{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T19:20:05Z","timestamp":1789154405611,"version":"build-2803163510"},"reference-count":22,"publisher":"BMJ","issue":"3","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2025,1,3]]},"published-print":{"date-parts":[[2025,3]]},"abstract":"<jats:p>We present the case of a man in his late 70s who developed urogenital infection with <jats:italic>M. bovis<\/jats:italic> BCG most probably following BCG instillation for bladder cancer, a surprising 21 years after the BCG treatment had ended.<\/jats:p>\n               <jats:p>The patient presented with an indolent testicular swelling initially presumed to be testicular cancer. After surgical exploration, the swelling proved to be a <jats:italic>M. bovis<\/jats:italic> BCG-infected granuloma. Treatment consists of ethambutol, rifampicin and isoniazid over several months, which can cause severe side effects.<\/jats:p>\n               <jats:p>We conclude that any unclear lesion or tumour in a patient who has had BCG instillation should be tested for mycobacteria along standard histological and microbiological analyses.<\/jats:p>","DOI":"10.1136\/bcr-2024-260496","type":"journal-article","created":{"date-parts":[[2025,3,26]],"date-time":"2025-03-26T02:03:06Z","timestamp":1742954586000},"page":"e260496","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":2,"title":["Urogenital infection with <i>M<\/i>. <i>bovis<\/i> BCG most probably as a result of BCG instillation 21 years ago"],"prefix":"10.1136","volume":"18","author":[{"given":"Michael","family":"Zenger","sequence":"first","affiliation":[{"name":"Internal Medicine, St. Claraspital, Basel, BS, 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