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Serum laboratory investigations revealed a serum creatinine of 632\u2009\u00b5mol\/L and were negative for antineutrophil cytoplasmic antibodies. A diagnosis of pauci-immune c-GN was made on renal biopsy. In addition, sputum PCR confirmed infection with drug-sensitive<jats:italic>Mycobacterium tuberculosis<\/jats:italic>. Standard TB treatment and immunosuppression with prednisone and cyclophosphamide was commenced, and over the course of 6\u2009months, renal function improved to an estimated glomerular filtration rate &gt;60\u2009mL\/min.<\/jats:p>","DOI":"10.1136\/bcr-2017-221948","type":"journal-article","created":{"date-parts":[[2018,2,6]],"date-time":"2018-02-06T07:25:17Z","timestamp":1517901917000},"page":"bcr-2017-221948","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":9,"title":["Tuberculosis and pauci-immune crescentic glomerulonephritis"],"prefix":"10.1136","volume":"2018","author":[{"given":"Jonathan","family":"Oxley Oxland","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jason","family":"Ensor","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert","family":"Freercks","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2018,2,5]]},"reference":[{"key":"2025042702460567000_2018.feb05_1.bcr-2017-221948.1","unstructured":"World Health Organization. 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