Jelani C Zarif, Heather J Chalfin, Phillip M Pierorazio and Michael A Gorin. Characterization of the macrophage infiltrate in a case of xanthogranulomatous pyelonephritis. Journal of Clinical Urology 2017. Epub ahead of print 16 June 2017 (Original doi: 10.1177/2051415817716014). The funding statement for this case report has been updated to read as follows: This study was supported the UNCF/Merck Postdoctoral Science Research Fellowship and Prostate Cancer Foundation Young Investigator award, both to JCZ. This study was also funded in part by a grant from the National Cancer Institute (P30CA006973).