First Demonstration of Combined kV/MV Image-Guided Real-Time Dynamic Multileaf-Collimator Target Tracking
نویسندگان
چکیده
منابع مشابه
First demonstration of combined kV/MV image-guided real-time dynamic multileaf-collimator target tracking.
PURPOSE For intrafraction motion management, a real-time tracking system was developed by combining fiducial marker-based tracking via simultaneous kilovoltage (kV) and megavoltage (MV) imaging and a dynamic multileaf collimator (DMLC) beam-tracking system. METHODS AND MATERIALS The integrated tracking system employed a Varian Trilogy system equipped with kV/MV imaging systems and a Millenniu...
متن کاملGeometric accuracy of a real-time target tracking system with dynamic multileaf collimator tracking system.
PURPOSE Dynamically compensating for target motion during radiotherapy will increase treatment accuracy. A laboratory system for real-time target tracking with a dynamic MLC has been developed. In this study, the geometric accuracy limits of this DMLC target tracking system were evaluated. METHODS AND MATERIALS A motion simulator was programmed to follow patient-derived tumor motion paths, pa...
متن کاملReal-time target position estimation using stereoscopic kilovoltage/megavoltage imaging and external respiratory monitoring for dynamic multileaf collimator tracking.
PURPOSE To develop a real-time target position estimation method using stereoscopic kilovoltage (kV)/megavoltage (MV) imaging and external respiratory monitoring, and to investigate the performance of a dynamic multileaf collimator tracking system using this method. METHODS AND MATERIALS The real-time three-dimensional internal target position estimation was established by creating a time-var...
متن کاملElectromagnetic-guided dynamic multileaf collimator tracking enables motion management for intensity-modulated arc therapy.
PURPOSE Intensity-modulated arc therapy (IMAT) is attractive because of high-dose conformality and efficient delivery. However, managing intrafraction motion is challenging for IMAT. The purpose of this research was to develop and investigate electromagnetically guided dynamic multileaf collimator (DMLC) tracking as an enabling technology to treat moving targets during IMAT. METHODS AND MATER...
متن کامل[Testing of dynamic multileaf collimator by dynamic log file].
Intensity-modulated radiation therapy (IMRT) represents one of the most significant technical advances in radiation therapy. In the dynamic multileaf collimator (MLC) method of IMRT delivery, because of the relatively small gaps between opposed leaves and because most regions are shielded by leaves most of the time, the delivered dose is very sensitive to MLC leaf positional accuracy. A variati...
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ژورنال
عنوان ژورنال: International Journal of Radiation Oncology*Biology*Physics
سال: 2009
ISSN: 0360-3016
DOI: 10.1016/j.ijrobp.2009.02.012