Venue:  Classroom 304, Research Center and 10000XL Scanner Room, Tomotherapy/CyberKnife Treatment Planning Room and Linear Accelerator Treatment Room 4 (T4), Radiation Oncology Department Coordinator: Saad Aldelaijan, MSc Faculty: Slobodan Devic, Nada Tomic, Saad Aldelaijan, Faisal Al-Zorkany, Mohammed Naseem, Mamoun Shehadeh and Faisal Al-Zorkany Recommended CE Course: CEC1 entitled "World of Medical Physics"

Target Audience:

This workshop is aimed for radiation medical physicists, medical physics researchers and students interested in learning radiochromic film dosimetry. Basic knowledge of radiation physics is a prerequisite. Some experience in QA using radiochromic film would be a good advantage.

Workshop Aim:

This workshop is intended to provide a hands-on experience in radiochromic film dosimetry where attendees will observe calibration process of radiochromic film as well as measurements and some QA procedures.

Workshop Description:

This workshop is intended to provide a hands-on experience in radiochromic film dosimetry where attendees will observe calibration process of radiochromic film as well as measurements and some QA procedures.

The high spatial resolution, energy independence of dose response and near tissue-equivalence of radiochromic film makes it suitable for dose distribution measurements in radiation fields with high dose gradients in a variety of dosimetry applications. They range from daily QA and commissioning, over patients specific QA and in vitro measurements, all the way to dose verification of radiobiological experiments and animal irradiations. 

This workshop will cover the following topics:

1. Basics in dosimetry: Absolute, reference and relative dosimetry.
2. Advantages of using radiochromic films in dosimetry.
3. Applications of radiochromic films in dosimetry of photon and particulate beams.
4. Essentials of radichromic film dosimetry system.
5. New trends in radiochromic film dosimetry: multichannel versus single channel techniques.
6. Practical session where attendees will experience how to establish their calibration curve and how could it be used for dose measurements.

Learning Objectives:

Upon completion of this course, attendees are expected to:

• Understand different applications of radiochromic film models including some QA procedures.
• Apply standard calibration steps as well as measurements using radiochromic film.
• Have a general knowledge on new techniques in radiochromic film dosimetry.
• Differentiate between dosimetry based on commercial software and in-house customized codes.

Selected papers by the faculty:

Dr Slobodan Devic is a pioneer in radiochromic film dosimetry with more than 20 peer-reviewed publications in this field particularly. Some of his selected papers are:

• S. Devic, N. Tomic, S. Aldelaijan, F. DeBlois, J. Seuntjens, M. Chan, D. Lewis, “Linearization of dose-response curve of the radiochromic film dosimetry system,” Med. Phys. 39 (8), 4850-4857 (2012)
• Slobodan Devic, “Radiochromic film dosimetry: Past, present, and future”, Physica Medica, 27 (3), 122-134 (2011)
• S. Aldelaijan, H. Mohammed, N. Tomic, L. Liang, F. DeBlois, A. Sarfehnia, W. Abdel-Rahman, J. Seuntjens, S. Devic, “Radiochromic film dosimetry of HDR 192Ir source radiation fields,” Med. Phys. 38 , 6074-6083 (2011)
• S. Devic, S. Aldelaijan, H. Mohammed, N. Tomic, L. Liang, F. DeBlois, J. Seuntjens, “Absorption spectra time evolution of EBT-2 model GAFCHROMICTM film,” Med. Phys. 37, 2207 (2010)
• S. Devic, N. Tomic, C. G. Soares, and E. B. Podgorsak, “Optimizing the dynamic range extension of a radiochromic film dosimetry system,” Med. Phys. 36, 429–437 (2009).
• S. Devic, J. Seuntjens, E. Sham, E. B. Podgorsak, A. S. Kirov, R. C. Schmidtlein, C. G. Soares, "Precise radiochromic film dosimetry using a flat-bed document scanner," Med. Phys. 32, 2245-2253 (2005).