{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T00:56:04Z","timestamp":1772758564522,"version":"3.50.1"},"reference-count":13,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2021,4,7]],"date-time":"2021-04-07T00:00:00Z","timestamp":1617753600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2021,4,7]],"date-time":"2021-04-07T00:00:00Z","timestamp":1617753600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Surg"],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Background<\/jats:title>\n                <jats:p>Fistula formation due to mesh erosion into hollow viscera, such as the urinary bladder, is uncommon. To date, there have been no reports of fistula formation into the urinary bladder without evidence of mesh erosion after hernioplasty; herein, we report one such rare case, in which the clinical symptoms improved without any surgical intervention.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Case presentation<\/jats:title>\n                <jats:p>A 73-year-old man underwent a trans-abdominal preperitoneal repair for bilateral direct inguinal hernia. One month later, the patient experienced a painful induration in the right inguinal region, and computed tomography revealed fluid collection in this region. A culture of the aspirated fluid yielded no bacteria. Seven months later, he experienced another episode of painful induration in the same region. However, blood examination revealed a normal white blood cell count and C-reactive protein level. Moreover, no organisms were detected by aspirated fluid culture. Although the painful induration subsided after aspiration of the fluid collection, he developed gross hematuria and dysuria a month later. Cystoscopy revealed a fistula in the right wall of the urinary bladder that discharged a purulent fluid. Culture of the fluid revealed no bacteria, and there was no evidence of mesh erosion. Hematuria improved without therapeutic or surgical intervention. The patient\u2019s clinical symptoms improved without mesh removal. Moreover, cystoscopy revealed that the fistula was scarred 12\u00a0months after the initial appearance of urinary symptoms. No further complications were observed during a 42-month follow-up period.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>We report a rare case of a fistula in the urinary bladder without evidence of mesh erosion after laparoscopic hernioplasty. The patient\u2019s condition improved without mesh removal. Fluid collection due to foreign body reaction to meshes can cause fistula formation in the urinary bladder without direct mesh contact.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12893-021-01183-6","type":"journal-article","created":{"date-parts":[[2021,4,7]],"date-time":"2021-04-07T14:03:26Z","timestamp":1617804206000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Urinary bladder fistula following laparoscopic inguinal hernioplasty: a case report"],"prefix":"10.1186","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4961-2601","authenticated-orcid":false,"given":"Ken","family":"Hagiwara","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shigeoki","family":"Hayashi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takeki","family":"Suzuki","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Keio","family":"Song","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tadatoshi","family":"Takayama","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2021,4,7]]},"reference":[{"key":"1183_CR1","doi-asserted-by":"publisher","first-page":"136","DOI":"10.1097\/00000658-200301000-00019","volume":"237","author":"MS Liem","year":"2003","unstructured":"Liem MS, van Duyn EB, van der Graaf Y, van Vroonhoven TJ, Coala Trial Group. Recurrences after conventional anterior and laparoscopic inguinal hernia repair: a randomized comparison. Ann Surg. 2003;237:136\u201341. https:\/\/doi.org\/10.1097\/00000658-200301000-00019.","journal-title":"Ann Surg."},{"key":"1183_CR2","doi-asserted-by":"publisher","first-page":"343","DOI":"10.1007\/s10029-009-0529-7","volume":"13","author":"MP Simons","year":"2009","unstructured":"Simons MP, Aufenacker T, Bay-Nielsen M, Bouillot JL, Campanelli G, Conze J, et al. European hernia society guidelines on the treatment of inguinal hernia in adult patients. Hernia. 2009;13:343\u2013403. https:\/\/doi.org\/10.1007\/s10029-009-0529-7.","journal-title":"Hernia"},{"key":"1183_CR3","doi-asserted-by":"publisher","first-page":"79","DOI":"10.4103\/0972-9941.169956","volume":"12","author":"S Aggarwal","year":"2016","unstructured":"Aggarwal S, Praneeth K, Rathore Y, Waran V, Singh P. 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J Endourol Case Rep. 2017;3:1\u20133. https:\/\/doi.org\/10.1089\/cren.2016.0125.","journal-title":"J Endourol Case Rep"},{"key":"1183_CR8","doi-asserted-by":"publisher","first-page":"79","DOI":"10.1007\/s10029-005-0024-8","volume":"10","author":"A Agrawal","year":"2006","unstructured":"Agrawal A, Avill R. Mesh migration following repair of inguinal hernia: a case report and review of literature. Hernia. 2006;10:79\u201382. https:\/\/doi.org\/10.1007\/s10029-005-0024-8.","journal-title":"Hernia"},{"issue":"238","key":"1183_CR9","doi-asserted-by":"publisher","first-page":"2723","DOI":"10.1001\/jama.1977.03280260053022","volume":"19","author":"RA Mintzer","year":"1977","unstructured":"Mintzer RA, Neiman HL, Reeder MM. Bladder fistula. 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This article does not contain any study with animals performed by any of the authors. The institutional ethics committee of the Nihon University Hospital decided that no ethical approval was required for this study. Informed consent for participation was obtained from the patient.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Written informed consent was obtained from the patient for the publication of this case report and any accompanying images. A copy of the written consent is available for review by the Editor of this journal.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare that they have no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"183"}}