation of tumour translational and rotational motion during external beam radiotherapy treatments using intermittent monoscopic x-ray imaging and an external respiratory signal.
Nguyen, DT; Booth, JT; Caillet, V; Hardcastle, N; Briggs, A; Hadad, C; Eade, T; O'Brien, R; Keall, PPublished 2018-10-01Increasing evidence shows that intrafraction tumour motion monitoring must include both six degrees of freedom (6DoF): 3D translations and 3D rotations. Existing real-time algorithms for 6DoF target motion estimation require ...Open AccessArticle -
Both four-dimensional computed tomography and four-dimensional cone beam computed tomography under-predict lung target motion during radiotherapy.
Steiner, E; Shieh, CC; Caillet, V; Booth, J; O'Brien, R; Briggs, A; Hardcastle, N; Jayamanne, D; Szmura, K; Eade, T; Keall, PPublished 2019-06-01BACKGROUND AND PURPOSE: To test the hypothesis that 4DCT and 4DCBCT-measured target motion ranges predict target motion ranges during lung cancer SABR. MATERIALS AND METHODS: Ten lung SABR patients were implanted with ...Open AccessArticle -
A comparison of gantry-mounted x-ray-based real-time target tracking methods.
Montanaro, T; Nguyen, DT; Keall, P; Booth, J; Caillet, V; Eade, T; Hadad, C; Shieh, CCPublished 2018-03-01PURPOSE: Most modern radiotherapy machines are built with a 2D kV imaging system. Combining this imaging system with a 2D-3D inference method would allow for a ready-made option for real-time 3D tumor tracking. This work ...Open AccessArticle -
Electromagnetic-Guided MLC Tracking Radiation Therapy for Prostate Cancer Patients: Prospective Clinical Trial Results.
Keall, P; Colvill, E; O'Brien, R; Caillet, V; Eade, T; Kneebone, A; Hruby, G; Poulsen, PR; Zwan, B; Greer, PB; Booth, JPublished 2018-06-01PURPOSE: To report on the primary and secondary outcomes of a prospective clinical trial of electromagnetic-guided multileaf collimator (MLC) tracking radiation therapy for prostate cancer. METHODS AND MATERIALS: Twenty-eight ...Open AccessArticle -
The first clinical implementation of real-time image-guided adaptive radiotherapy using a standard linear accelerator.
Keall, P; Nguyen, DT; O'Brien, R; Caillet, V; Hewson, E; Poulsen, PR; Bromley, R; Bell, L; Eade, T; Kneebone, A; Martin, J; Booth, JTPublished 2018-04-01PURPOSE: Until now, real-time image guided adaptive radiation therapy (IGART) has been the domain of dedicated cancer radiotherapy systems. The purpose of this study was to clinically implement and investigate real-time ...Open AccessArticle -
The first patient treatment of electromagnetic-guided real time adaptive radiotherapy using MLC tracking for lung SABR.
Booth, JT; Caillet, V; Hardcastle, N; O'Brien, R; Szymura, K; Crasta, C; Harris, B; Haddad, C; Eade, T; Keall, PPublished 2016-10-01BACKGROUND AND PURPOSE: Real time adaptive radiotherapy that enables smaller irradiated volumes may reduce pulmonary toxicity. We report on the first patient treatment of electromagnetic-guided real time adaptive radiotherapy ...Open AccessArticle -
Geometric uncertainty analysis of MLC tracking for lung SABR.
Caillet, V; Zwan, B; Briggs, A; Hardcastle, N; Szymura, K; Prodreka, A; O'Brien, R; Harris, BE; Greer, P; Haddad, C; Jayamanne, D; Eade, T; Booth, J; Keall, PPublished 2020Purpose: The purpose of this work was to report on the geometric uncertainty for patients treated with multi-leaf collimator (MLC) tracking for lung SABR to verify the accuracy of the system. Methods: Seventeen patients ...Open AccessArticle -
IGRT and motion management during lung SBRT delivery.
