{"created":"2025-06-04T09:08:59.686012+00:00","id":2000095,"links":{},"metadata":{"_buckets":{"deposit":"4a429692-55b0-4318-a09a-92f90736ea91"},"_deposit":{"created_by":12,"id":"2000095","owner":"12","owners":[12],"pid":{"revision_id":0,"type":"depid","value":"2000095"},"status":"published"},"_oai":{"id":"oai:junshin.repo.nii.ac.jp:02000095","sets":["1:6:82:1746836280329"]},"author_link":[],"item_10002_biblio_info_7":{"attribute_name":"bibliographic_information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2025-06-16"},"bibliographicIssueNumber":"15","bibliographicNumberOfPages":"9","bibliographicPageEnd":"73","bibliographicPageStart":"65","bibliographic_titles":[{"bibliographic_title":"純真学園大学雑誌","bibliographic_titleLang":"ja"},{"bibliographic_title":"Journal of Junshin Gakuen University, Faculty of Health Sciences","bibliographic_titleLang":"en"}]}]},"item_10002_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"本研究では，撮影頻度が高く，かつ被ばく線量の多い腰椎側面撮影を対象とし，撮影管電圧80，85，90，95，100 kV と金属フィルタなしおよび5 種類の金属フィルタ（Cu，Ho，Gd，Yb，W）を組み合わせた合計30種類の線質を使用して人体ファントムを撮影し，X 線被ばくと画像コントラストの観点から間接変換型FPD システムに使用する適正な線質について検討した．\nその結果，基準線質（85 kV，金属フィルタなし）と比較して，85 kV ＋ Yb の組み合わせでは骨の画像コントラストが5％向上し，入射表面線量は14％低減した．\n一般的に臨床で使用されるCu フィルタを適用した場合，80 kV ＋ Cu で7％の骨の画像コントラスト向上と6％の入射表面線量の低減が可能であった．これらの結果から，間接変換型Flat Panel Detector システムを用いた腰椎側面撮影において，撮影管電圧85 kV と重金属フィルタYb を組み合わせた線質が，画質向上と被ばく低減のバランスにおいて最適であることが示された．","subitem_description_language":"ja","subitem_description_type":"Abstract"},{"subitem_description":"This study investigated the optimal beam quality for lateral lumbar spine radiography using an indirect\nconversion flat panel detector（ FPD） system. This study used beam qualities comprising combinations of tube voltages\n（80, 85, 90, 95, and 100 kV）, with no filter, and five types of metal filters（ Cu, Ho, Gd, Yb, and W）, resulting in 30\nconditions. Lateral lumbar spine radiography was performed using a human phantom. The 30 beam qualities were\nevaluated by measuring image contrast, entrance surface dose （ESD）, and exposure time, and were compared to the\nreference beam quality of 85 kV without filter. The combination of 80 kV and a Cu filter resulted in a 6% reduction in\nESD and 7% improvement in image contrast. Similarly, the combination of 85 kV and a Yb filter reduced the ESD by\n14% and enhanced the image contrast by 5%. Furthermore, the combination of 85 kV and a W filter achieved a 19%\nreduction in ESD and 1% improvement in image contrast. Exposure times were 0.11, 0.18, 0.14, and 0.125 s for reference\nconditions（ 85 kV, no filter）, 80 kV + Cu, 85 kV + Yb, and 85 kV + W, respectively. The increase in exposure time due to\nusing heavy-metal filters was limited by a factor of＜1.27 times. These findings suggest that for lateral lumbar spine\nradiography using an indirect conversion FPD system, 85 kV + Yb provides an optimal balance between image quality\nenhancement and radiation dose reduction.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10002_full_name_3":{"attribute_name":"著者（英）","attribute_value_mlt":[{"affiliations":[{"affiliationNames":[{"affiliationName":"JUNSHIN GAKUEN University","affiliationNameLang":"en"}]}],"familyNames":[{"familyName":"MURAKAMI","familyNameLang":"en"}],"givenNames":[{"givenName":"Seiichi","givenNameLang":"en"}],"names":[{"name":"Seiichi, MURAKAMI","nameLang":"en"}]},{"affiliations":[{"affiliationNames":[{"affiliationName":"Department of Radiology, Miyazaki University Hospital","affiliationNameLang":"en"}]}],"familyNames":[{"familyName":"KADOGAWA","familyNameLang":"en"}],"givenNames":[{"givenName":"Hina","givenNameLang":"en"}],"names":[{"name":"Hina, KADOGAWA","nameLang":"en"}]}]},"item_10002_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"純真学園大学","subitem_publisher_language":"ja"},{"subitem_publisher":"JUSHIN GAKUEN UNIVERSITY","subitem_publisher_language":"en"}]},"item_10002_source_id_9":{"attribute_name":"item_10002_source_id_9","attribute_value_mlt":[{"subitem_source_identifier":"2186-6481","subitem_source_identifier_type":"ISSN"}]},"item_1710308327429":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"【原著】間接変換型FPD システムを用いた腰椎側面撮影に使用する 適正な線質の検討","subitem_title_language":"ja"},{"subitem_title":"Optimal Beam Quality for Lateral Lumbar Spine Radiography Using an Indirect Conversion Flat Panel Detector System","subitem_title_language":"en"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorAffiliations":[{"affiliationNames":[{"affiliationName":"純真学園大学","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"村上, 誠一","creatorNameLang":"ja","creatorNameType":"Personal"}],"familyNames":[{"familyName":"村上","familyNameLang":"ja"}],"givenNames":[{"givenName":"誠一","givenNameLang":"ja"}]},{"creatorAffiliations":[{"affiliationNames":[{"affiliationName":"宮崎大学医学部附属病院","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"門川, ひな","creatorNameLang":"ja","creatorNameType":"Personal"}],"familyNames":[{"familyName":"門川","familyNameLang":"ja"}],"givenNames":[{"givenName":"ひな","givenNameLang":"ja"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2025-06-10"}],"displaytype":"detail","filename":"【原著】間接変換型FPD システムを用いた腰椎側面撮影に使用する適正な線質の検討.pdf","filesize":[{"value":"731 KB"}],"format":"application/pdf","licensetype":"license_5","url":{"url":"https://junshin.repo.nii.ac.jp/record/2000095/files/【原著】間接変換型FPD システムを用いた腰椎側面撮影に使用する適正な線質の検討.pdf"},"version_id":"f1b68391-ea02-4170-bded-022648c8a093"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"間接変換型FPD","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"重金属フィルタ","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"画像コントラスト","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"入射表面線量","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"腰椎側面写真","subitem_subject_language":"ja","subitem_subject_scheme":"Other"},{"subitem_subject":"Indirect conversion Flat Panel Detector （FPD）","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Heavy metal filter","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Image contrast","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Entrance surface dose （ESD）","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Lateral lumbar spine radiograph","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"item_resource_type","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"【原著】間接変換型FPD システムを用いた腰椎側面撮影に使用する 適正な線質の検討","item_type_id":"10002","owner":"12","path":["1746836280329"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2025-06-10"},"publish_date":"2025-06-10","publish_status":"0","recid":"2000095","relation_version_is_last":true,"title":["【原著】間接変換型FPD システムを用いた腰椎側面撮影に使用する 適正な線質の検討"],"weko_creator_id":"12","weko_shared_id":-1},"updated":"2025-06-09T06:12:36.091016+00:00"}