Tuesday
29th June 2004
8:00 - Registration and breakfast
9:00 - Refresher Courses
1. The Physics and Technology of Portal Imaging, Peter Munro and Mike
Kirby
2. Quality Assurance of Electronic Portal Imaging Devices, Kurt
Luchka and Rasika Rajapakshe
10:00 - Welcome
10:15 - Opening Session, Invited Presentations
Moderators: Karsten Eilertsen and Mike Partridge
10:15. Portal imaging: basics and developments, from a doctors and therapists
view, Emile van Lin
10:40 Cancer Research UK Lecture - Radio-opaque Markers, the Clinician's
View, Brian J. Davis
11:05 - Coffee/exhibition/posters
Sponsored by Varian Medical Systems
11:35 - Session 1: Dosimetric Properties
Moderators: James Balter and Peter Munro
11:35. Investigation of the Dosimetric Properties of an a-Si flat panel
EPID, Andrew Fielding
11:50. The Varian aS500 EPID as a dosemeter: preliminary investigations,
Mary Chin
12:05. A comparison of ghosting effects for two commercial a-Si EPIDs,
Leah McDermott
12:20. Modelling of an ASi EPID using Forward and Inverse Monte Carlo Techniques
and its Applications in Patient Dosimetry, Geneviere Jarry
12:35 - Lunch/exhibition/posters
13:50 - Invited Presentation
Moderators: Steve Morgan and Shlomo Shalev
Performance Evaluation of Electronic Portal Imaging, Richard Clements
14:15 - Session 2: Motion and Margins
Moderators: Helen McNair and Emile van Lin
14:15. Using portal imaging to study changes in patient dose delivery due
to changes in patient anatomy during radiotherapy, Leah McDermott
14:30. EPID-based Methodology to Evaluate CTV-to-PTV Margins, Joann Prisciandaro
14:45. Interobserver Variability in Electronic Portal Imaging (EPI) Registration
in the Treatment of Prostate Cancer, Eric Berthelet
15:00. Experience with on-line portal image verification, Vincent Althof
15:15. Set-up Reproducibility in Conformal Cranial Radiotherapy for Children:
A Portal Imaging Study, Amin Mosleh-Shirazi
15:30. Position verification for Head & Neck treatments: Phased Clinical
Implementation, A. J. Van Brugge
15:45. The feasibility of portal imaging and the impact of respiration in
tangential breast irradiation, Andre Wopereis
16:00 - Coffee/exhibition/posters
Sponsored by Varian Medical Systems
16:30 - Session 3: Implementation of Markers
Moderators: Kay Hatherley and Mike Kirby
16:30. Image guided radiotherapy treatment (IGRT) by technologists: clinical
implementation, Louis-Martin Girouard
16:45. An integrated tool for on-line image guided radiotherapy using radiographic
markers, Jonathan Sykes
17:00. EPID-based 4D Radiotherapy with Implanted Markers: Lung and Prostate
Applications, Paul Keall
17:15. A comparison of image guided approaches in radiotherapy of the prostate:
Markers Vs Cone-Beam CT, Elizabeth White
17:30 - Refresher Courses
3. Geometric Uncertainties in Radiotherapy: Analysis and Correction Using
Electronic Portal Imaging, Marcel van Herk and Emile van Lin
4. Dose Verification and IMRT Verification with EPID, Phil Evans and
Andries Visser
18:30 - Close
Wednesday
30th June 2004
8:00 - Registration and breakfast
9:00 - Refresher Courses
5. Clinical Implementation of an Electronic Portal Imaging Device/Obstacles
and Solutions, James Balter and Michael Herman
6. Image Processing and Image Registration, Karsten Eilertsen and Frank
Van den Heuvel
10:00 - Invited Presentations
Moderators: Andrew Fielding and Geraint Lewis
10:00. Cone Beam kV-CT for Image-guided Radiation Therapy, Jan-jakob
Sonke
10:25. Dose-Guided Radiation Therapy with Meagvoltage Cone-Beam CT, Jean
Pouliot
10:50 - Coffee/exhibition/posters
Sponsored by Elekta Oncology Systems
11:20 - Session 4: New Technologies
Moderators: Andries Visser and Frank Van den Heuvel
11:20. Measurement of the individual leaf gains of an MLC using an amorphous
silicon EPID, Geoff Budgell
11:35. Simple Beamline Modifications for High Performance Portal Imaging,
Zirao Zheng
11:50. Evaluation of an optimised portal imaging system for patients receiving
radiotherapy for head and neck cancer, Helen McNair
12:05. Electron Beam Bremstrahlung Imaging using an Amorphous Silicon EPID,
John Sage
12:20. Feasibility study of imaging head and neck electron fields using
an ASi EPID, Vibeke Nordmark Hansen
12:35 - Lunch/exhibition/posters
13:50 - Invited Presentations
Moderators: Phil Evans and Rasika Rajapakshe
13:50. Inter-Prostatic Radio-opaque Markers, the Therapist's View, Tara
Haycocks
14:15. The use of an aSi-based EPID for routine absolute dosimetric pre-treatment
verification of dynamic IMRT Fields, Ann Van Esch
14:40 - Session 5: Dosimetry with EPIDs
Moderators: James Balter and Karsten Eilertsen
14:40. Monte Carlo portal dosimetry for segmented IMRT verification using
the SLIC, Mary Chin
14:55. The use of a uniform flood-field for relative dosimetry using the
amorphous-silicon EPID, Jeff Crosbie
15:10. Accurate measurement of dose profiles using EPID dosimetry, Markus
Wendling
15:25. A general framework for portal dosimetry with a fluoroscopic EPID
