{"created":"2023-05-15T14:44:23.753351+00:00","id":60700,"links":{},"metadata":{"_buckets":{"deposit":"66212d9a-7953-49d9-9080-8f1d81422e0b"},"_deposit":{"created_by":1,"id":"60700","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"60700"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00060700","sets":["10:29"]},"author_link":["601977","601979","601982","601980","601981","601978","601986","601983","601984","601985"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2004-11-20","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"[目的]頭頸部腫瘍に対する重粒子治療による放射線脳傷害の臨床所見とMRI画像を検討した。[対象と方法]頭頸部治療に対する重粒子治療が行われた症例で、照射後MRIで放射線脳傷害を認めた36例を対象とした。[結果]照射線量は48〜70.4Gyで、照射終了からMR所見の発現までの期間は2ヶ月から64ヶ月(平均24.5ヶ月)であった。最初のMR所見の出現部位には27例で90％以上の線量が入っていた。臨床症状が出現した症例は10例(27.8％)、ステロイドの投与を受けた症例は9例(25％)であった。経過中に手術が必要となった症例は2例(5.6％)であったが、2例とも生検で腫瘍細胞は認めなかった。放射線脳傷害のMRI所見は照射野内の造影される領域とその周囲の浮腫として出現し、徐々にその内部に造影の弱い領域が広がる。経過観察中に病変が縮小した症例は9例(25％)、変化のなかったものは6例(16.7％)、増大したものは21例(58.3％)であった。[結論]重粒子治療による放射線脳傷害は75％は治療を必要としない程度であり、病変が縮小する症例も25％に認めた。照射野内の特徴的なMRI所見は源疾患の浸潤や転移との鑑別に役立つと思われた。","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":"日本放射線腫瘍学会第17回学術大会","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":"岸本, 理和"}],"nameIdentifiers":[{"nameIdentifier":"601977","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"神立, 進"}],"nameIdentifiers":[{"nameIdentifier":"601978","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"小松, 秀平"}],"nameIdentifiers":[{"nameIdentifier":"601979","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"溝江, 純悦"}],"nameIdentifiers":[{"nameIdentifier":"601980","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"辻井, 博彦"}],"nameIdentifiers":[{"nameIdentifier":"601981","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"岸本 理和","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"601982","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"神立 進","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"601983","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"小松 秀平","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"601984","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"溝江 純悦","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"601985","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"辻井 博彦","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"601986","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":"頭頸部腫瘍に対する重粒子治療による放射線脳傷害のMRI","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"頭頸部腫瘍に対する重粒子治療による放射線脳傷害のMRI"}]},"item_type_id":"10005","owner":"1","path":["29"],"pubdate":{"attribute_name":"公開日","attribute_value":"2004-11-29"},"publish_date":"2004-11-29","publish_status":"0","recid":"60700","relation_version_is_last":true,"title":["頭頸部腫瘍に対する重粒子治療による放射線脳傷害のMRI"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T21:50:47.378289+00:00"}