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About This Workshop
Defining the 2 and 3 dimensional attenuation profiles of radiation beams from a medical
linear accelerator (Linac) is extremely important to the accurate delivery of radiation
dose distributions for the treatment of cancer. These data are usually collected upon
commissioning of a Linac and after replacement of certain major parts. Data must be
collected for all beam energies and beam types for which the machine will be used
including multiple photon and electron energies, multi-leaf collimators, small fields
and any beam shaping accessories that may be used. Proper procedures for collecting
these data have been defined in task group report 106 from the American Association of
Physicists in Medicine. This workshop will provide a training opportunity for medical
physicists following recommendations of the TG106 report. Beam scanning systems from
multiple vendors will be used in the training. Hands-on demonstrations of 3D and 2D beam
data collection will be done on linacs from several different vendors. Analysis and
preparation of beam data for transfer to 5 different treatment planning systems will be
demonstrated in a laboratory format.
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Educational Objectives
At the completion of this program, participants should have learned:
- The tasks required for collecting radiation treatment planning (RTP) data on 3D/2D scanning systems.
- The capabilities/limitations of accelerator beam data comminssioning equipment.
- To perfrom general set-up and testing procedures for these systems.
- Requirements, precautions and recommendations of the AAPM TG-106 report and how it is being met with the currently available equipment.
- Conversion of data collections for treatment planning system beam modeling.
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Locations & Dates
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Hands-on 3D/2D Linac Beam Scanning Workshop
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Hands-on 3D/2D Linac Beam Scanning Workshop
Download Seminar Brochure 
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Workshop Format
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Attendees will be assigned to small groups and rotate through the labs.
Laboratory sessions will be facilitated by workshop faculty members
and will be conducted on Varian Trilogy, Elekta Synergy, Brainlab
Novalis Classic and Accuray Tomotherapy HD Linacs. Beam scanning
systems from iba Dosimetry, PTW, Standard Imaging, Sun Nuclear, and
Accuray Tomotheraphy will be used in demonstrations. Treatment planning
systems from Brainlab, Elekta, Philips, Accuray and Varian will be used
to demonstrate beam preparation for planning. Continental breakfasts,
lunches and Friday dinner are included. The workshop will adjourn at 4:15 pm on Sunday.
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Who Should Attend
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This hands-on workshop is for medical physicists interested in training
on the collection of linac beam data following TG106 recommended procedures
and preparation of beam data for treatment planning.
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Workshop Credit
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This activity is designed to provide continuing education in radiation
therapy for practicing clinical medical physicists. Application has
been made to CAMPEP for approval of up to 20 hours of Medical Physics
Continuing Education Credit (MPCEC) for qualified medical physicsts.
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Faculty
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John Gibbons, PhD
Mary Bird Perkins Cancer Center
Baton Rouge, LA
Indra Das, PhD
Indiana University
Indianapolis, IN
Wolfram Laub, PhD, MBA
Oregon Health and Science University
Portland, OR
Richard Crilly, PhD
Oregon Health and Science University
Portland, OR
Tony He, PhD
Oregon Health and Science University
Portland, OR
James Tanyi, PhD
Oregon Health and Science University
Portland, OR
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Acknowledgements
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Appreciation is expressed to Joe Conlon, MS, for his initiative and
assistance with developing this workshop. Appreciation is also expressed
to the Oregon Health & Science University for the use of their facilities
and to Wolfram Laub, PhD, MBA for his cooperation and assistance with
organizing the workshop.
Support and participation by iba Dosimetry, PTW,
Standard Imaging and Sun Nuclear is acknowledged and appreciated. Cooperation
and support from several treatment planning vendors will be acknowledged at the workshop.
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Workshop Schedule
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Day One
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2:30 pm
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Registration
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3:00 pm
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Introduction and Workshop Overview
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3:15 pm
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Accelerator Beam Data Commissioning Overview ... Das
- Background of TG-106 work
- Defining the commissioning project
- Dosimeter characteristics of clinical photon beams and RTP requirements
- Shortcuts, pre-configured data and beam matching
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3:45 pm
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Small Field Measurements - Cone and MLC Data Collection ... Gibbons
- Defining the Commissioning Project
- Special equipment and RTP requirements
- Relative measurements and calibration considerations
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4:15 pm
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Clinical Electron Beam Collection ... Laub
- Defining the Commissioning Project
- Electron data collection and RTP requirements
- TG-51 data collection parameters
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4:45 pm
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Overview of Accelerator QA ... Das
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5:15 pm
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Beam Data Collection for Tomotherapy Units
... Crilly
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5:45 pm
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Break and Dinner (pizza delivery)
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Beam Scanner Set-up Orientation - Labs A to E
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6:15 pm
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Sun Nuclear/Varian Trilogy/Eclipse ... Das
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6:30 pm
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Tomotherapy Scanner/Tomotherapy HD/Tomotherapy ... Crilly
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6:45 pm
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iba/Varian Triology/Pinnacle ... Gibbons
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7:00 pm
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Standard Imaging/Brainlab Novalis TX/i Plan
... Tanyi
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7:15 pm
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PtW/Elekta Synergy/Monaco ... Laub
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7:30 pm
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Wrap-up and Questions ... Team Leaders
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7:45 pm
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Adjourn for the Day
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Day Two
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7:15 am
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Coffee and Continental Breakfast
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7:40 am
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First group depart for satellite facility
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8:00 am
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Lab Session 1
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9:30 am
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Informal Discussion and Break
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10:00 am
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Lab Session 2
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11:30 am
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Lunch (provided)
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12:15 pm
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Lab Session 3
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1:45 pm
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Transition to next lab
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2:00 pm
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Lab Session 4
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3:30 pm
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Informal Discussion and Break
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4:00 pm
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Lab Session 5
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5:30 pm
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Questions and Discussion with Faculty
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6:15 pm
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Adjourn for the Day
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Day Three
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7:00 am
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Continental Breakfast
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7:30 am
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Special Scans and Relative Measurements ...Das
- IMRT measurements
- Output
- Ancillary equipment, etc.
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8:00 am
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Processing Beam Data ... Gibbons
- Post measurement data handling overview
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8:30 am
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Lab Session 6
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9:45 am
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Informal Discussion and Break
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10:00 am
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Lab Session 7
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11:15 am
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Lunch (provided)
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11:45 am
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Lab Session 8
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1:00 pm
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Lab Session 9
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2:15 pm
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Informal Discussion and Break
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2:30 pm
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Lab Session 10
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3:45 pm
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Questions/Answers and Discussion
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4:15 pm
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Workshop Adjourned
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Day Two Labs
Lab 1
Standard data
collection PDD and
Profile measurements
Lab 2
Tomotherapy HD
Commissioning
measurements
Lab 3
Electron data
collection
Lab 4
Small field SRS
beam scanning (cones
and MLC based)
Lab 5
Specialty measurements,
Synamic Wedge, Linear array
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Day Three Labs
Labs 6 to 10
- Processing beam data
- Interfacing with RTP systems
- Data conversion to 5 brands of
treatment planning systems
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Registration
All prices for dates in the US are in US dollars.
All prices for dates in Canada are in Canadian dollars.
| ♦ | Amount | Early | Reg Door |
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| MTMI Members | 1150.00 | 1150.00 | 1150.00 |
| Non-Members | 1195.00 | 1195.00 | 1195.00 |
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Tax Deduction
The expense of continuing education, when taken to maintain and improve professional skills, is tax deductible. Please contact your accountant for
details.
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