{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T00:35:31Z","timestamp":1777509331361,"version":"3.51.4"},"reference-count":27,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2025,2,23]],"date-time":"2025-02-23T00:00:00Z","timestamp":1740268800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"Beijing Municipal Natural Science Foundation","award":["(Grant No. 7244513 & 7222316)"],"award-info":[{"award-number":["(Grant No. 7244513 & 7222316)"]}]},{"name":"National High-Level Hospital Clinical Research Funding.","award":["(Grant No. 2022-NHLHCRF-PY-17)"],"award-info":[{"award-number":["(Grant No. 2022-NHLHCRF-PY-17)"]}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["(Grant No. 82202288)"],"award-info":[{"award-number":["(Grant No. 82202288)"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Elite Medical Professionals Project of China-Japan Friendship Hospital","award":["(Grant No. ZRJY2021-BJ05)."],"award-info":[{"award-number":["(Grant No. ZRJY2021-BJ05)."]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Acta Radiol"],"published-print":{"date-parts":[[2025,5]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Identification and staging of rectal cancer are mainly based on the difference in signal intensity (SI) between the tumor and normal structures of the intestinal wall on T2-weighted imaging. However, differentiating stage pT0\u2013T1 from pT2 rectal tumors is difficult using routine magnetic resonance imaging (MRI) sequences.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To summarize and explore whether MRI findings from routine imaging can help differentiate pT0\u2013T1 from pT2 rectal tumors.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and Methods<\/jats:title>\n                    <jats:p>A total of 110 patients with pT0\u2013T2 rectal cancer underwent preoperative pelvic MRI examinations and tumor resection without preoperative chemoradiotherapy. MRI findings of rectal lesions (including tumor location, shape, longitudinal length, maximum cross-section, submucosal high intensity [SHI], extramural fibrotic scarring, wall shrinkage, lesion-to-wall signal intensity ratio, and presence of lymph node with short axis over 3\u2005mm) and clinical characteristics were analyzed by univariate and multivariate analyses to screen the independent factors associated with pathological results.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Of all the lesions, 32 tumors were proved to be pT0\u2013T1 and 78 tumors were pT2. Univariate and multivariate logistic regression analyses revealed that tumor shape (odds ratio [OR]\u2009=\u200924.607,\n                      <jats:italic>P\u2009<\/jats:italic>\n                      &lt;\u20090.001), SHI (OR\u2009=\u20096.129,\n                      <jats:italic>P\u2009<\/jats:italic>\n                      =\u20090.002), and extramural fibrotic scarring (OR\u2009=\u20090.110,\n                      <jats:italic>P\u2009<\/jats:italic>\n                      =\u20090.007) were independent factors distinguishing pT0\u2013T1 tumors from pT2 tumors. If the rectal lesion has a cauliflower-like shape with SHI and no extramural fibrotic scarring, it is more likely to be a pT0\u2013T1 tumor.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The imaging features obtained from the routine MRI sequence showed potential value for differentiating pT0\u2013T1 from pT2 rectal tumors.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/02841851251316435","type":"journal-article","created":{"date-parts":[[2025,2,24]],"date-time":"2025-02-24T01:57:58Z","timestamp":1740362278000},"page":"558-566","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Stage pT0\u2013T1 rectal cancers: emphasis on submucosal high intensity on high-resolution T2-weighted imaging and other morphological features"],"prefix":"10.1177","volume":"66","author":[{"given":"Tongyin","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Radiology, China-Japan Friendship Hospital, Beijing, PR China"},{"name":"Graduate School, Chinese Academy of Medical Science &amp; Peking Union Medical College, Beijing, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuwan","family":"Hu","sequence":"additional","affiliation":[{"name":"Department of Radiology, China-Japan Friendship Hospital, Beijing, PR China"},{"name":"Graduate School, Chinese Academy of Medical Science &amp; Peking Union Medical College, Beijing, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haoyu","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Radiology, China-Japan Friendship Hospital, Beijing, PR China"},{"name":"Graduate School, Chinese Academy of Medical Science &amp; Peking Union Medical College, Beijing, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juan","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Radiology, Civil Aviation General Hospital, Beijing, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qiaoyu","family":"Xu","sequence":"additional","affiliation":[{"name":"Department of Radiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanyan","family":"Xu","sequence":"additional","affiliation":[{"name":"Department of Radiology, China-Japan Friendship Hospital, Beijing, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5757-752X","authenticated-orcid":false,"given":"Hongliang","family":"Sun","sequence":"additional","affiliation":[{"name":"Department of Radiology, China-Japan Friendship Hospital, Beijing, PR China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2025,2,23]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1148\/rg.2019180114"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.3748\/wjg.v20.i43.16178"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1111\/codi.14340"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.suc.2020.02.014"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1097\/DCR.0000000000002241"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.2214\/AJR.14.14201"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.5152\/dir.2019.18189"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.3748\/wjg.v20.i15.4244"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00330-017-5026-2"},{"key":"e_1_3_2_11_2","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.2020201416"},{"key":"e_1_3_2_12_2","doi-asserted-by":"crossref","unstructured":"Xu Y Xu Q Sun H et al. 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