Technologies of image guidance and the development of advanced linear accelerator systems for radiotherapy Journal Article
| Authors: | Wu, V. W. C.; Law, M. Y. Y.; Star-Lack, J.; Cheung, F. W. K.; Ling, C. C. |
| Article Title: | Technologies of image guidance and the development of advanced linear accelerator systems for radiotherapy |
| Abstract: | As advanced radiotherapy approaches for targeting the tumor and sparing the normal tissues have been developed, the image guidance of therapy has become essential to directing and confirming treatment accuracy. To approach these goals, image guidance devices now include kV on-board imagers, kV/MV cone-beam CT systems, CT-on-rails, and mobile and in-room radiographic/fluoroscopic systems. Nonionizing sources, such as ultrasound and optical systems, and electromagnetic devices have been introduced to monitor or track the patient and/or tumor positions during treatment. In addition, devices have been designed specifically for monitoring and/or controlling respiratory motion. Optimally, image-guided radiation therapy systems should possess 3 essential elements: (1) 3D imaging of soft tissues and tumors, (2) efficient acquisition and comparison of the 3D images, and (3) an efficacious process for clinically meaningful intervention. Understanding and using these tools effectively is central to current radiotherapy practice. The implementation and integration of these devices continue to carry practical challenges, which emphasize the need for further development of the technologies and their clinical applications. Copyright © 2011 S. Karger AG, Basel. |
| Keywords: | intensity modulated radiation therapy; validation process; cancer radiotherapy; radiation dose; image analysis; breast; diagnostic imaging; imaging system; mammography; algorithm; dosimetry; radiation dose fractionation; image quality; three dimensional imaging; echography; radiography; artifact; image guidance; electromagnetic field; motion; computer program; linear accelerator; cost benefit analysis; image reconstruction; measurement error; cone beam computed tomography; cyberknife; fluoroscopy; breathing mechanics; computed tomography scanner; noise reduction; digital imaging; spiral computer assisted tomography; digital tomosynthesis; image guided radiation therapy; telecommunication |
| Journal Title: | Frontiers of Radiation Therapy and Oncology |
| Volume: | 43 |
| ISSN: | 0071-9676 |
| Publisher: | S. Karger AG |
| Date Published: | 2011-01-01 |
| Start Page: | 132 |
| End Page: | 164 |
| Language: | English |
| DOI: | 10.1159/000322414 |
| PROVIDER: | scopus |
| PUBMED: | 21625152 |
| DOI/URL: | |
| Notes: | Chapter in "IMRT, IGRT, SBRT: Advances in the Treatment Planning and Delivery of Radiotherapy. 2nd ed" (ISBN: 978-3-8055-9680-0) -- "Export Date: 17 August 2011" - "Source: Scopus" |
