{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T09:08:25Z","timestamp":1790240905791,"version":"4.1.0"},"reference-count":9,"publisher":"BMJ","issue":"9","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2026,9,4]]},"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:p>\n                    We present a frail man in his 80s with a medical history of hypertension, oesophageal cancer (2018), chronic kidney disease stage 3, hiatus hernia and a long-term catheter. He was admitted with urosepsis and repeated catheter blockages. Imaging confirmed bilateral hydronephrosis secondary to a large gas-containing bladder mass. Operative removal of the amorphous mass was performed and microbiological analysis revealed the presence of microorganisms consistent with\n                    <jats:italic>Proteus<\/jats:italic>\n                    and\n                    <jats:italic>Aerococcus<\/jats:italic>\n                    . Our patient has recovered well and has been discharged back to residential care. We have found a few similar reported cases.\n                  <\/jats:p>","DOI":"10.1136\/bcr-2026-274073","type":"journal-article","created":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T08:40:23Z","timestamp":1790239223000},"page":"e274073","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Recurrent hydronephrosis and catheter blockage, secondary to an organised bacterial mass within the bladder"],"prefix":"10.1136","volume":"19","author":[{"given":"Simon","family":"McGurk","sequence":"first","affiliation":[{"name":"Urology, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alin","family":"Carter","sequence":"additional","affiliation":[{"name":"Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joseph","family":"Robinson","sequence":"additional","affiliation":[{"name":"Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ruth","family":"Doherty","sequence":"additional","affiliation":[{"name":"Urology, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2026,9,24]]},"reference":[{"key":"2026092401401212000_19.9.e274073.1","doi-asserted-by":"crossref","DOI":"10.3389\/fcimb.2024.1465460","article-title":"Unveiling the hidden arsenal: new insights into Proteus mirabilis virulence in UTIs","volume":"14","author":"Yang","year":"2024","journal-title":"Front Cell Infect Microbiol"},{"key":"2026092401401212000_19.9.e274073.2","doi-asserted-by":"crossref","DOI":"10.3389\/fcimb.2020.00414","article-title":"Proteus mirabilis Biofilm: Development and Therapeutic Strategies","volume":"10","author":"Wasfi","year":"2020","journal-title":"Front Cell Infect Microbiol"},{"key":"2026092401401212000_19.9.e274073.3","first-page":"20200039","article-title":"Bacteria-ball in the urinary tract: a rare entity","volume":"6","author":"Benjamin","year":"2020","journal-title":"BJR Case Rep"},{"key":"2026092401401212000_19.9.e274073.4","doi-asserted-by":"crossref","DOI":"10.3390\/ijms26189193","article-title":"Catheter-Associated Urinary Tract Infections: Understanding the Interplay Between Bacterial Biofilm and Antimicrobial Resistance","volume":"26","author":"Tegegne","year":"2025","journal-title":"Int J Mol Sci"},{"key":"2026092401401212000_19.9.e274073.5","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1601720113"},{"key":"2026092401401212000_19.9.e274073.6","doi-asserted-by":"crossref","unstructured":"Kakodkar P , Scott J , Tariq J , et al . Emerging pathogens Aerococcus urinae and Aerococcus sanguinicola from a Canadian tertiary care hospital. Future Microbiol 2024;1321\u201332.","DOI":"10.1080\/17460913.2024.2383503"},{"key":"2026092401401212000_19.9.e274073.7","doi-asserted-by":"crossref","first-page":"1313","DOI":"10.1093\/gerona\/glab345","article-title":"The Urinary Microbiome of Older Adults Residing in a Nursing Home Varies With Duration of Residence and Shows Increases in Potential Pathogens","volume":"77","author":"Bradley","year":"2022","journal-title":"J Gerontol"},{"key":"2026092401401212000_19.9.e274073.8","doi-asserted-by":"crossref","unstructured":"Yu Y , Tsitrin T , Bekele S , et al . Aerococcus urinae and Globicatella sanguinis Persist in Polymicrobial Urethral Catheter Biofilms Examined in Longitudinal Profiles at the Proteomic Level. Biochem Insights 2019;12. doi:10.1177\/1178626419875089","DOI":"10.1177\/1178626419875089"},{"key":"2026092401401212000_19.9.e274073.9","doi-asserted-by":"crossref","unstructured":"Sharma R , Bell D , Elfeky M . Fungal ball of the urinary tract. RadiopaediaOrg; 2018. Available: https:\/\/radiopaedia.org\/articles\/fungal-ball-of-the-urinary-tract?lang=us","DOI":"10.53347\/rID-64801"}],"container-title":["BMJ Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bcr-2026-274073","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T08:40:26Z","timestamp":1790239226000},"score":1,"resource":{"primary":{"URL":"https:\/\/casereports.bmj.com\/lookup\/doi\/10.1136\/bcr-2026-274073"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,9]]},"references-count":9,"journal-issue":{"issue":"9","published-online":{"date-parts":[[2026,9,24]]},"published-print":{"date-parts":[[2026,9]]}},"alternative-id":["10.1136\/bcr-2026-274073"],"URL":"https:\/\/doi.org\/10.1136\/bcr-2026-274073","relation":{},"ISSN":["1757-790X"],"issn-type":[{"value":"1757-790X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,9]]}}}