{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,3]],"date-time":"2025-10-03T09:11:48Z","timestamp":1759482708763,"version":"3.40.5"},"reference-count":27,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2023,9,23]],"date-time":"2023-09-23T00:00:00Z","timestamp":1695427200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100016058","name":"Townsville Hospital and Health Service","doi-asserted-by":"publisher","award":["SERTA 2019_04"],"award-info":[{"award-number":["SERTA 2019_04"]}],"id":[{"id":"10.13039\/501100016058","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Medical Radiation Sci"],"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>The magnetic resonance linear accelerator (MRL) combines both magnetic resonance imaging and a linear accelerator, allowing for daily treatment adaptation. This study aimed to assess the impact of radiologist\u2010delivered training in magnetic resonance (MR) contouring of relevant structures within the male pelvis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Two radiation oncologists, two radiation oncology registrars and seven radiation therapists completed contouring on 10 male pelvis MR datasets both pre\u2010 and post\u2010training. A 2\u2010hour MR anatomy training session was delivered by a radiologist, who also provided the \u2018gold standard\u2019 contours. The pre\u2010 and post\u2010training contours were compared against the gold standard with Dice similarity coefficient (DSC) and Hausdorff distances calculated; and the pre\u2010 and post\u2010confidence scores and timing were compared.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The improvement in DSC were significant in prostate, rectum and seminal vesicles, with a post\u2010training median DSC of 0.87\u2009\u00b1\u20090.06, 0.92\u2009\u00b1\u20090.04 and 0.80\u2009\u00b1\u20090.14, respectively. The median Hausdorff improved with a median of 1.46\u2009\u00b1\u20090.78\u2009mm, 0.52\u2009\u00b1\u20090.32\u2009mm and 1.11\u2009\u00b1\u20090.86\u2009mm for prostate, rectum and seminal vesicles, respectively. Bladder concordance was high both pre\u2010 and post\u2010training. Urethra contours improved post\u2010training, however, remained difficult to contour with a median post\u2010DSC of 0.51\u2009\u00b1\u20090.24. Overall, confidence scoring improved (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001) and timing decreased by an average of 4.4\u2009\u00b1\u200916.4\u2009min post\u2010training.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Radiologist\u2010delivered training improved concordance of male pelvis contouring on MR datasets. Further work is required in the identification of urethra on MRs. These findings are of importance in the MRL adaptive workflow.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmrs.727","type":"journal-article","created":{"date-parts":[[2023,9,23]],"date-time":"2023-09-23T09:10:26Z","timestamp":1695460226000},"page":"114-122","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Improvement in male pelvis magnetic resonance image contouring following radiologist\u2010delivered training"],"prefix":"10.1002","volume":"71","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3739-2223","authenticated-orcid":false,"given":"Bronwyn","family":"Oar","sequence":"first","affiliation":[{"name":"Townsville University Hospital  Townsville Queensland Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4520-2485","authenticated-orcid":false,"given":"Amy","family":"Brown","sequence":"additional","affiliation":[{"name":"Townsville University Hospital  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