Q&A column, 12/16

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• Nolan CR 3rd, Anger MS, Kelleher SP. Eosinophiluria—a new method of detection and definition of the clinical spectrum. N Engl J Med. 1986;315(24);1516–1519.
• Corwin HL, Bray RA, Haber MH. The detection and interpretation of urinary eosinophils. Arch Pathol Lab Med. 1989;
  113(11):1256–1258.
• Corwin HL, Korbet SM, Schwartz MM. Clinical correlates of eosinophiluria. Arch Intern Med. 1985;145(6):1097–1099.
• Kshirsagar AV. The significance of urinary eosinophils. In: UpToDate, Palevsky PM, Sheridan AM, eds. UpToDate, Waltham, Mass. www.uptodate.com/contents/the-significance-of-urinary-eosinophils. Accessed April 5, 2016.
• Corwin HL, Haber MH. The clinical significance of eosinophiluria. Am J Clin Pathol. 1987;88(4):520–522.
• Muriithi AK, Nasr SH, Leung N. Utility of urine eosinophils in the diagnosis of acute interstitial nephritis. Clin J Am Soc Nephrol. 2013;8(11):1857–1862.
• Fletcher A. Eosinophiluria and acute interstitial nephritis. N Engl J Med. 2008;358(16):1760–1761.
• Perazella MA, Bomback AS. Urinary eosinophils in AIN: farewell to an old biomarker? Clin J Am Soc Nephrol. 2013;8(11):1841–1843.

Maria E. Vergara-Lluri, MD, Assistant Professor, Clinical Pathology, Department of Pathology, Keck School of Medicine, University of Southern California LAC+USC Medical Center, Los Angeles, Member, Hematology/Clinical Microscopy Resource Committee

Dr. Kiechle is a consultant, clinical pathology, Cooper City, Fla. Use the reader service card to submit your inquiries, or address them to Sherrie Rice, CAP TODAY, 325 Wau­ke­gan Road, Northfield, IL 60093; srice@cap.org. Those questions that are of general interest will be answered.