{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T02:06:45Z","timestamp":1787191605999,"version":"build-2736575974"},"reference-count":20,"publisher":"SAGE Publications","issue":"8","license":[{"start":{"date-parts":[[2015,8,1]],"date-time":"2015-08-01T00:00:00Z","timestamp":1438387200000},"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":[[2015,8]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Relaxation time of female reproductive organs affects the tissue contrast of magnetic resonance image (MRI), and is used for quantitative analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To evaluate the relaxation times of normal female reproductive organs in the luteal phase of the menstrual cycle.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and Methods<\/jats:title>\n                    <jats:p>On a 1.5-T MRI, relaxation times were measured in pelvic tissues (endometrium, junctional zone, myometrium, follicle, and stroma) of 32 female healthy volunteers (33.5\u2009\u00b1\u20096.8 years). The Look\u2013Locker sequence was used to measure T1 relaxation times. Furthermore, a multiple spin-echo method with 32 different echo times was used to measure T2 relaxation times. The images were obtained in the luteal phase of each volunteer\u2019s menstrual cycle.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The measured relaxation times (means\u2009\u00b1\u2009standard deviations) were as follows: endometrium (T1, 1703\u2009\u00b1\u2009147\u2009ms; T2, 214\u2009\u00b1\u200935\u2009ms), junctional zone (T1, 1168\u2009\u00b1\u200963\u2009ms; T2, 72\u2009\u00b1\u200912\u2009ms), myometrium (T1, 1314\u2009\u00b1\u2009103\u2009ms; T2, 138\u2009\u00b1\u200920\u2009ms), follicle (T1, 2267\u2009\u00b1\u2009249\u2009ms; T2, 603\u2009\u00b1\u200968\u2009ms), and stroma (T1, 1481\u2009\u00b1\u2009129\u2009ms; T2, 126\u2009\u00b1\u200929\u2009ms).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Reliable MRI measurements of T1 and T2 relaxation times of normal female reproductive organs in the luteal phase of the menstrual cycle are useful as references to recognize the normal value.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/0284185114542367","type":"journal-article","created":{"date-parts":[[2014,9,11]],"date-time":"2014-09-11T01:12:27Z","timestamp":1410397947000},"page":"997-1001","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":12,"title":["Magnetic resonance imaging relaxation times of female reproductive organs"],"prefix":"10.1177","volume":"56","author":[{"given":"Yasuo","family":"Takatsu","sequence":"first","affiliation":[{"name":"Department of Radiology, Osaka Red Cross Hospital, Osaka, Japan"},{"name":"Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tsutomu","family":"Okada","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tosiaki","family":"Miyati","sequence":"additional","affiliation":[{"name":"Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Koyama","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Radiology, Kurashiki Central Hospital, Okayama, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2015,8,1]]},"reference":[{"key":"bibr1-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1063\/1.1684482"},{"key":"bibr3-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1002\/mrm.1910070104"},{"key":"bibr4-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1522-2594(199907)42:1<206::AID-MRM28>3.0.CO;2-Q"},{"key":"bibr5-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1016\/S0730-725X(99)00025-9"},{"key":"bibr6-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1006\/nimg.2001.0886"},{"key":"bibr7-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1002\/mrm.20110"},{"key":"bibr8-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1002\/jmri.21243"},{"key":"bibr9-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1002\/jmri.1880020512"},{"key":"bibr10-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1002\/mrm.1910370107"},{"key":"bibr11-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1016\/S0730-725X(99)00144-7"},{"key":"bibr12-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1002\/mrm.21005"},{"key":"bibr13-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1016\/0720-048X(93)90003-6"},{"key":"bibr14-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1002\/jmri.21061"},{"key":"bibr15-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1002\/jmri.20784"},{"key":"bibr16-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.161.2.3532190"},{"key":"bibr17-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2004.07.032"},{"key":"bibr18-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.2351031283"},{"key":"bibr19-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1002\/jmri.10415"},{"key":"bibr20-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1002\/jmri.20842"},{"key":"bibr21-0284185114542367","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.2303021331"}],"container-title":["Acta Radiologica"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0284185114542367","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/0284185114542367","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0284185114542367","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T15:18:46Z","timestamp":1777389526000},"score":1,"resource":{"primary":{"URL":"http:\/\/journals.sagepub.com\/doi\/10.1177\/0284185114542367"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,8]]},"references-count":20,"journal-issue":{"issue":"8","published-print":{"date-parts":[[2015,8]]}},"alternative-id":["10.1177\/0284185114542367"],"URL":"https:\/\/doi.org\/10.1177\/0284185114542367","relation":{},"ISSN":["0284-1851","1600-0455"],"issn-type":[{"value":"0284-1851","type":"print"},{"value":"1600-0455","type":"electronic"}],"subject":[],"published":{"date-parts":[[2015,8]]}}}