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Dummy Run of Quality Assurance Program before Prospective Study of Hippocampus-Sparing Whole-Brain Radiotherapy and Simultaneous Integrated Boost for Multiple Brain Metastases from Non-small Cell Lung Cancer: Korean Radiation Oncology Group (KROG) 17-06 Study

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dc.contributor.authorChung, E-
dc.contributor.authorNoh, JM-
dc.contributor.authorLee, KC-
dc.contributor.authorKim, JH-
dc.contributor.authorChung, WK-
dc.contributor.authorSuh, YG-
dc.contributor.authorLee, JA-
dc.contributor.authorSeol, KH-
dc.contributor.authorWu, HG-
dc.contributor.authorKim, YS-
dc.contributor.authorNoh, OK-
dc.contributor.authorPark, JW-
dc.contributor.authorLee, DS-
dc.contributor.authorLee, J-
dc.contributor.authorKim, YS-
dc.contributor.authorPark, WY-
dc.contributor.authorKang, MK-
dc.contributor.authorJo, S-
dc.contributor.authorAhn, YC-
dc.date.accessioned2020-10-21T07:20:40Z-
dc.date.available2020-10-21T07:20:40Z-
dc.date.issued2019-
dc.identifier.issn1598-2998-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/18782-
dc.description.abstractPURPOSE: Lung Cancer Subcommittee of Korean Radiation Oncology Group (KROG) has recently launched a prospective clinical trial (KROG 17-06) of hippocampus-sparing whole brain radiotherapy (HS-WBRT) with simultaneous integrated boost (SIB) in treating multiple brain metastases from non-small cell lung cancer. In order to improve trial quality, dummy run studies among the participating institutions were designed. This work reported the results of two-step dummy run procedures of the KROG 17-06 study.
MATERIALS AND METHODS: Two steps tested hippocampus contouring variability and radiation therapy planning compliance. In the first step, the variation of the hippocampus delineation was investigated for two representative cases using the Dice similarity coefficients. In the second step, the participating institutions were requested to generate a HS-WBRT with SIB treatment plan for another representative case. The compliance of the treatment plans to the planning protocol was evaluated.
RESULTS: In the first step, the median Dice similarity coefficients of the hippocampus contours for two other dummy run cases changed from 0.669 (range, 0.073 to 0.712) to 0.690 (range, 0.522 to 0.750) and from 0.291 (range, 0.219 to 0.522) to 0.412 (range, 0.264 to 0.598) after providing the hippocampus contouring feedback. In the second step, with providing additional plan priority and extended dose constraints to the target volumes and normal structures, we observed the improved compliance of the treatment plans to the planning protocol.
CONCLUSION: The dummy run studies demonstrated the notable inter-institutional variability in delineating the hippocampus and treatment plan generation, which could be decreased through feedback from the trial center.
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dc.language.isoen-
dc.subject.MESHBrain Neoplasms-
dc.subject.MESHCarcinoma, Non-Small-Cell Lung-
dc.subject.MESHComputer Simulation-
dc.subject.MESHCranial Irradiation-
dc.subject.MESHHippocampus-
dc.subject.MESHHumans-
dc.subject.MESHLung Neoplasms-
dc.subject.MESHOrgan Sparing Treatments-
dc.subject.MESHProspective Studies-
dc.subject.MESHRadiotherapy Dosage-
dc.subject.MESHRadiotherapy Planning, Computer-Assisted-
dc.subject.MESHRadiotherapy, Intensity-Modulated-
dc.titleDummy Run of Quality Assurance Program before Prospective Study of Hippocampus-Sparing Whole-Brain Radiotherapy and Simultaneous Integrated Boost for Multiple Brain Metastases from Non-small Cell Lung Cancer: Korean Radiation Oncology Group (KROG) 17-06 Study-
dc.typeArticle-
dc.identifier.pmid30322229-
dc.identifier.urlhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6639232/-
dc.subject.keywordDummy run-
dc.subject.keywordHippocampus-sparing whole brain radiotherapy-
dc.subject.keywordMulti-institutional study-
dc.subject.keywordNon-small cell lung cancer-
dc.subject.keywordQA program-
dc.contributor.affiliatedAuthor노, 오규-
dc.type.localJournal Papers-
dc.identifier.doi10.4143/crt.2018.415-
dc.citation.titleCancer research and treatment-
dc.citation.volume51-
dc.citation.number3-
dc.citation.date2019-
dc.citation.startPage1001-
dc.citation.endPage1010-
dc.identifier.bibliographicCitationCancer research and treatment, 51(3). : 1001-1010, 2019-
dc.identifier.eissn2005-9256-
dc.relation.journalidJ015982998-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Radiation Oncology
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