{"created":"2024-12-12T01:35:45.255639+00:00","id":2009363,"links":{},"metadata":{"_buckets":{"deposit":"e58c9c83-f261-4125-b9cd-27dcb21481e3"},"_deposit":{"created_by":7,"id":"2009363","owners":[7],"pid":{"revision_id":0,"type":"depid","value":"2009363"},"status":"published"},"_oai":{"id":"oai:tokushima-u.repo.nii.ac.jp:02009363","sets":["1713853213384:1713853295607"]},"author_link":["576","1638","436","1589","538"],"control_number":"2009363","item_10001_alternative_title_1":{"attribute_name":"タイトル別表記","attribute_value_mlt":[{"subitem_alternative_title":"ASL for Grading Nonenhancing Astrocytoma","subitem_alternative_title_language":"en"}]},"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2017-12-12","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"282","bibliographicPageStart":"277","bibliographicVolumeNumber":"17","bibliographic_titles":[{"bibliographic_title":"Magnetic Resonance in Medical Sciences","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Purpose: We evaluated the utility of arterial spin labeling (ASL) imaging of tumor blood flow (TBF) for grading non-enhancing astrocytic tumors.\nMaterials and Methods: Thirteen non-enhancing astrocytomas were divided into high-grade (n = 7) and low-grade (n = 6) groups. Both ASL and conventional sequences were acquired using the same magnetic resonance machine. Intratumoral absolute maximum TBF (TBFmax), absolute mean TBF (TBFmean), and corresponding values normalized to cerebral blood flow (TBFmax and TBFmean ratios) were measured. The Mann-Whitney U test and receiver operating characteristic (ROC) curve analysis were used to assess the accuracy of TBF variables for tumor grading.\nResults: Compared with low-grade astrocytoma, high-grade astrocytoma exhibited significantly greater absolute TBFmax (90.93 ± 24.96 vs 46.94 ± 20.97 ml/100 g/min, P < 0.001), TBFmean (58.75 ± 19.89 vs 31.16 ± 17.63 ml/100 g/min, P < 0.001), TBFmax ratio (3.34 ± 1.22 vs 1.35 ± 0.5, P < 0.001), and TBFmean ratio (2.15 ± 0.94 vs 0.88 ± 0.41, P < 0.001). The TBFmax ratio yielded the highest diagnostic accuracy (sensitivity 100%, specificity 86.3%), while absolute TBFmean yielded the lowest accuracy (sensitivity 85.7%, specificity 70.1%) by ROC analysis.\nConclusion: Parameters from ASL perfusion imaging, particularly TBFmax ratio, may be useful for distinguishing high-grade from low-grade astrocytoma in cases with equivocal conventional MRI findings.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Japanese Society for Magnetic Resonance in Medicine","subitem_publisher_language":"en"}]},"item_10001_rights_15":{"attribute_name":"権利情報","attribute_value_mlt":[{"subitem_rights":"This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives International License.","subitem_rights_language":"en"}]},"item_10001_source_id_9":{"attribute_name":"収録物ID","attribute_value_mlt":[{"subitem_source_identifier":"18802206","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"13473182","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"AA11648770","subitem_source_identifier_type":"NCID"}]},"item_10001_version_type_20":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_1715043197608":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access"}]},"item_1722929371688":{"attribute_name":"出版社版DOI","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_language":"ja","subitem_relation_name_text":"10.2463/mrms.mp.2017-0065"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.2463/mrms.mp.2017-0065","subitem_relation_type_select":"DOI"}}]},"item_1723180141928":{"attribute_name":"EID","attribute_value_mlt":[{"subitem_identifier_type":"URI","subitem_identifier_uri":"342480"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Khashbat, Delgerdalai","creatorNameLang":"en"}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":"","affiliationNameIdentifierScheme":"ISNI","affiliationNameIdentifierURI":"http://www.isni.org/isni/"}],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"原田, 雅史","creatorNameLang":"ja"},{"creatorName":"ハラダ, マサフミ","creatorNameLang":"ja-Kana"},{"creatorName":"Harada, Masafumi","creatorNameLang":"en"}],"familyNames":[{"familyName":"原田","familyNameLang":"ja"},{"familyName":"ハラダ","familyNameLang":"ja-Kana"},{"familyName":"Harada","familyNameLang":"en"}],"givenNames":[{"givenName":"雅史","givenNameLang":"ja"},{"givenName":"マサフミ","givenNameLang":"ja-Kana"},{"givenName":"Masafumi","givenNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1589","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"60159/profile-ja.html","nameIdentifierScheme":"徳島大学 教育研究者総覧","nameIdentifierURI":"http://pub2.db.tokushima-u.ac.jp/ERD/person/60159/profile-ja.html"},{"nameIdentifier":"20228654","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://nrid.nii.ac.jp/ja/search/?qm=20228654"}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":"","affiliationNameIdentifierScheme":"ISNI","affiliationNameIdentifierURI":"http://www.isni.org/isni/"}],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"阿部, 