{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T14:25:06Z","timestamp":1780410306284,"version":"3.54.1"},"reference-count":28,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T00:00:00Z","timestamp":1778112000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100009708","name":"Novo Nordisk Fonden","doi-asserted-by":"publisher","award":["NFF20OC0062056"],"award-info":[{"award-number":["NFF20OC0062056"]}],"id":[{"id":"10.13039\/501100009708","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100012774","name":"Innovationsfonden","doi-asserted-by":"publisher","award":["1044-00015B"],"award-info":[{"award-number":["1044-00015B"]}],"id":[{"id":"10.13039\/100012774","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Acta Radiol"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Beam-hardening artefacts and image noise are very common causes of reduced image quality with computed tomography (CT) imaging of the lower pelvis and perirenal area affecting precision of diagnoses in urogenital imaging.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To investigate whether photon-counting CT (PCCT) improves image quality and\/or reduces beam-hardening artefacts in the lower pelvis and in the perirenal area compared to energy-integrating CT (EIDCT).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and Methods<\/jats:title>\n                    <jats:p>\n                      We retrospectively identified 35 patients scanned using both EIDCT and PCCT. Four radiologists read both PCCT and EIDCT images. Readers evaluated image quality both subjectively and quantitatively over the left medial perirenal fat and the urinary bladder. Continuous data were compared with a paired\n                      <jats:italic toggle=\"yes\">t<\/jats:italic>\n                      -test and ordinal data with a Wilcoxon signed rank test.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Image quality ratings were higher with PCCT compared to EIDCT. Median scores for the left medial perirenal fat were 5 (interquartile range [IQR] = 4\u20135) for PCCT and 3 (IQR = 3\u20134) for EIDCT (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009&lt;0.001) and for the lower pelvis 5 (IQR = 4\u20135) for PCCT and 3 (IQR = 2\u20134) for EIDCT (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009&lt;0.001). Image noise was significantly lower in PCCT scans compared to EIDCT scans (urinary bladder 11.9 HU vs. 17.8 HU,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009&lt;0.001; left medial perirenal fat 15.6 HU vs. 22.5 HU,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009&lt;0.001). Mean dose-length-product was significantly lower in the PCCT scans with a dose reduction of reduction 21.2% (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009&lt;0.001).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Beam-hardening artefacts were considerable reduced and image noise was significantly lower with PCCT compared to EIDCT at significantly reduced radiation doses. This could have potential implications in the radiological assessment of urogenital diseases.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/02841851261445935","type":"journal-article","created":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T12:19:15Z","timestamp":1778156355000},"page":"540-547","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Reduced beam hardening in urogenital imaging with photon-counting CT: a retrospective direct comparison with conventional CT"],"prefix":"10.1177","volume":"67","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7051-0784","authenticated-orcid":false,"given":"Erik Gudmann Steuble","family":"Brandt","sequence":"first","affiliation":[{"name":"Copenhagen University Hospital"},{"name":"Siemens Healthcare A\/S, Ballerup, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Felix Christoph","family":"M\u00fcller","sequence":"additional","affiliation":[{"name":"Copenhagen University Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yousef JW","family":"Nielsen","sequence":"additional","affiliation":[{"name":"Copenhagen University Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anne Marie","family":"Ewald","sequence":"additional","affiliation":[{"name":"Copenhagen University Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bulat","family":"Ibragimov","sequence":"additional","affiliation":[{"name":"University of Copenhagen"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2409-9725","authenticated-orcid":false,"given":"Henrik","family":"Thomsen","sequence":"additional","affiliation":[{"name":"Copenhagen University Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anders","family":"Rodell","sequence":"additional","affiliation":[{"name":"Siemens Healthcare A\/S, Ballerup, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael Brun","family":"Andersen","sequence":"additional","affiliation":[{"name":"Copenhagen University Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,5,7]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1148\/rg.2021200202"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.3390\/tomography9030075"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.3390\/cancers16101926"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.suc.2024.02.012"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ucl.2024.07.011"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejrad.2023.110717"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.2214\/AJR.16.16013"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.10092086"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1186\/s41747-021-00217-1"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1111\/1754-9485.13363"},{"key":"e_1_3_3_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejrad.2023.110829"},{"key":"e_1_3_3_13_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.2018172656"},{"key":"e_1_3_3_14_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00330-023-09596-y"},{"key":"e_1_3_3_15_2","doi-asserted-by":"publisher","DOI":"10.3390\/tomography8040138"},{"key":"e_1_3_3_16_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.2018180126"},{"key":"e_1_3_3_17_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11547-024-01801-2"},{"key":"e_1_3_3_18_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00330-024-10675-x"},{"key":"e_1_3_3_19_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.220919"},{"key":"e_1_3_3_20_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejrad.2024.111736"},{"key":"e_1_3_3_21_2","doi-asserted-by":"publisher","DOI":"10.1097\/RLI.0000000000000948"},{"key":"e_1_3_3_22_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.230803"},{"key":"e_1_3_3_23_2","doi-asserted-by":"publisher","DOI":"10.1186\/s12880-024-01419-w"},{"key":"e_1_3_3_24_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.213260"},{"key":"e_1_3_3_25_2","first-page":"73","article-title":"Evaluation of incidental findings on abdominopelvic CT: potential benefit of photon-counting detector CT over conventional single-energy CT","volume":"49","author":"Ichikawa T","year":"2024","unstructured":"Ichikawa T, Yamamuro H, Kobayashi M, et al. 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