Author:
Valdez Imbert Ronald,Sekulic Miroslav,Saad Pir,Jim Belinda
Abstract
Though the prevalence of drug induced allergic interstitial nephritis (AIN) appears to be increasing, the diagnostic and treatment strategies still remain vague. We present a 56-year-old man with a history of hypertension, chronic kidney disease stage IIIa, recent exposure to ciprofloxacin who presented with acute kidney injury. Though the suspicion of AIN was high, his urinary sediment was bland, that is, no leucocytes or leucocyte casts. A renal biopsy subsequently showed features of AIN correlating with a resolving phase of inflammation. Given the resolving nature of the pathology, we chose not to complete a course of corticosteroids despite his need for temporary haemodialysis. He was able to fully recover his renal function. In this report, we emphasise the unreliable nature of the urinary sediment in the diagnosis of AIN, the utility of a renal biopsy in helping to guide treatment, and the controversial data in corticosteroid treatment.
Cited by
3 articles.
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