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. 2015 May 6;10:48. doi: 10.1186/s13000-015-0279-z

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© Nolan and Jen; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Kidney biopsy from a patient with exposure to levamisole-adulterated cocaine. A) Necrotizing lesion characterized by the presence of fibrin (arrow) within the Bowman space with associated nuclear debris and incipient cellular crescent (hematoxylin and eosin stain, 400X). B) Cellular crescent with fibrin (arrow) within the Bowman space (methenamine silver-Periodic acid-Schiff stain, 400X). Note that the glomerular tuft is otherwise relatively normal, as is often seen in pauci-immune glomerulonephritis.