考志","creatorNameLang":"ja"},{"creatorName":"アベ, タカシ","creatorNameLang":"ja-Kana"},{"creatorName":"Abe, Takashi","creatorNameLang":"en"}],"familyNames":[{"familyName":"阿部","familyNameLang":"ja"},{"familyName":"アベ","familyNameLang":"ja-Kana"},{"familyName":"Abe","familyNameLang":"en"}],"givenNames":[{"givenName":"考志","givenNameLang":"ja"},{"givenName":"タカシ","givenNameLang":"ja-Kana"},{"givenName":"Takashi","givenNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"576","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"40645347","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://nrid.nii.ac.jp/ja/search/?qm=40645347"}]},{"creatorNames":[{"creatorName":"Ganbold, Mungunbagana","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"岩本, 誠司","creatorNameLang":"ja"},{"creatorName":"イワモト, セイジ","creatorNameLang":"ja-Kana"},{"creatorName":"Iwamoto, Seiji","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"宇山, 直人","creatorNameLang":"ja"},{"creatorName":"ウヤマ, ナオト","creatorNameLang":"ja-Kana"},{"creatorName":"Uyama, Naoto","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"苛原, 早保","creatorNameLang":"ja"},{"creatorName":"イラハラ, サホ","creatorNameLang":"ja-Kana"},{"creatorName":"Irahara, Saho","creatorNameLang":"en"}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":"","affiliationNameIdentifierScheme":"ISNI","affiliationNameIdentifierURI":"http://www.isni.org/isni/"}],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"音見, 暢一","creatorNameLang":"ja"},{"creatorName":"オトミ, ヨウイチ","creatorNameLang":"ja-Kana"},{"creatorName":"Otomi, Youichi","creatorNameLang":"en"}],"familyNames":[{"familyName":"音見","familyNameLang":"ja"},{"familyName":"オトミ","familyNameLang":"ja-Kana"},{"familyName":"Otomi","familyNameLang":"en"}],"givenNames":[{"givenName":"暢一","givenNameLang":"ja"},{"givenName":"ヨウイチ","givenNameLang":"ja-Kana"},{"givenName":"Youichi","givenNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"436","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"207541/profile-ja.html","nameIdentifierScheme":"徳島大学 教育研究者総覧","nameIdentifierURI":"http://pub2.db.tokushima-u.ac.jp/ERD/person/207541/profile-ja.html"},{"nameIdentifier":"50624110","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://nrid.nii.ac.jp/ja/search/?qm=50624110"}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":"","affiliationNameIdentifierScheme":"ISNI","affiliationNameIdentifierURI":"http://www.isni.org/isni/"}],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"影治, 照喜","creatorNameLang":"ja"},{"creatorName":"カゲジ, テルヨシ","creatorNameLang":"ja-Kana"},{"creatorName":"Kageji, Teruyoshi","creatorNameLang":"en"}],"familyNames":[{"familyName":"影治","familyNameLang":"ja"},{"familyName":"カゲジ","familyNameLang":"ja-Kana"},{"familyName":"Kageji","familyNameLang":"en"}],"givenNames":[{"givenName":"照喜","givenNameLang":"ja"},{"givenName":"テルヨシ","givenNameLang":"ja-Kana"},{"givenName":"Teruyoshi","givenNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1638","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"70294684","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://nrid.nii.ac.jp/ja/search/?qm=70294684"}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":"","affiliationNameIdentifierScheme":"ISNI","affiliationNameIdentifierURI":"http://www.isni.org/isni/"}],"affiliationNames":[{"affiliationName":"","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"永廣, 信治","creatorNameLang":"ja"},{"creatorName":"ナガヒロ, シンジ","creatorNameLang":"ja-Kana"},{"creatorName":"Nagahiro, Shinji","creatorNameLang":"en"}],"familyNames":[{"familyName":"永廣","familyNameLang":"ja"},{"familyName":"ナガヒロ","familyNameLang":"ja-Kana"},{"familyName":"Nagahiro","familyNameLang":"en"}],"givenNames":[{"givenName":"信治","givenNameLang":"ja"},{"givenName":"シンジ","givenNameLang":"ja-Kana"},{"givenName":"Shinji","givenNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"538","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"23218/profile-ja.html","nameIdentifierScheme":"徳島大学 教育研究者総覧","nameIdentifierURI":"http://pub2.db.tokushima-u.ac.jp/ERD/person/23218/profile-ja.html"},{"nameIdentifier":"60145315","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://nrid.nii.ac.jp/ja/search/?qm=60145315"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2021-11-29"}],"displaytype":"detail","filename":"mrms_17_4_277.pdf","filesize":[{"value":"3.2 MB"}],"format":"application/pdf","licensetype":"license_5","mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://tokushima-u.repo.nii.ac.jp/record/2009363/files/mrms_17_4_277.pdf"},"version_id":"065b049f-67d0-4f0d-96bd-cc6141c28c75"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"arterial spin labeling","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"astrocytoma grading","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"nonenhancing","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"perfusion","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Diagnostic Performance of Arterial Spin Labeling for Grading Nonenhancing Astrocytic Tumors","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Diagnostic Performance of Arterial Spin Labeling for Grading Nonenhancing Astrocytic Tumors","subitem_title_language":"en"}]},"item_type_id":"40001","owner":"7","path":["1713853295607"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2021-11-29"},"publish_date":"2021-11-29","publish_status":"0","recid":"2009363","relation_version_is_last":true,"title":["Diagnostic Performance of Arterial Spin Labeling for Grading Nonenhancing Astrocytic Tumors"],"weko_creator_id":"7","weko_shared_id":-1},"updated":"2025-01-29T10:21:51.133085+00:00"}