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3D ultrasound-based patient positioning for radiotherapy

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Title: 3D ultrasound-based patient positioning for radiotherapy
Author: Wang, Michael H.; Rohling, Robert N.; Archip, Neculai; Clark, Brenda G.
Issue Date: 2006
Publicly Available in cIRcle 2011-07-05
Publisher Society of Photo-Optical Instrumentation Engineers
Citation: Wang, Michael H.; Rohling, Robert N.; Archip, Neculai; Clark, Brenda G. 3D ultrasound-based patient positioning for radiotherapy. Medical Imaging 2006: Visualization, Image-Guided Procedures, and Display, edited by Kevin R. Cleary, Robert L. Galloway, Jr. Proceedings of SPIE Volume 6141, 61411K, 2006. http://dx.doi.org/10.1117/12.653225
Abstract: A new 3D ultrasound-based patient positioning system for target localisation during radiotherapy is described. Our system incorporates the use of tracked 3D ultrasound scans of the target anatomy acquired using a dedicated 3D ultrasound probe during both the simulation and treatment sessions, fully automatic 3D ultrasound-toultrasound registration, and OPTOTRAK IRLEDs for registering simulation CT to ultrasound data. The accuracy of the entire radiotherapy treatment process resulting from the use of our system, from simulation to the delivery of radiation, has been validated on a phantom. The overall positioning error is less than 5mm, which includes errors from estimation of the irradiated region location in the phantom. Copyright 2006 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Affiliation: Electrical and Computer Engineering, Dept ofMechanical Engineering, Dept of
URI: http://hdl.handle.net/2429/35889
Peer Review Status: Reviewed
Scholarly Level: Faculty

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