{"created":"2023-05-15T14:49:42.015658+00:00","id":68049,"links":{},"metadata":{"_buckets":{"deposit":"7e310bdb-5cf1-4247-a470-17f70881b1bc"},"_deposit":{"created_by":1,"id":"68049","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"68049"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00068049","sets":["10:28"]},"author_link":["668327","668333","668331","668330","668336","668341","668340","668335","668324","668332","668342","668343","668329","668328","668334","668325","668338","668339","668337","668326"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2005-04-10","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"頭頸部領域は構造が複雑で診断や治療方針の検討に時としてMRIがCTに比べて有用な場合がある。そこで今回われわれはPET/CTと同時に撮像したMRIを利用してPET-MRI画像を作成、PET/CT画像とPET-MRI重ねあわせ画像の有用性の検討を行った。対象は頭頸部領域26例(鼻腔腫瘍8例、上顎腫瘍8例、舌腫瘍3例、脳腫瘍3例、眼窩腫瘍4例)である。[結果]鼻腔腫瘍3例37%)、上顎腫瘍2例(25%)、舌腫瘍2例(67%)、脳腫瘍3例(100%)でPET-MRI画像の方が診断精度が向上していたが、上顎腫瘍の1例でPET/CT画像のほうが良かったケースがあった。眼窩腫瘍は全例で両画像とも同程度の画像であった。脳腫瘍は全例でPET-MRI画像の方が有用であった。[考察]PET-MRI画像は上顎腫瘍、舌腫瘍の一部の症例においてはPET/CT画像より腫瘍と軟部組織の関係が容易である。また舌腫瘍のケースで、CT像で歯科金属が原因によるアーチファクトを認める症例がありPET-MRI画像の方が有用であると考える。","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64回日本医学放射線学会学術集会","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":"佐合, 賢治"}],"nameIdentifiers":[{"nameIdentifier":"668324","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"吉川, 京燦"}],"nameIdentifiers":[{"nameIdentifier":"668325","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"石川, 博之"}],"nameIdentifiers":[{"nameIdentifier":"668326","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"古賀, 雅久"}],"nameIdentifiers":[{"nameIdentifier":"668327","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"田村, 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