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METHODS AND MATERIALS: The records of 210 patients treated with gross complete resection (R0: 147 patients; R1: 63 patients) and IORT with or without EBRT were reviewed. One hundred forty-seven patients (70.0%) were treated without EBRT and 114 patients (54.3%) were treated in conjunction with chemotherapy. The median doses of IORT and EBRT were 25 Gy (range, 20-30 Gy) and 45 Gy (range, 20-60Gy), respectively. The median follow-up of the surviving 62 patients was 26.3 months (range, 2.7-90.5 months). RESULTS: At the time of this analysis, 150 of 210 patients (71.4%) had disease recurrences. Local failure was observed in 31 patients (14.8%), and the 2-year local control rate in all patients was 83.7%. The median survival time and the 2-year actuarial overall survival (OS) in all 210 patients were 19.1 months and 42.1%, respectively. Patients treated with IORT and chemotherapy had a significantly more favorable OS than those treated with IORT alone (p = 0.0011). On univariate analysis, chemotherapy use, degree of resection, carbohydrate antigen 19-9, and pathological N stage had a significant impact on OS and on multivariate analysis; these four factors were significant prognostic factors. Late gastrointestinal morbidity of NCI-CTC Grade 4 was observed in 7 patients (3.3%). CONCLUSION: IORT yields an excellent local control rate for resected pancreatic cancer with few frequencies of severe late toxicity, and IORT combined with chemotherapy confers a survival benefit compared with that of IORT alone. (c) 2010 Elsevier Inc. All rights reserved.", "subitem_description_type": "Abstract"}]}, "item_8_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0360-3016", "subitem_source_identifier_type": "ISSN"}]}, "item_access_right": {"attribute_name": "アクセス権", "attribute_value_mlt": [{"subitem_access_right": "metadata only access", "subitem_access_right_uri": "http://purl.org/coar/access_right/c_14cb"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Ogawa, Kazuhiko"}], "nameIdentifiers": [{"nameIdentifier": "456378", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Karasawa, Katsuyuki"}], "nameIdentifiers": [{"nameIdentifier": "456379", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Ito, Yoshinori"}], "nameIdentifiers": [{"nameIdentifier": "456380", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Ogawa, Yoshihiro"}], "nameIdentifiers": [{"nameIdentifier": "456381", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Jingu, Keiichi"}], "nameIdentifiers": [{"nameIdentifier": "456382", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Wada, Hitoshi"}], "nameIdentifiers": [{"nameIdentifier": "456383", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Takayama, Makoto"}], "nameIdentifiers": [{"nameIdentifier": "456384", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Nemoto, Kenji"}], "nameIdentifiers": [{"nameIdentifier": "456385", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "et.al"}], "nameIdentifiers": [{"nameIdentifier": "456386", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "小川 芳弘", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "456387", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "神宮 啓一", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "456388", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "根本 建二", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "456389", "nameIdentifierScheme": "WEKO"}]}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Intraoperative radiotherapy for resected pancreatic cancer: a multi-institutional retrospective analysis of 210 patients.", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Intraoperative radiotherapy for resected pancreatic cancer: a multi-institutional retrospective analysis of 210 patients."}]}, "item_type_id": "8", "owner": "1", "path": ["1"], "permalink_uri": "https://repo.qst.go.jp/records/45883", "pubdate": {"attribute_name": "公開日", "attribute_value": "2010-08-25"}, "publish_date": "2010-08-25", "publish_status": "0", "recid": "45883", "relation": {}, "relation_version_is_last": true, "title": ["Intraoperative radiotherapy for resected pancreatic cancer: a multi-institutional retrospective analysis of 210 patients."], "weko_shared_id": -1}
Intraoperative radiotherapy for resected pancreatic cancer: a multi-institutional retrospective analysis of 210 patients.
https://repo.qst.go.jp/records/45883
https://repo.qst.go.jp/records/45883b05f8a32-8504-479b-b09b-e512a781fca8
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-08-25 | |||||
タイトル | ||||||
タイトル | Intraoperative radiotherapy for resected pancreatic cancer: a multi-institutional retrospective analysis of 210 patients. | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Ogawa, Kazuhiko
× Ogawa, Kazuhiko× Karasawa, Katsuyuki× Ito, Yoshinori× Ogawa, Yoshihiro× Jingu, Keiichi× Wada, Hitoshi× Takayama, Makoto× Nemoto, Kenji× et.al× 小川 芳弘× 神宮 啓一× 根本 建二 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | PURPOSE: To retrospectively analyze the results of intraoperative radiotherapy (IORT) with or without external beam radiotherapy (EBRT) for resected pancreatic cancer. METHODS AND MATERIALS: The records of 210 patients treated with gross complete resection (R0: 147 patients; R1: 63 patients) and IORT with or without EBRT were reviewed. One hundred forty-seven patients (70.0%) were treated without EBRT and 114 patients (54.3%) were treated in conjunction with chemotherapy. The median doses of IORT and EBRT were 25 Gy (range, 20-30 Gy) and 45 Gy (range, 20-60Gy), respectively. The median follow-up of the surviving 62 patients was 26.3 months (range, 2.7-90.5 months). RESULTS: At the time of this analysis, 150 of 210 patients (71.4%) had disease recurrences. Local failure was observed in 31 patients (14.8%), and the 2-year local control rate in all patients was 83.7%. The median survival time and the 2-year actuarial overall survival (OS) in all 210 patients were 19.1 months and 42.1%, respectively. Patients treated with IORT and chemotherapy had a significantly more favorable OS than those treated with IORT alone (p = 0.0011). On univariate analysis, chemotherapy use, degree of resection, carbohydrate antigen 19-9, and pathological N stage had a significant impact on OS and on multivariate analysis; these four factors were significant prognostic factors. Late gastrointestinal morbidity of NCI-CTC Grade 4 was observed in 7 patients (3.3%). CONCLUSION: IORT yields an excellent local control rate for resected pancreatic cancer with few frequencies of severe late toxicity, and IORT combined with chemotherapy confers a survival benefit compared with that of IORT alone. (c) 2010 Elsevier Inc. All rights reserved. | |||||
書誌情報 |
International Journal of Radiation Oncology Biology Physics 巻 77, 号 3, p. 734-742, 発行日 2010-07 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0360-3016 |