{"created":"2023-05-15T09:02:48.113971+00:00","id":3676,"links":{},"metadata":{"_buckets":{"deposit":"e2ede754-8f8d-4d53-8e60-2bf56c4f4a1d"},"_deposit":{"created_by":3,"id":"3676","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"3676"},"status":"published"},"_oai":{"id":"oai:hirosaki.repo.nii.ac.jp:00003676","sets":["557:561:646"]},"author_link":["12291","10772","12293","10781","12297","11740","11730","12290","10764","11720","12295","12289"],"item_3_alternative_title_21":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"DOSE CALCULATIONS USING FOUR-DIMENSIONAL COMPUTED TOMOGRAPHY IN STEREOTACTIC BODY RADIOTHERAPY FOR LUNG CANCER"}]},"item_3_alternative_title_22":{"attribute_name":"タイトル（ヨミ）","attribute_value_mlt":[{"subitem_alternative_title":"コキュウ ドウキ 4D-CT オ モチイタ ハイガン ニ タイスル タイカンブ テイイ ホウシャセン チリョウ ケイカク ニオケル 4ジゲンテキ センリョウ ケイサン ノ ケントウ"}]},"item_3_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2011-01-17","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2-4","bibliographicPageEnd":"121","bibliographicPageStart":"114","bibliographicVolumeNumber":"61","bibliographic_titles":[{"bibliographic_title":"弘前医学"}]}]},"item_3_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"【目的】4D-CTを用いて呼吸性移動の線量計算に対する影響を検討した．【対象・方法】4D-CTを撮像した14例を対象に平均画像を用いて非対向6門で治療計画を作成した．計画を各呼吸位相のCTに貼り付けMU値を計算し，呼吸位相毎に平均画像のMU値と比較した（MUdiff ）．また，各門毎の変動を計算した（⊿MU）．呼吸性移動をビームの平面方向と垂直方向に分離し，それぞれ⊿MUとの相関を検討した．線量計算はClarkson法（C法）, superposition法（S法）の2つを用い比較した．【結果】MUdiff はC法では吸気相以外で，S法では終末吸気・呼気のみで有意差を認めた．⊿MUはC法では平面上方向・垂直方向に中等度相関を認めたが，S法では垂直方向のみに弱い相関を認めた．【結論】C法は呼吸性移動の影響を受けやすく，S法は影響が少なかった．呼吸性移動を加味した線量計算はS法が有用と考えられた．","subitem_description_type":"Abstract"}]},"item_3_description_7":{"attribute_name":"引用","attribute_value_mlt":[{"subitem_description":"弘前医学. 61(2-4), 2011, p.114-121","subitem_description_type":"Other"}]},"item_3_full_name_2":{"attribute_name":"著者(ヨミ)","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"12291","nameIdentifierScheme":"WEKO"}],"names":[{"name":"カワグチ, ヒデオ"}]},{"nameIdentifiers":[{"nameIdentifier":"10781","nameIdentifierScheme":"WEKO"}],"names":[{"name":"アオキ, マサヒコ"}]},{"nameIdentifiers":[{"nameIdentifier":"12293","nameIdentifierScheme":"WEKO"}],"names":[{"name":"ハタヤマ, ヨシオミ"}]},{"nameIdentifiers":[{"nameIdentifier":"11730","nameIdentifierScheme":"WEKO"}],"names":[{"name":"オノ, 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