| Image-guided brachytherapy for cervical cancer: A Canadian Brachytherapy Group Survey. | |
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MedLine Citation:
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PMID: 21345744 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE: To survey the current use and future plans for image-guided brachytherapy (BT) for cervical cancer by radiation oncologists in Canada. METHODS AND MATERIALS: Canadian radiation oncologists treating gynecologic malignancies were identified in January 2009. A 29-item questionnaire (English and French) querying the current practice in the use of imaging in BT planning, and plans for transition to three-dimensional (3D) image guidance for BT for cervical cancer (curative intent, intact cervix), was electronically circulated. Questionnaire responses were tabulated and analyzed by respondent and by center. RESULTS: Response rate was 62% (36 of 58 radiation oncologists), representing 71% (22 of 31) of Canadian radiation oncology centers with a gynecologic BT facility. Most of the centers were using high-dose-rate BT (68%), followed by low-dose-rate BT (23%) and pulsed dose-rate BT (10%). Main imaging used for treatment planning by center was plain X-ray (50%), computerized tomography (CT) (45%), and magnetic resonance imaging (MRI) (5%). For respondents using CT or MRI for planning, point A was the most common dose prescription point (50%), followed by gross tumor volume/clinical target volume as per Groupe Européen de Curiethérapie and the European Society for Therapeutic Radiology and Oncology guidelines (44%). For centers using plain X-rays for planning, 73% planned to transition to a 3D image-based approach, with the majority to adopt CT imaging. Eighty percent of respondents agreed that 3D image-guided BT should become standard of care for treatment of cervical cancer in Canada, and additionally support the development of national guidelines. CONCLUSIONS: Most of the Canadian radiation oncologists surveyed and Canadian cancer centers are either using 3D imaging and planning or transitioning to a 3D image-based approach within the next year. Point A remained a commonly documented prescription point. Access to MRI was very low. These results may lead to national treatment guidelines. |
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Authors:
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Simon Pavamani; David P D'Souza; Lorraine Portelance; Peter S Craighead; Andrew G Pearce; Laurel L Traptow; Corinne M Doll |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-2-22 |
Journal Detail:
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Title: Brachytherapy Volume: - ISSN: 1873-1449 ISO Abbreviation: - Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-2-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101137600 Medline TA: Brachytherapy Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 American Brachytherapy Society. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Oncology, University of Calgary, Calgary, Alberta, Canada. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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