{"created":"2023-05-15T14:37:32.751703+00:00","id":48431,"links":{},"metadata":{"_buckets":{"deposit":"5d9cf705-849b-4426-b9b8-51772ed1772b"},"_deposit":{"created_by":1,"id":"48431","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"48431"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00048431","sets":["1"]},"author_link":["486829","486827","486840","486836","486828","486838","486832","486826","486835","486831","486837","486839","486834","486833","486830","486825"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2011-03","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageEnd":"68","bibliographicPageStart":"59","bibliographicVolumeNumber":"52","bibliographic_titles":[{"bibliographic_title":"Journal of Radiation Research"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"The aim of this study was to quantify the magnitude of intrafractional lung tumor motion under free-breathing conditions with an immobilization device using four-dimensional computed tomography (4DCT). 4DCT data sets were acquired for 17 patients with lung tumors receiving carbon ion beam therapy. A single respiratory cycle was subdivided into 10 phases, and intrafractional tumor motion was calculated by identifying the gross tumor volume (GTV) center of mass (COM) in two scenarios; respiratory-ungated and -gated treatments, which were based on a whole respiratory cycle and a 30% duty cycle around peak exhalation, respectively. For the respiratory-ungated case, the mean (± standard deviation) GTV-COM dis-placements from the peak exhalation position over the 17 patients were 0.6 (± 0.8) / 0.9 (± 1.2) mm, 2.0 (± 1.4) / 0.4 (± 0.7) mm, and 0.2 (± 0.5) / 7.8 (± 6.9) mm in left/right, anterior/posterior and superior/infe-rior directions, respectively, while these were reduced for the respiratory-gated case to 0.3 (± 0.4) / 0.4 (±0.6) mm (left/right), 0.8 (± 0.7) / 0.3 (± 0.5) mm (anterior/posterior), and 0.1 (± 0.2) / 2.8 (± 2.9) mm (superior/inferior). Quantitative analysis of tumor motion with immobilization is valuable not only for par-ticle beam therapy but also for photon beam therapy.","subitem_description_type":"Abstract"}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0449-3060","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":"Dobashi, Suguru"}],"nameIdentifiers":[{"nameIdentifier":"486825","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Sugane, Toshio"}],"nameIdentifiers":[{"nameIdentifier":"486826","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Mori, Shinichiro"}],"nameIdentifiers":[{"nameIdentifier":"486827","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Asakura, Hiroshi"}],"nameIdentifiers":[{"nameIdentifier":"486828","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Yamamoto, Naoyoshi"}],"nameIdentifiers":[{"nameIdentifier":"486829","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kumagai, Motoki"}],"nameIdentifiers":[{"nameIdentifier":"486830","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kandatsu, Susumu"}],"nameIdentifiers":[{"nameIdentifier":"486831","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Baba, Masayuki"}],"nameIdentifiers":[{"nameIdentifier":"486832","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"土橋 卓","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"486833","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"須金 紀雄","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"486834","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"森 慎一郎","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"486835","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"浅倉 裕史","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"486836","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山本 直敬","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"486837","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"熊谷 始紀","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"486838","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"神立 進","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"486839","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"馬場 雅行","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"486840","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":"Intrafractional Respiratory Motion for Charged Particle Lung Therapy with Immobilization Assessed by Four-Dimensional Computed Tomography","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Intrafractional Respiratory Motion for Charged Particle Lung Therapy with Immobilization Assessed by Four-Dimensional Computed Tomography"}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-01-11"},"publish_date":"2018-01-11","publish_status":"0","recid":"48431","relation_version_is_last":true,"title":["Intrafractional Respiratory Motion for Charged Particle Lung Therapy with Immobilization Assessed by Four-Dimensional Computed Tomography"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T23:28:10.955147+00:00"}