{"created":"2024-12-12T01:03:00.668886+00:00","id":2008936,"links":{},"metadata":{"_buckets":{"deposit":"9883ea6e-98b3-4233-9524-1b186839cbd7"},"_deposit":{"created_by":7,"id":"2008936","owners":[7],"pid":{"revision_id":0,"type":"depid","value":"2008936"},"status":"published"},"_oai":{"id":"oai:tokushima-u.repo.nii.ac.jp:02008936","sets":["1713829974766:1713854681789:1716364513618:1716365191599","1713853213384:1713853295607"]},"author_link":["278","904","551","941","1162","1543","832"],"item_10001_alternative_title_1":{"attribute_name":"タイトル別表記","attribute_value_mlt":[{"subitem_alternative_title":"MRI of Early-Stage Lumbar Spondylolysis","subitem_alternative_title_language":"en"}]},"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2021-02","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1-2","bibliographicPageEnd":"139","bibliographicPageStart":"136","bibliographicVolumeNumber":"68","bibliographic_titles":[{"bibliographic_title":"The Journal of Medical Investigation","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Purpose : To analyze extraosseous signal changes (ESCs) on magnetic resonance imaging (MRI) in pediatric patients with stress fractures occurring in the lamina. Methods : This study was a retrospective review of 69 consecutive pediatric patients with stress fractures occurring in the lamina. We analyzed MRI scans obtained at the first presentation. Results : We used mainly axial short tau inversion recovery images acquired through the pedicle of these 84 fracture sites to identify the ESCs. These were then divided into three groups: “invisible” when no ESC was detected, “periosteal” for ESC seen on only the dorsal side of the lamina, and “perimuscular” for ESC distinctly spread around / in the paravertebral muscles. In total, 78 (92.9%) fracture sites showed ESCs on the dorsal side of the lamina among which 72 ESCs were located on only the “dorsal” side, while 6 ESCs were on the ventral side against the transverse process. Conclusion : ESCs on MRI were detected in more than 90% of patients before stress fracture became apparent in the lamina, which was considered similar to findings of periosteal thickening / edema detected at the onset of stress fracture in long bone.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Tokushima University Faculty of 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