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Program Information

Roles of In-Vivo Dose Verification in Radiation Therapy

S Beddar

J Polf

K Tanderup

S Beddar1*, J Polf2*, K Tanderup3*, (1) UT MD Anderson Cancer Center, Houston, TX, (2) University of Maryland School of Medicine, Baltimore, MD, (3) Aarhus University Hospital, Aarhus, DK


11:00 AM : Roles of in-vivo dose verification for photon therapy - S Beddar, Presenting Author
11:25 AM : Roles of in-vivo dose verification for proton therapy - J Polf, Presenting Author
11:50 AM : Roles of in-vivo dose verification for brachytherapy - K Tanderup, Presenting Author

TU-D-605-0 (Tuesday, August 1, 2017) 11:00 AM - 12:15 PM Room: 605

With the advent of new treatment device technologies and the increasing complexity of radiation therapy, patient safety and quality assurance are witnessing a revival of attention and becoming an important focus to ensure the safe and effective delivery of radiation therapies. An important aspect of a comprehensive quality assurance and safety is in vivo dosimetry. This symposium will focus on in vivo dosimetry and its role in radiation therapy for external beam radiation therapy, proton therapy and brachytherapy. Historically, in vivo dosimetry, using traditional detectors (TLD, MOSFETS, diodes, etc.) has been limited to dose measurement performed externally (i.e. skin) or to monitor the dose that may be delivered to implanted devices such as implantable pulse generators (pacemakers) or cardioverter defibrillators. More recently, transmission detectors such as EPIDS are gaining popularity. Furthermore, there is increasing focus on real-time in vivo dosimetry as this facilitates identification of errors during treatment delivery. These aspects of in vivo dosimetry will be briefly presented, however, new avenues that are or will become available will be discussed in this symposium for each treatment modality (Photons, Protons and Brachytherapy).

Learning Objectives:
1. Brief overview of the characteristics, advantages and limitations of the detectors that are commonly used for in-vivo dosimetry.
2. What are the expected roles of in vivo dosimetry at present and in the near future to make in vivo dosimetry become more effective?
3. Become familiar with the types of errors and failures that online real-time in vivo dosimetry may be able to prevent for different treatment modalities (photon, proton and brachytherapy).

Funding Support, Disclosures, and Conflict of Interest: Standard Imaging, Inc; Radiadyne, LLC.


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