{"created":"2023-05-15T14:45:49.507532+00:00","id":62605,"links":{},"metadata":{"_buckets":{"deposit":"9996278c-8813-4734-9f35-878a05b36dc1"},"_deposit":{"created_by":1,"id":"62605","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"62605"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00062605","sets":["10:29"]},"author_link":["618520","618521","618514","618511","618509","618512","618517","618518","618522","618508","618519","618510","618513","618516","618523","618515"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2008-04-06","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Purpose\n直腸癌局所再発に関して、IMRTを用いてSUV1.5以上の領域(biological target volume; BTV)にfocal dose-escalationが可能であるかpreclinicalに検討した。\n\\nMaterials and Methods\n8症例で、GTV+5mm=CTV, CTV or BTV+5mm=PTVとして、PTV-PET>66Gy/30fr, \nPTV-CT>60Gy/30fr, critical organ <60Gy/30frとなるようにinverse planningを施行。conventional RT 60Gy/30frとの比較を行った。\n\\nResults\ncritical organに対して、V50Gy-CRT vs V50Gy-IMRT; 11.3±3.2% vs 5.9±3.0％、V60Gy-CRT\nvs V60Gy-IMRT; 1.5±1.3% vs 1.4±1.1％、 Dmean-CRT vs Dmean-IMRT; 23.3±6.2 Gy vs 18.1±4.5 Gy (p=0.006, p=0.87, p=0.08, respectively; T検定）となった。\n\\n以上からBTV+5mmにIMRTで66Gy/30fr処方しても、CRTによる60Gy/30frと比較して、pelvic\norganのV50Gyを有意に減量することが可能であり、かつV60GyおよびDmeanに有意差はなかった。\n\\nConclusions\nIMRTを用いたBTVに対する10%(6Gy)のfocal dose-escalation は、critical organの合併症のriskを増やすことなく可能である。","subitem_description_type":"Abstract"}]},"item_10005_description_6":{"attribute_name":"会議概要（会議名, 開催地, 会期, 主催者等）","attribute_value_mlt":[{"subitem_description":"第67回日本医学放射線学会総会","subitem_description_type":"Other"}]},"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":"神宮, 啓一"}],"nameIdentifiers":[{"nameIdentifier":"618508","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"金田, 朋洋"}],"nameIdentifiers":[{"nameIdentifier":"618509","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"武田, 賢"}],"nameIdentifiers":[{"nameIdentifier":"618510","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"奈良崎, 覚太朗"}],"nameIdentifiers":[{"nameIdentifier":"618511","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"目時, 隆博"}],"nameIdentifiers":[{"nameIdentifier":"618512","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"小川, 芳弘"}],"nameIdentifiers":[{"nameIdentifier":"618513","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"有賀, 久哲"}],"nameIdentifiers":[{"nameIdentifier":"618514","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"藤本, 圭介"}],"nameIdentifiers":[{"nameIdentifier":"618515","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"高井, 良尋"}],"nameIdentifiers":[{"nameIdentifier":"618516","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山田, 章吾"}],"nameIdentifiers":[{"nameIdentifier":"618517","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"神宮 啓一","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"618518","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"武田 賢","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"618519","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"小川 芳弘","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"618520","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"有賀 久哲","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"618521","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"高井 良尋","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"618522","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山田 章吾","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"618523","nameIdentifierScheme":"WEKO"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"conference object","resourceuri":"http://purl.org/coar/resource_type/c_c94f"}]},"item_title":"PET guided IMRTに関する初期研究","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"PET guided IMRTに関する初期研究"}]},"item_type_id":"10005","owner":"1","path":["29"],"pubdate":{"attribute_name":"公開日","attribute_value":"2008-06-30"},"publish_date":"2008-06-30","publish_status":"0","recid":"62605","relation_version_is_last":true,"title":["PET guided IMRTに関する初期研究"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T21:28:53.143945+00:00"}