{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T12:19:43Z","timestamp":1792153183928,"version":"4.4.0"},"reference-count":31,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2017,1,5]],"date-time":"2017-01-05T00:00:00Z","timestamp":1483574400000},"content-version":"vor","delay-in-days":4,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Colorectal Disease"],"published-print":{"date-parts":[[2017,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>This study compared the diagnostic capabilities of dynamic magnetic resonance defaecography (D\u2010<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content>) with conventional defaecography (<jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content>, reference standard) in patients with symptoms of prolapse of the posterior compartment of the pelvic floor.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>Forty\u2010five consecutive patients underwent <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content> and D\u2010<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content>. Outcome measures were the presence or absence of rectocele, enterocele, intussusception, rectal prolapse and the descent of the anorectal junction on straining, measured in millimetres. Cohen's Kappa, sensitivity, specificity, positive predictive value (<jats:styled-content style=\"fixed-case\">PPV<\/jats:styled-content>), negative predictive value (<jats:styled-content style=\"fixed-case\">NPV<\/jats:styled-content>) and the positive and negative likelihood ratio of D\u2010<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> were compared with <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content>. Cohen's Kappa and Pearson's correlation coefficient were calculated and regression analysis was performed to determine inter\u2010observer agreement.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Forty\u2010one patients were available for analysis. D\u2010<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> underreported rectocele formation with a difference in prevalence (<jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content> 77.8% <jats:italic>vs<\/jats:italic> D\u2010<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> 55.6%), mean protrusion (26.4 <jats:italic>vs<\/jats:italic> 22.7\u00a0mm, <jats:italic>P\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>0.039) and 11 false negative results, giving a low sensitivity of 0.62 and a <jats:styled-content style=\"fixed-case\">NPV<\/jats:styled-content> of 0.31. For the diagnosis of enterocele, D\u2010<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> was inferior to <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content>, with five false negative results, giving a low sensitivity of 0.17 and high specificity (1.0) and <jats:styled-content style=\"fixed-case\">PPV<\/jats:styled-content> (1.0). Nine false positive intussusceptions were seen on D\u2010<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> with only two missed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The accuracy of D\u2010<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> for diagnosing rectocele and enterocele is less than that of <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content>. D\u2010<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content>, however, appears superior to <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content> in identifying intussusception. D\u2010<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">CD<\/jats:styled-content> are complementary imaging techniques in the evaluation of patients with symptoms of prolapse of the posterior compartment.<\/jats:p><\/jats:sec>","DOI":"10.1111\/codi.13563","type":"journal-article","created":{"date-parts":[[2016,11,21]],"date-time":"2016-11-21T13:53:04Z","timestamp":1479736384000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["Comparison of dynamic magnetic resonance defaecography with rectal contrast and conventional defaecography for posterior pelvic floor compartment prolapse"],"prefix":"10.1111","volume":"19","author":[{"given":"J. J.","family":"van Iersel","sequence":"first","affiliation":[{"name":"Department of Surgery Meander Medical Centre Amersfoort The Netherlands"},{"name":"Institute of Technical Medicine Twente University Enschede The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H. A.","family":"Formijne Jonkers","sequence":"additional","affiliation":[{"name":"Department of Surgery Meander Medical Centre Amersfoort The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P. M.","family":"Verheijen","sequence":"additional","affiliation":[{"name":"Department of Surgery Meander Medical Centre Amersfoort The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"I. A. M. J.","family":"Broeders","sequence":"additional","affiliation":[{"name":"Department of Surgery Meander Medical Centre Amersfoort The Netherlands"},{"name":"Institute of Technical Medicine Twente University Enschede The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B. G. F.","family":"Heggelman","sequence":"additional","affiliation":[{"name":"Department of Radiology Meander Medical Centre Amersfoort The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"V.","family":"Sreetharan","sequence":"additional","affiliation":[{"name":"Department of Surgery Meander Medical Centre Amersfoort The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. J.","family":"F\u00fctterer","sequence":"additional","affiliation":[{"name":"Department of Radiology Radboud University Nijmegen Medical Centre Nijmegen The Netherlands"},{"name":"MIRA Twente University Enschede The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"I.","family":"Somers","sequence":"additional","affiliation":[{"name":"Department of Radiology Meander Medical Centre Amersfoort The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"van der Leest","sequence":"additional","affiliation":[{"name":"Department of Radiology Radboud University Nijmegen Medical Centre Nijmegen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E. C. 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