based on direct imaging of position dependent crosstalk kernels, Hans de
Boer
15:40 - Coffee/exhibition/posters
Sponsored by Elekta Oncology Systems
16:10 - Symposium: Clinical use
of Markers
Moderators: Michael
Herman and Marcel van Herk
16:10. Presentations:
Measuring Intrafraction Motion, Inter-fraction and Intrafraction Rotation
of Prostate using 3D Analysis and V-EPID with radio-opaque markers, Jean-Francois
Aubry
Shrinking Margins in Prostate Treatments with Gold Markers: Conservative
and Optimistic Scenarios, Luc Beaulieu
Refined Equipment And Procedures For Prostate Cancer Detection And Treatment:
Adjusting Treatment To Track Prostate Movement , James Fugazzi
Systematic and random positioning errors in prostate radiotherapy determined
using implanted markers, Ann Henry
Inter and Intra Observer Variations and Patient Characteristic Correlations
in EPID Based Prostate Localization, Chris Beltran
17:00. Discussion
17:30 - Close
19:00 - Coaches depart for meal at Brighton Race Course
Thursday
1st July 2004
8:00 - Registration and breakfast
9:00 - Refresher Courses
7. Practical aspects and current issues in clinical use of Electronic Portal
Imaging, Sarah Helyer, Helen McNair and Kay Hatherley
8. Megavoltage Computed Tomography, Peter Munro and Mike Partridge
10:00 - Invited Presentations
Moderators: Marcel van Herk and Emile Van Lin
10:00. Present Technology and Future Directions for Active Matrix, Flat-Panel
Imagers (AMFPIs), Larry Antonuk
10:25. Portal imaging – Why ask the clinician?, David Bloomfield
and Jean Tremlett
10:50 - Coffee/exhibition/posters
Sponsored by Siemens Medical Systems
11:20 - Session 6: CT Verification
Moderators: Peter Munro and Michael Herman
11:20. Development of a Novel High Quantum Efficiency Direct-conversion
Flat Panel Detector for Megavoltage Cone Beam CT, Geordi Pang
11:35. A comparison of patient dose from cone-beam CT scans and localization
portal images, Peter Remeijer
11:50. Automatic Registration of Portal Images and Pre-Treatment CT Volume
for Patient Positioning, Michelle Svatos
12:05. First clinical experience with cone-beam CT based setup correction
protocols, Peter Remeijer
12:20. Daily CT Verification For Prostate Cancer Patients: Preliminary Results
& A Comparison With EPI, Kellie Knight
12:35. Comparison of setup error determined with EPID and with cone beam
CT for lung cancer patients - how accurate is EPID image analysis in clinical
practice for a difficult site?, Marcel van Herk
12:50 - Lunch/exhibition/posters
14:05 - Session 7: IMRT Verification
Moderators: Steve Morgan and Phil Evans
14:05. Dosimetric pre-treatment IMRT verification with a new CCD camera
based EPID, Rene Bolt
14:20. Measured correction factors for dosimetric verification of IMRT using
an iViewGT amorphous silicon EPID, Geoff Budgell
14:35. Detection of errors in the delivery of Intensity Modulated Radiation
Therapy using electronic portal imaging, Andrew Fielding
14:50. Integrated verification of the patient geometry and the delivered
IMRT fluence using electronic portal imaging for daily 3D dose reconstruction,
Maarten Dirkx
15:05 - Closing Remarks
15:15 - Close of Meeting
Posters
Motion and Margins
1. A portal image approval process using custom, non-proprietary software
application, Lori Rowe
2. Implementation Of Electronic Portal Imaging in a fully networked radiotherapy
department from a radiographer’s perspective, Lindsay Thear
3. On-line verification of radiotherapy delivery using electronic portal
imaging, can fail to identify small systematic errors when implementing an IMRT
technique for carcinoma of the prostate, Julie Stratford
4. Electronic portal imaging workflow and analysis integrated in a record
and verify system, Karsten Eilertsen
New Technologies
5. Investigation of megavoltage beams and detectors for electronic portal
imaging, Stella Flampouri
Markers
6. Optimal Size and CT Imaging of Implanted Gold Seeds for Prostate Position
Verification Using Electronic Portal Imaging, Elena Ungureanu
Image Processing
7. A Unique Dose and Resolution Adaptive Filter, Farhad Ghelmansarai
8. Image Quality Assessment and Analysis Of The Varian Medical Systems LC250
Portal Imager Using the Pointon Phantoms, Andy Pointon
Dosimetry and IMRT Verifcation
9. The X-ray Energy Dependence of the Light Output from CsI Crystals,
Phil Evans
10. IMRT pre-treatment quality assurance via portal dosimetry, Joann
Prisciandaro
11. Virtual Compensation In Head And Neck Radiotherapy, Jane Wilson
12. Online Corrections – Evidence Based Practice Utilizing Electronic
Portal Imaging To Improve The Accuracy Of Field Placement For Locally Advanced
Prostate Cancer, Mark Middleton
13. A method of Modelling the Response of Electronic Portal Imaging Systems,
Phil Evans
14. Assessment of the Geometric accuracy in the Gill-Thomas-Cosman relocatable
frame for patients receiving fractionated stereotactic radiotherapy, Mandy
Humphreys
15. From Siemens BV+ to BV TI to
Optivue FP – the Newcastle experience, John Byrne