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MO‐FG‐BRD‐03: Real‐Time Imaging and Tracking Techniques for Intrafractional Motion Management: EM Tracking
Author(s) -
Keall P.
Publication year - 2015
Publication title -
medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.473
H-Index - 180
eISSN - 2473-4209
pISSN - 0094-2405
DOI - 10.1118/1.4925398
Subject(s) - fiducial marker , tracking (education) , medical imaging , computer science , computer vision , match moving , tracking system , medical physics , image guided radiation therapy , artificial intelligence , medicine , motion (physics) , kalman filter , psychology , pedagogy
Intrafraction target motion is a prominent complicating factor in the accurate targeting of radiation within the body. Methods compensating for target motion during treatment, such as gating and dynamic tumor tracking, depend on the delineation of target location as a function of time during delivery. A variety of techniques for target localization have been explored and are under active development; these include beam‐level imaging of radio‐opaque fiducials, fiducial‐less tracking of anatomical landmarks, tracking of electromagnetic transponders, optical imaging of correlated surrogates, and volumetric imaging within treatment delivery. The Joint Imaging and Therapy Symposium will provide an overview of the techniques for real‐time imaging and tracking, with special focus on emerging modes of implementation across different modalities. In particular, the symposium will explore developments in 1) Beam‐level kilovoltage X‐ray imaging techniques, 2) EPID‐based megavoltage X‐ray tracking, 3) Dynamic tracking using electromagnetic transponders, and 4) MRI‐based soft‐tissue tracking during radiation delivery. Learning Objectives: 1. Understand the fundamentals of real‐time imaging and tracking techniques 2. Learn about emerging techniques in the field of real‐time tracking 3. Distinguish between the advantages and disadvantages of different tracking modalities 4. Understand the role of real‐time tracking techniques within the clinical delivery work‐flow

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