Caillet, V; Booth, JT; Keall, PPublished 2017-12-01Patient motion can cause misalignment of the tumour and toxicities to the healthy lung tissue during lung stereotactic body radiation therapy (SBRT). Any deviations from the reference setup can miss the target and have ...Open AccessArticle -
Investigating multi-leaf collimator tracking in stereotactic arrhythmic radioablation (STAR) treatments for atrial fibrillation.
Lydiard, S; Caillet, V; Ipsen, S; O'Brien, R; Blanck, O; Poulsen, PR; Booth, J; Keall, PPublished 2018-09-01Stereotactic arrhythmia radioablation (STAR) is an emerging treatment option for atrial fibrillation (AF). However, it faces possibly the most challenging motion compensation scenario: both respiratory and cardiac motion. ...Open AccessArticle -
MLC tracking for lung SABR reduces planning target volumes and dose to organs at risk.
Caillet, V; Keall, P; Colvill, E; Hardcastle, N; O'Brien, R; Szymura, K; Booth, JTPublished 2017-07-01PURPOSE: Assess the dosimetric impact of multi-leaf collimator (MLC) tracking and mid-ventilation (midV) planning compared with the internal target volume (ITV)-based planning approach for lung Stereotactic Ablative Body ...Open AccessArticle -
Quantification of the geometric uncertainty when using implanted markers as a surrogate for lung tumor motion.
Hardcastle, N; Briggs, A; Caillet, V; Angelis, G; Chrystall, D; Jayamanne, D; Shepherd, M; Harris, B; Haddad, C; Eade, T; Keall, P; Booth, JPublished 2021Background: Fiducial markers are used as surrogates for tumor location during radiation therapy treatment. Developments in lung fiducial marker and implantation technology have provided a means to insert markers endobronchially ...Open AccessArticle -
Quantifying the accuracy and precision of a novel real-time 6 degree-of-freedom kilovoltage intrafraction monitoring (KIM) target tracking system.
Kim, JH; Nguyen, DT; Huang, CY; Fuangrod, T; Caillet, V; O'Brien, R; Poulsen, P; Booth, J; Keall, PPublished 2017-06-01Target rotation can considerably impact the delivered radiotherapy dose depending on the tumour shape. More accurate tumour pose during radiotherapy treatment can be acquired through tracking in 6 degrees-of-freedom (6 ...Open AccessArticle -
Real-Time 3D Image Guidance Using a Standard LINAC: Measured Motion, Accuracy, and Precision of the First Prospective Clinical Trial of Kilovoltage Intrafraction Monitoring-Guided Gating for Prostate Cancer Radiation Therapy.
Keall, P; Ng, JA; Juneja, P; O'Brien, RT; Huang, CY; Colvill, E; Caillet, V; Simpson, E; Poulsen, PR; Kneebone, A; Eade, T; Booth, JTPublished 2016-04-01PURPOSE: Kilovoltage intrafraction monitoring (KIM) is a new real-time 3-dimensional image guidance method. Unlike previous real-time image guidance methods, KIM uses a standard linear accelerator without any additional ...Open AccessArticle -
A six-degree-of-freedom robotic motion system for quality assurance of real-time image-guided radiotherapy.
Alnaghy, S; Kyme, A; Caillet, V; Nguyen, DT; O'Brien, R; Booth, JT; Keall, PPublished 2019-03-21In this study we develop and characterise a six degree-of-freedom (6 DoF) robotic motion system for quality assurance of real-time image-guided radiotherapy techniques. The system consists of a commercially available robotic ...Open AccessArticle -
Technical Note: In silico and experimental evaluation of two leaf-fitting algorithms for MLC tracking based on exposure error and plan complexity.
Caillet, V; O'Brien, R; Moore, D; Poulsen, P; Pommer, T; Colvill, E; Sawant, A; Booth, J; Keall, PPublished 2019-04-01PURPOSE: Multileaf collimator (MLC) tracking is being clinically pioneered to continuously compensate for thoracic and pelvic motion during radiotherapy. The purpose of this work was to characterize the performance of two ...Open AccessArticle
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