{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,28]],"date-time":"2025-08-28T11:42:24Z","timestamp":1756381344887,"version":"3.44.0"},"reference-count":12,"publisher":"BMJ","issue":"12","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2023,12,5]]},"published-print":{"date-parts":[[2023,12]]},"abstract":"<jats:p>During this era of advanced and minimally invasive procedures for treating urolithiasis, percutaneous nephrolithotomy (PCNL) remains the primary choice for removing large renal calculi. While there are various known complications associated with PCNL, such as bleeding, sepsis and injury to neighboring organs, the occurrence of retained foreign bodies as a result of the procedure is rarely reported. In this case report, we present a unique instance of encrustation involving a retained guidewire sheath following PCNL, which was initially mistaken for a residual stone fragment in imaging studies. Fortunately, the foreign body was successfully removed using retrograde intrarenal surgery.<\/jats:p>","DOI":"10.1136\/bcr-2023-256581","type":"journal-article","created":{"date-parts":[[2023,12,21]],"date-time":"2023-12-21T12:36:23Z","timestamp":1703162183000},"page":"e256581","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":1,"title":["Retained foreign body post-PCNL: an unusual complication and endoscopic management"],"prefix":"10.1136","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1579-6681","authenticated-orcid":false,"given":"Priyank","family":"Bhargava","sequence":"first","affiliation":[{"name":"Urology, AIIMS Jodhpur, Jodhpur, Rajasthan, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4023-9898","authenticated-orcid":false,"given":"Jeena","family":"Kudunthail","sequence":"additional","affiliation":[{"name":"Urology, AIIMS Jodhpur, Jodhpur, Rajasthan, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gautam Ram","family":"Choudhary","sequence":"additional","affiliation":[{"name":"Urology, AIIMS Jodhpur, Jodhpur, Rajasthan, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shiv Charan","family":"Navriya","sequence":"additional","affiliation":[{"name":"Urology, AIIMS Jodhpur, Jodhpur, Rajasthan, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2023,12,21]]},"reference":[{"key":"2025082804103163000_16.12.e256581.1","first-page":"e86","article-title":"Assimos kidney stones: a global picture of prevalence, incidence, and associated risk factors","volume":"12","author":"Romero","year":"2010","journal-title":"Rev Urol"},{"key":"2025082804103163000_16.12.e256581.2","doi-asserted-by":"crossref","first-page":"243","DOI":"10.1097\/00042307-200305000-00013","article-title":"Endoscopic surgery for renal calculi","volume":"13","author":"Fuchs","year":"2003","journal-title":"Curr Opin Urol"},{"key":"2025082804103163000_16.12.e256581.3","doi-asserted-by":"crossref","DOI":"10.1016\/S0090-4295(03)00018-9","article-title":"Intrarenal foreign body presenting as a solid tumor","volume":"61","author":"Ben Meir","year":"2003","journal-title":"Urology"},{"key":"2025082804103163000_16.12.e256581.4","doi-asserted-by":"crossref","first-page":"492","DOI":"10.4111\/kju.2012.53.7.492","article-title":"Fragmented pigtail percutaneous nephrostomy tubes: etiology and management","volume":"53","author":"Kumar","year":"2012","journal-title":"Korean J Urol"},{"key":"2025082804103163000_16.12.e256581.5","first-page":"497","article-title":"Foreign body in the kidney: an unusual case and its management","volume":"66","author":"Singh","year":"2014","journal-title":"Cent European J Urol"},{"key":"2025082804103163000_16.12.e256581.6","doi-asserted-by":"crossref","DOI":"10.4293\/JSLS.2014.00271","article-title":"Endourological treatment of foreign bodies in the urinary system","volume":"18","author":"Alkan","year":"2014","journal-title":"JSLS"},{"key":"2025082804103163000_16.12.e256581.7","doi-asserted-by":"crossref","DOI":"10.5339\/qmj.2015.7","article-title":"A rare case of unusual migrated foreign bodies in kidney and their successful extraction using retrograde percutaneous nephrostomy","volume":"2015","author":"Upadhyay","year":"2015","journal-title":"Qatar Med J"},{"key":"2025082804103163000_16.12.e256581.8","doi-asserted-by":"crossref","first-page":"90","DOI":"10.4081\/aiua.2015.1.90","article-title":"An unusual case of intrarenal coiled and ruptured guidewire","volume":"87","author":"Manassero","year":"2015","journal-title":"Arch Ital Urol Androl"},{"key":"2025082804103163000_16.12.e256581.9","doi-asserted-by":"crossref","first-page":"e7","DOI":"10.1016\/j.urology.2016.05.004","article-title":"Wooden foreign body in the renal pelvis","volume":"94","author":"T\u00fcd\u00f6s","year":"2016","journal-title":"Urology"},{"key":"2025082804103163000_16.12.e256581.10","article-title":"Foreign body in kidney presenting as renal stone","volume":"12","author":"Jamil","year":"2020","journal-title":"Cureus"},{"key":"2025082804103163000_16.12.e256581.11","doi-asserted-by":"crossref","first-page":"1728","DOI":"10.1515\/med-2021-0385","article-title":"Retrieval of intrarenal coiled and ruptured guidewire by retrograde intrarenal surgery: a case report and literature review","volume":"16","author":"Chen","year":"2021","journal-title":"Open Med (Wars)"},{"key":"2025082804103163000_16.12.e256581.12","first-page":"084","article-title":"Losing jacket of guide wire - 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