{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,20]],"date-time":"2025-12-20T22:15:24Z","timestamp":1766268924650,"version":"3.37.3"},"reference-count":8,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2018,11,29]],"date-time":"2018-11-29T00:00:00Z","timestamp":1543449600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["IJU Case Reports"],"published-print":{"date-parts":[[2019,1]]},"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p>To clarify the mechanisms responsible for running\u2010induced asymptomatic gross hematuria.<\/jats:p><\/jats:sec><jats:sec><jats:title>Case presentation<\/jats:title><jats:p>We identified 12 patients who visited our outpatient clinic with hematuria after running as a chief complaint. In 9 of 12 patients (75%), cystoscopic findings revealed mucosal contusions at the center of the posterior wall. Our examination including cystoscopy and magnetic resonance imaging revealed that this bladder contusion development was caused by the repeated contact of the bladder posterior wall against the fixed bladder neck by vertical motion in the empty bladder lumen during running. All patients with bladder contusion were male because the bladder neck is more firmly fixed to the pelvic floor by the protruding prostate in men than women. Gross hematuria in all patients quickly resolved without treatment after running cessation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>This is the first report in which cystoscopic findings showed that running\u2010induced macroscopic hematuria can be frequently caused by traumatic bladder contusion.<\/jats:p><\/jats:sec>","DOI":"10.1002\/iju5.12030","type":"journal-article","created":{"date-parts":[[2018,11,29]],"date-time":"2018-11-29T16:52:42Z","timestamp":1543510362000},"page":"27-29","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Macroscopic hematuria caused by running\u2010induced traumatic bladder mucosal contusions"],"prefix":"10.1002","volume":"2","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3753-9950","authenticated-orcid":false,"given":"Shinji","family":"Urakami","sequence":"first","affiliation":[{"name":"Department of Urology Toranomon Hospital Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kohei","family":"Ogawa","sequence":"additional","affiliation":[{"name":"Department of Urology Toranomon Hospital Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Suguru","family":"Oka","sequence":"additional","affiliation":[{"name":"Department of Urology Toranomon Hospital Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michikata","family":"Hayashida","sequence":"additional","affiliation":[{"name":"Department of Urology Toranomon Hospital Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kiichi","family":"Hagiwara","sequence":"additional","affiliation":[{"name":"Department of Urology Toranomon Hospital Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shoichi","family":"Nagamoto","sequence":"additional","affiliation":[{"name":"Department of Urology Toranomon Hospital Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kazushige","family":"Sakaguchi","sequence":"additional","affiliation":[{"name":"Department of Urology Toranomon Hospital Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akihiro","family":"Yano","sequence":"additional","affiliation":[{"name":"Department of Urology Toranomon Hospital Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kazuhiro","family":"Kurosawa","sequence":"additional","affiliation":[{"name":"Department of Urology Toranomon Hospital Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshikazu","family":"Okaneya","sequence":"additional","affiliation":[{"name":"Department of Urology Toranomon Hospital Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2018,11,29]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.1093\/ndt\/14.8.2030"},{"key":"e_1_2_5_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/00042752-199704000-00008"},{"key":"e_1_2_5_4_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.1979.03290300033023"},{"key":"e_1_2_5_5_1","doi-asserted-by":"publisher","DOI":"10.1136\/bjsm.2003.007278"},{"key":"e_1_2_5_6_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.mej.0000206197.69824.f9"},{"key":"e_1_2_5_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1464-410X.1987.tb04803.x"},{"key":"e_1_2_5_8_1","first-page":"1060","article-title":"Exercise proteinuria and hematuria: current knowledge and future directions","volume":"56","author":"Shephard RJ","year":"2016","journal-title":"J. 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