{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T15:44:48Z","timestamp":1777477488666,"version":"3.51.4"},"reference-count":28,"publisher":"SAGE Publications","issue":"9","license":[{"start":{"date-parts":[[2011,11,1]],"date-time":"2011-11-01T00:00:00Z","timestamp":1320105600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Acta Radiol"],"published-print":{"date-parts":[[2011,11]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Only a few studies have used in\/opposed phase method for a quantitative evaluation of fat fraction in the spine.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To compare multivoxel proton MR spectroscopy and chemical-shift gradient-echo MR imaging for bone marrow fat quantification in vertebral compression fractures (VCF).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and Methods<\/jats:title>\n                    <jats:p>Vertebral marrow fat quantification in fifteen patients was measured at 3.0-T. Multi-voxel proton spectroscopy (MRS) and in\/opposed-phase MR imaging using a fat map build with a triple-echo gradient-echo sequence was used. All the patients had benign vertebral collapse. Bone marrow fat content was evaluated by both techniques in compressed (acute or chronic) and in non-compressed vertebrae.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The percentage of fat fraction measured by the triple-echo sequence was well correlated with those calculated by MRS ( r\n                      <jats:sup>2<\/jats:sup>\n                      = 0.85; P &lt; 10\n                      <jats:sup>-4<\/jats:sup>\n                      ). There was a significant decrease of fat fraction in acute VCF versus both chronic VCF ( P &lt; 10\n                      <jats:sup>-9<\/jats:sup>\n                      ) and non-fractured vertebrae ( P &lt; 10\n                      <jats:sup>-7<\/jats:sup>\n                      ). There was no significant difference in fat fraction evaluated by both techniques between non-fractured vertebrae and chronic VCF.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>We have validated the in\/opposed phase method compared with MRS for vertebral bone marrow fat quantification. The fat mapping using a triple-echo gradient-echo sequence allows distinguishing acute and chronic benign VCF.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1258\/ar.2011.100412","type":"journal-article","created":{"date-parts":[[2011,9,24]],"date-time":"2011-09-24T04:42:35Z","timestamp":1316839355000},"page":"1032-1036","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":28,"title":["Bone marrow fat quantification of osteoporotic vertebral compression fractures: comparison of multi-voxel proton MR spectroscopy and chemical-shift gradient-echo MR imaging"],"prefix":"10.1177","volume":"52","author":[{"given":"Anne","family":"R\u00e9gis-Arnaud","sequence":"first","affiliation":[{"name":"Department of Radiology, University Hospital, Dijon;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Boris","family":"Guiu","sequence":"additional","affiliation":[{"name":"Department of Radiology, University Hospital, Dijon;"},{"name":"INSERM U866, University of Burgundy, Dijon;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paul-Michael","family":"Walker","sequence":"additional","affiliation":[{"name":"Imaging Group, Le2i, UMR CNRS 5158, University of Burgundy, Dijon;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Denis","family":"Kraus\u00e9","sequence":"additional","affiliation":[{"name":"Department of Radiology, University Hospital, Dijon;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fr\u00e9d\u00e9ric","family":"Ricolfi","sequence":"additional","affiliation":[{"name":"Department of Neuroradiology, University Hospital, Dijon;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Douraied Ben","family":"Salem","sequence":"additional","affiliation":[{"name":"Department of Neuroradiology, University Hospital, Brest;"},{"name":"EA3878, groupe d'\u00e9tude de la thrombose de Bretagne occidentale (GETBO), University Hospital of Brest, H\u00f4pital de la Cavale Blanche, Brest, France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2011,11,1]]},"reference":[{"key":"bibr1-AR.2011.100412","doi-asserted-by":"publisher","DOI":"10.1093\/oxfordjournals.aje.a115204"},{"key":"bibr2-AR.2011.100412","doi-asserted-by":"publisher","DOI":"10.1080\/02841850802165776"},{"key":"bibr3-AR.2011.100412","doi-asserted-by":"publisher","DOI":"10.1097\/00004728-199001000-00020"},{"key":"bibr4-AR.2011.100412","first-page":"337","volume":"9","author":"Czerwi\u0144ski E","year":"2007","journal-title":"Ortop Traumatol Rehabil"},{"key":"bibr5-AR.2011.100412","doi-asserted-by":"publisher","DOI":"10.1007\/s00256-010-0936-y"},{"key":"bibr6-AR.2011.100412","first-page":"1620","volume":"22","author":"Schellinger D","year":"2001","journal-title":"Am J 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