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MATERIALS AND METHODS: This was a retrospective review of 32 FDG-PET scans from 23 patients who underwent SBRT for lung cancer and who showed no evidence of local recurrence. The FDG uptake by lesions was assessed visually using a 3-point scale (0, none or faint; 1, mild; or 2, moderate to intense), and the demarcation (ill- or well-defined) was evaluated. For semi-quantitative analysis, the maximum standardized uptake value (SUVmax) was calculated. RESULTS: Grade 2 intensity was observed in 70%, 33%, 30%, and 0% of PET scans performed \u003c6, 6-12, 12-24, and \u003e24months, respectively, after SBRT; well-defined demarcation was observed in 80%, 33%, 40%, and 17%, respectively, and the respective means of the SUVmax were 4.9, 2.6, 3.0, and 2.3. The SUVmax was significantly higher for scans performed at \u003c6months than at 6-12 or \u003e24months. CONCLUSIONS: FDG uptake tended to be intense and well-defined at early times after SBRT, especially within 6months, and was faint and ill-defined at later periods. Moderate to intense FDG uptake observed soon after SBRT does not always indicate a residual tumour. Copyright \u0026copy; 2010 Elsevier Ireland Ltd. All rights reserved.", "subitem_description_type": "Abstract"}]}, "item_8_relation_14": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_type_id": {"subitem_relation_type_id_text": "10.1016/j.radonc.2010.04.011", "subitem_relation_type_select": "DOI"}}]}, "item_8_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0167-8140", "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": "Matsuo, Yukinori"}], "nameIdentifiers": [{"nameIdentifier": "457768", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Nakamoto, Yuji"}], "nameIdentifiers": [{"nameIdentifier": "457769", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Saga, Tsuneo"}], "nameIdentifiers": [{"nameIdentifier": "457770", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Higashi, Tatsuya"}], "nameIdentifiers": [{"nameIdentifier": "457771", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Togashi, Kaori"}], "nameIdentifiers": [{"nameIdentifier": "457772", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Hiraoka, Masahiro"}], "nameIdentifiers": [{"nameIdentifier": "457773", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "et.al"}], "nameIdentifiers": [{"nameIdentifier": "457774", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "佐賀 恒夫", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "457775", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "平岡 真寛", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "457776", "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": "Characterization of FDG-PET images after stereotactic body radiation therapy for lung cancer.", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Characterization of FDG-PET images after stereotactic body radiation therapy for lung cancer."}]}, "item_type_id": "8", "owner": "1", "path": ["1"], "permalink_uri": "https://repo.qst.go.jp/records/45998", "pubdate": {"attribute_name": "公開日", "attribute_value": "2011-02-07"}, "publish_date": "2011-02-07", "publish_status": "0", "recid": "45998", "relation": {}, "relation_version_is_last": true, "title": ["Characterization of FDG-PET images after stereotactic body radiation therapy for lung cancer."], "weko_shared_id": -1}
Characterization of FDG-PET images after stereotactic body radiation therapy for lung cancer.
https://repo.qst.go.jp/records/45998
https://repo.qst.go.jp/records/4599810c90ebd-aafb-442b-9a87-7f713f15eccc
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2011-02-07 | |||||
タイトル | ||||||
タイトル | Characterization of FDG-PET images after stereotactic body radiation therapy for lung cancer. | |||||
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 |
Matsuo, Yukinori
× Matsuo, Yukinori× Nakamoto, Yuji× Saga, Tsuneo× Higashi, Tatsuya× Togashi, Kaori× Hiraoka, Masahiro× et.al× 佐賀 恒夫× 平岡 真寛 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | BACKGROUND AND PURPOSE: The purpose was to characterize (18)F-fluorodeoxyglucose-positron emission tomography (FDG-PET) findings after stereotactic body radiation therapy (SBRT) for lung cancer. MATERIALS AND METHODS: This was a retrospective review of 32 FDG-PET scans from 23 patients who underwent SBRT for lung cancer and who showed no evidence of local recurrence. The FDG uptake by lesions was assessed visually using a 3-point scale (0, none or faint; 1, mild; or 2, moderate to intense), and the demarcation (ill- or well-defined) was evaluated. For semi-quantitative analysis, the maximum standardized uptake value (SUVmax) was calculated. RESULTS: Grade 2 intensity was observed in 70%, 33%, 30%, and 0% of PET scans performed <6, 6-12, 12-24, and >24months, respectively, after SBRT; well-defined demarcation was observed in 80%, 33%, 40%, and 17%, respectively, and the respective means of the SUVmax were 4.9, 2.6, 3.0, and 2.3. The SUVmax was significantly higher for scans performed at <6months than at 6-12 or >24months. CONCLUSIONS: FDG uptake tended to be intense and well-defined at early times after SBRT, especially within 6months, and was faint and ill-defined at later periods. Moderate to intense FDG uptake observed soon after SBRT does not always indicate a residual tumour. Copyright © 2010 Elsevier Ireland Ltd. All rights reserved. | |||||
書誌情報 |
Radiotherapy and Oncology 巻 97, 号 2, p. 200-204, 発行日 2010-04 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0167-8140 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.radonc.2010.04.011 |