{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,25]],"date-time":"2026-07-25T14:44:10Z","timestamp":1784990650576,"version":"3.55.0"},"reference-count":17,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2004,11,19]],"date-time":"2004-11-19T00:00:00Z","timestamp":1100822400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2004,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To compare normal vertebrae with vertebrae with neoplastic compression fractures by means of opposed\u2010phase (OP) and in\u2010phase (IP) gradient\u2010echo (GRE) imaging.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>On OP and IP T1\u2010W GRE images (obtained at 1.5 T with the fast low\u2010angle shot (FLASH) technique) of dual\u2010phase chemical shift sequences, we compared the signal intensity ratios (SIRs) of normal and compression\u2010fractured vertebrae in 108 patients. Dual\u2010phase chemical shift sequences were measured in three groups of vertebral bone marrow in terms of the relative SIR in OP and IP images: group 1: normal vertebrae (<jats:italic>N<\/jats:italic> = 30 with 90 vertebrae); group 2: non\u2010neoplastic compression\u2010fractured vertebrae (<jats:italic>N<\/jats:italic> = 58 with 73 vertebrae); and group 3: neoplastic compression\u2010fractured vertebrae (<jats:italic>N<\/jats:italic> = 20 with 27 vertebrae). The presence of compressed vertebrae was ascertained based on the consensus of two experienced radiologists. The mean SIRs among the three groups were compared by means of the Tukey\u2010Kramer test.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The mean SIRs of the three groups (group 1: 0.46 \u00b1 0.14; group 2: 0.63 \u00b1 0.21; and group 3: 1.02 \u00b1 0.11) were significantly different according to the Tukey\u2010Kramer test (<jats:italic>P<\/jats:italic> &lt; 0.01).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>OP and IP T1\u2010W GRE MRI of vertebral SI abnormalities can help predict the nature of compression fractures. J. Magn. Reson. Imaging 2004;20:1020\u20131024. \u00a9 2004 Wiley\u2010Liss, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmri.20213","type":"journal-article","created":{"date-parts":[[2004,11,19]],"date-time":"2004-11-19T22:50:55Z","timestamp":1100904655000},"page":"1020-1024","source":"Crossref","is-referenced-by-count":50,"title":["Vertebral neoplastic compression fractures: Assessment by dual\u2010phase chemical shift imaging"],"prefix":"10.1002","volume":"20","author":[{"given":"Kozawa","family":"Eito","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Saito","family":"Waka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nishi","family":"Naoko","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Arnanuma","family":"Makoto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heshiki","family":"Atsuko","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2004,11,19]]},"reference":[{"key":"e_1_2_5_2_2","first-page":"40","article-title":"Pathophysiologic aspects of the bone\/marrow\/fat relationship","volume":"21","author":"Politis C","year":"1983","journal-title":"Lab Management"},{"key":"e_1_2_5_3_2","first-page":"792","article-title":"The anatomy of the bone marrow: with special reference to the distribution of the red marrow","volume":"28","author":"Piney A","year":"1922","journal-title":"BMJ"},{"key":"e_1_2_5_4_2","doi-asserted-by":"publisher","DOI":"10.1159\/000206782"},{"key":"e_1_2_5_5_2","first-page":"85","volume-title":"International commission on radiological protection. 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