{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T16:55:18Z","timestamp":1792688118849,"version":"4.5.0"},"reference-count":40,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2022,3,5]],"date-time":"2022-03-05T00:00:00Z","timestamp":1646438400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["2018R1C1B5086585"],"award-info":[{"award-number":["2018R1C1B5086585"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2022,11]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Structural lesion evaluation in axial spondyloarthropathy (SpA) can improve accuracy of diagnosis. However, structural lesions (bone erosions) are difficult to be assessed using conventional MRI compared to computed tomography (CT).<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To evaluate the diagnostic performance of ultrashort echo time (UTE) for detecting bone erosion in axial SpA compared to T1WI and three\u2010dimensional double\u2010echo steady\u2010state (3D DESS) imaging using CT as the reference standard.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Type<\/jats:title><jats:p>Retrospective.<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>Fourteen patients (eight females, 57.1%) and 14 healthy controls (seven females, 50.0%) who underwent sacroiliac (SI) joint MRI and CT.<\/jats:p><\/jats:sec><jats:sec><jats:title>Field Strength\/Sequence<\/jats:title><jats:p>3\u2009T; TSE T1WI, 3D DESS, 2D UTE.<\/jats:p><\/jats:sec><jats:sec><jats:title>Assessment<\/jats:title><jats:p>The bilateral SI joints were assessed for bone erosion. Three observers scored bone erosion for all three sequences of MRI. CT was used as the gold standard. Diagnostic confidence in axial SpA was measured based on a four\u2010point confidence score.<\/jats:p><\/jats:sec><jats:sec><jats:title>Statistical Tests<\/jats:title><jats:p>Correlation of erosion scores between CT and MRI were evaluated using Spearman's correlation test. Sensitivity, specificity, and positive\u2013negative predictive values were calculated. Confidence scores were compared using the Wilcoxon sum rank test. Statistical significance was set at <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Compared with erosion scores of CT, the correlation coefficients for each MRI sequence showed significant low\u2010to\u2010high positive correlations (0.39\u20130.72). UTE imaging showed the highest correlation coefficients for all observers (0.70, 0.72, and 0.67, respectively). The specificity of UTE imaging was equal or higher than those of T1WI and 3D DESS for all observers (0.86 vs. 0.71 vs. 0.57; 0.93 vs. 0.71 vs. 0.57; 0.79 vs. 0.79 vs. 0.43). All observers had the highest confidence in interpreting UTE imaging for detecting bone erosion among the three sequences (3.5, 3.4, and 3.3 for UTE; 3.1, 3.0, and 2.6 for T1WI; and 3.2, 2.7, and 2.4 for DESS).<\/jats:p><\/jats:sec><jats:sec><jats:title>Data Conclusion<\/jats:title><jats:p>UTE imaging can detect bone erosions in patients with axial SpA and show higher specificity than conventional T1WI and 3D DESS.<\/jats:p><\/jats:sec><jats:sec><jats:title>Evidence Level<\/jats:title><jats:p>4<\/jats:p><\/jats:sec><jats:sec><jats:title>Technical Efficacy<\/jats:title><jats:p>Stage 2<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmri.28110","type":"journal-article","created":{"date-parts":[[2022,3,5]],"date-time":"2022-03-05T13:54:53Z","timestamp":1646488493000},"page":"1580-1590","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Can Bone Erosion in Axial Spondyloarthropathy be Detected by Ultrashort Echo Time Imaging? A Comparison With Computed Tomography in the Sacroiliac Joint"],"prefix":"10.1002","volume":"56","author":[{"given":"Seok","family":"Hahn","sequence":"first","affiliation":[{"name":"Department of Radiology Inje University Haeundae Paik Hospital  Busan Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ji Soo","family":"Song","sequence":"additional","affiliation":[{"name":"Department of Radiology Jeonbuk National University Hospital  Jeonju Republic of Korea"},{"name":"Research Institute of Clinical Medicine of Jeonbuk National University\u2010Biomedical Research Institute of Jeonbuk National University Hospital  Jeonju Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2339-4327","authenticated-orcid":false,"given":"Eun Jung","family":"Choi","sequence":"additional","affiliation":[{"name":"Department of Radiology Jeonbuk National University Hospital  Jeonju Republic of Korea"},{"name":"Research Institute of Clinical Medicine of Jeonbuk National University\u2010Biomedical Research Institute of Jeonbuk National University Hospital  Jeonju Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jang Gyu","family":"Cha","sequence":"additional","affiliation":[{"name":"Department of Radiology Soonchunhyang University Bucheon Hospital  Bucheon\u2010si Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yunjung","family":"Choi","sequence":"additional","affiliation":[{"name":"Research Institute of Clinical Medicine of Jeonbuk National University\u2010Biomedical Research Institute of Jeonbuk National University Hospital  Jeonju Republic of Korea"},{"name":"Division of Rheumatology, Department of Internal Medicine Jeonbuk National University Medical School  Jeonju Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Young","family":"Ju Song","sequence":"additional","affiliation":[{"name":"Department of Radiology Jeonbuk National University Hospital  Jeonju Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4437-8358","authenticated-orcid":false,"given":"InSeong","family":"Kim","sequence":"additional","affiliation":[{"name":"Siemens Healthineers Ltd.  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