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Interobserver variation in target volume for salvage radiotherapy in recurrent prostate cancer patients after radical prostatectomy using CT versus combined CT and MRI: a multicenter study (KROG 13-11)

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dc.contributor.author조재호-
dc.date.accessioned2018-08-28T17:04:33Z-
dc.date.available2018-08-28T17:04:33Z-
dc.date.issued2018-
dc.identifier.issn2234-1900-
dc.identifier.urihttps://ir.ymlib.yonsei.ac.kr/handle/22282913/162229-
dc.description.abstractPURPOSE: To investigate interobserver variation in target volume delineations for prostate cancer salvage radiotherapy using planning computed tomography (CT) versus combined planning CT and magnetic resonance imaging (MRI). MATERIALS AND METHODS: Ten radiation oncologists independently delineated a target volume on the planning CT scans of five cases with different pathological status after radical prostatectomy. Two weeks later, this was repeated with the addition of planning MRI. The volumes obtained with CT only and combined CT and MRI were compared, and the effect of the addition of planning MRI on interobserver variability was assessed. RESULTS: There were large differences in clinical target volume (CTV) delineated by each observer, regardless of the addition of planning MRI (9.44-139.27 cm(3) in CT only and 7.77-122.83 cm(3) in CT plus MRI) and no significant differences in the mean and standard deviation of CTV. However, there were decreases in mean volume and standard deviation as a result of using the planning MRI. CONCLUSION: This study showed substantial interobserver variation in target volume delineation for salvage radiotherapy. The combination of planning MRI with CT tended to decrease the target volume and the variation.-
dc.description.statementOfResponsibilityopen-
dc.languageEnglish-
dc.publisherKorean Society for Therapeutic Radiology and Oncology-
dc.relation.isPartOfRADIATION ONCOLOGY JOURNAL-
dc.rightsCC BY-NC-ND 2.0 KR-
dc.rightshttps://creativecommons.org/licenses/by-nc-nd/2.0/kr/-
dc.titleInterobserver variation in target volume for salvage radiotherapy in recurrent prostate cancer patients after radical prostatectomy using CT versus combined CT and MRI: a multicenter study (KROG 13-11)-
dc.typeArticle-
dc.contributor.collegeCollege of Medicine-
dc.contributor.departmentDept. of Radiation Oncology-
dc.contributor.googleauthorEonju Lee-
dc.contributor.googleauthorWon Park-
dc.contributor.googleauthorSung Hwan Ahn-
dc.contributor.googleauthorJae Ho Cho-
dc.contributor.googleauthorJin Hee Kim-
dc.contributor.googleauthorKwan Ho Cho-
dc.contributor.googleauthorYoung Min Choi-
dc.contributor.googleauthorJae-Sung Kim-
dc.contributor.googleauthorJin Ho Kim-
dc.contributor.googleauthorHong-Seok Jang-
dc.contributor.googleauthorYoung-Seok Kim-
dc.contributor.googleauthorTaek-Keun Nam-
dc.identifier.doi10.3857/roj.2017.00080-
dc.contributor.localIdA03901-
dc.relation.journalcodeJ02592-
dc.identifier.eissn2234-3164-
dc.identifier.pmid29207866-
dc.subject.keywordInterobserver variation-
dc.subject.keywordMagnetic resonance image-
dc.subject.keywordProstate cancer-
dc.subject.keywordSalvage radiotherapy-
dc.subject.keywordTarget volume-
dc.contributor.alternativeNameCho, Jae Ho-
dc.contributor.affiliatedAuthorCho, Jae Ho-
dc.citation.volume36-
dc.citation.number1-
dc.citation.startPage43420-
dc.identifier.bibliographicCitationRADIATION ONCOLOGY JOURNAL, Vol.36(1) : 43420, 2018-
dc.identifier.rimsid59815-
dc.type.rimsART-
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiation Oncology (방사선종양학교실) > 1. Journal Papers

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