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Initial treatment for suspected septic vasculitis with antibiotics and corticosteroids improved his condition, but vasculitis recurred after corticosteroid tapering. Repeated biopsies confirmed leukocytoclastic vasculitis (LCV) triggered by persistent prostate infection. To our knowledge, this is the first reported case of recurrent LCV triggered by chronic cystoprostatitis\u2014a rare and underrecognized infectious etiology. Definitive resolution required addressing the underlying prostatitis, underscoring the importance of identifying and treating chronic infectious triggers in recurrent cutaneous vasculitis.<\/jats:p>","DOI":"10.1177\/2050313x261420032","type":"journal-article","created":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T18:09:52Z","timestamp":1773252592000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Case report: Challenging diagnosis of leukocytoclastic vasculitis, caused by recurrent urinary tract infection"],"prefix":"10.1177","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-4920-9515","authenticated-orcid":false,"given":"Slavena","family":"Dineva","sequence":"first","affiliation":[{"name":"Inselspital, Cardiovascular Center, Bern, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christoph","family":"Henzen","sequence":"additional","affiliation":[{"name":"Department of Acute internal medicine, Cantonal Hospital Lucerne, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Hodel","sequence":"additional","affiliation":[{"name":"Department of Acute internal medicine, Cantonal Hospital Lucerne, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gernot","family":"Schmid","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, Cantone Hospital Lucerne, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Emel","family":"T\u00fcrkay","sequence":"additional","affiliation":[{"name":"Dermaesthetik, Zurich, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sacha","family":"Zeerleder","sequence":"additional","affiliation":[{"name":"Department of Hematology, Cantonal Hospital Lucerne, Switzerland"},{"name":"University of Bern, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claudia","family":"Vonlanthen","sequence":"additional","affiliation":[{"name":"Department of Intensive Care Unit, Cantonal Hospital Lucerne, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6550-9057","authenticated-orcid":false,"given":"Isabel","family":"Kolm","sequence":"additional","affiliation":[{"name":"Department of Pathology, Cantonal Hospital Lucerne, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2026,3,10]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1007\/s12016-020-08788-4"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(09)70066-0"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.3389\/fmed.2022.1059612"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1186\/s12876-020-01371-3"},{"key":"e_1_3_2_6_2","first-page":"262","article-title":"Leukocytoclastic vasculitis as a cutaneous paraneoplastic syndrome in malignant mesothelioma","volume":"8","author":"Kwon H-J","year":"2022","unstructured":"Kwon H-J, Park K-D, Yoon J-H. Leukocytoclastic vasculitis as a cutaneous paraneoplastic syndrome in malignant mesothelioma. JAAD Case Rep 2022; 8: 262\u2013265.","journal-title":"JAAD Case Rep"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.12659\/AJCR.939541"},{"issue":"2","key":"e_1_3_2_8_2","first-page":"534","article-title":"Clinical study on single-organ cutaneous small vessels vasculitis: a retrospective observational study","volume":"28","author":"Bodak\u00e7i E","year":"2024","unstructured":"Bodak\u00e7i E. Clinical study on single-organ cutaneous small vessels vasculitis: a retrospective observational study. Eur Rev Med Pharmacol Sci 2024; 28(2): 534\u2013541.","journal-title":"Eur Rev Med Pharmacol Sci"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.2147\/CCID.S528734"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/B978-0-323-31696-5.00087-5"},{"issue":"3","key":"e_1_3_2_11_2","article-title":"Histopathologic differences between cutaneous vasculitis associated with severe bacterial infection and cutaneous vasculitis secondary to other causes: study of 52 patients","volume":"34","author":"Loricera J","year":"2016","unstructured":"Loricera J, Gonz\u00e1lez-Vela C, Blanco R, et al. Histopathologic differences between cutaneous vasculitis associated with severe bacterial infection and cutaneous vasculitis secondary to other causes: study of 52 patients. Clin Exp Rheumatol 2016; 34(3 Suppl. 97): S93\u2013S97.","journal-title":"Clin Exp Rheumatol"},{"key":"e_1_3_2_12_2","doi-asserted-by":"publisher","DOI":"10.1097\/DAD.0000000000000122"},{"key":"e_1_3_2_13_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00296-022-05100-9"},{"key":"e_1_3_2_14_2","doi-asserted-by":"publisher","DOI":"10.1007\/s10067-022-06406-6"},{"key":"e_1_3_2_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaut.2021.102783"}],"container-title":["Sage Open Medical Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/2050313X261420032","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/2050313X261420032","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/2050313X261420032","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,3,13]],"date-time":"2026-03-13T08:16:21Z","timestamp":1773389781000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/2050313X261420032"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,1]]},"references-count":14,"alternative-id":["10.1177\/2050313X261420032"],"URL":"https:\/\/doi.org\/10.1177\/2050313x261420032","relation":{},"ISSN":["2050-313X","2050-313X"],"issn-type":[{"value":"2050-313X","type":"print"},{"value":"2050-313X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,1]]},"article-number":"2050313X261420032"}}