{"created":"2024-10-23T10:21:11.956921+00:00","id":2002251,"links":{},"metadata":{"_buckets":{"deposit":"8624e93f-63dc-4d58-8a09-12d172531bba"},"_deposit":{"created_by":7,"id":"2002251","owners":[7],"pid":{"revision_id":0,"type":"depid","value":"2002251"},"status":"published"},"_oai":{"id":"oai:tokushima-u.repo.nii.ac.jp:02002251","sets":["1713829974766:1713854681789:1716364516449:1716365580232","1713853213384:1713853295607"]},"author_link":["436","1589","1642"],"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2013-02","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1-2","bibliographicPageEnd":"126","bibliographicPageStart":"121","bibliographicVolumeNumber":"60","bibliographic_titles":[{"bibliographic_title":"The journal of medical investigation : JMI","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Objective : To evaluate the usefulness of 201Tl-SPECT in differentiating benign from malignant brain tumors. Methods and Materials : Eighty-eight patients (44 males and 44 females) with 58 high-grade (WHO grade III-IV) and 30 low-grade (WHO grade III) tumors were evaluated with 201Tl-SPECT. (1) Visual assessment was performed by board-certificated radiologists using 201Tl-SPECT. Tumors were classified in two groups (Tl-positive and Tl-negative) and scored using the five grade evaluation system. Receiver operating characteristic (ROC) analysis was performed in the Tl-positive group. (2) Semi-quantitative assessment involved measurement of early and delayed 201Tl uptake, and the retention index (RI) was applied as follows : RI=delayed uptake ratio/early uptake ratio. Three combinations of RI using mean and maximum values of the region of interest were calculated. Results : (1) Seventy-four Tl-positive and 14 Tl-negative tumors. The area under the ROC curve (AUC) estimated by three radiologists exceeded a value of 0.7. The value was greater when estimated by the more experienced radiologist. (2) In all RIs, the difference of RI between high-grade tumors and low-grade tumors was statistically significant. Conclusion : A visual and semi-quantitative assessment using 201Tl-SPECT was found to be useful for differentiating benign from malignant brain tumors.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10001_source_id_9":{"attribute_name":"収録物ID","attribute_value_mlt":[{"subitem_source_identifier":"13431420","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"AA11166929","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 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