Eosinophiluria
Eosinophiluria is the abnormal presence of eosinophils in the urine. It can be measured by detecting levels of eosinophil cationic protein.[1]
Associated conditions
It can be associated with a wide variety of conditions, including:
- Kidney disorders such as acute interstitial nephritis[2] and acute kidney injury from cholesterol embolism
- Urinary tract infection
- Eosinophilic granulomatosis with polyangiitis[3]
Eosinophiluria (>5% of urine leukocytes ) is a common finding (~90%) in antibiotic induced allergic nephritis, however lymphocytes predominate in allergic interstitial nephritis induced by NSAIDs. Eosinophiluria is a feature of atheroembolic ARF.
In PAN, microscopic polyangitis, eosinophiluria is rare.
References
- Reimert CM, Mshinda HM, Hatz CF, et al. (January 2000). "Quantitative assessment of eosinophiluria in Schistosoma haematobium infections: a new marker of infection and bladder morbidity". Am. J. Trop. Med. Hyg. 62 (1): 19–28. doi:10.4269/ajtmh.2000.62.19. PMID 10761720.
- Fletcher, Andrew (17 April 2008). "Eosinophiluria and Acute Interstitial Nephritis". New England Journal of Medicine. 358 (16): 1760–1761. doi:10.1056/NEJMc0708475. PMID 18420515.
- Ohsawa I, Ohi H, Takahashi K (May 2004). "Eosinophiluria in Churg–Strauss syndrome". Nephrol. Dial. Transplant. 19 (5): 1333. doi:10.1093/ndt/gfh160. PMID 15102984.
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