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Eosinophilic tubulointerstitial nephritis on treatment with isotretinoin
Gulsah Kaya Aksoy1,2, Mustafa Koyun3, Bahar Akkaya4
1Department of Pediatric Nephrology, Akdeniz University, School of Medicine, Antalya, Turkey. gkayaaksoy@gmail.com.
Abstract:
Drug-related acute tubulointerstitial nephritis is one of the most common causes of childhood acute renal failures which originate from kidneys. Sixteen-year old male patient with the history of isotretinoin use for the last 3 months was admitted with acute renal failure. Renal function parameters were measured as follows: blood urea nitrogen 21 mg/dL, serum creatinine 1.68 mg/dL, cystatin C 1.15 mg/L, and estimated glomerular filtration rate based on cystatin C 56.5 mL/min/1.73 m2. The patient whom pathological signs of renal biopsy sections revealed interstitial mononuclear cell and eosinophilic infiltration was diagnosed with acute tubulointerstitial nephritis.
Conclusion:
Isotretinoin is a vitamin A-derived agent which is commonly used in the treatment of acne and may cause drug-related acute tubulointerstitial nephritis. What is Known: •Drug-related acute tubulointerstitial nephritis (ATIN) is one of the most common causes of childhood acute renal failures. What is New: •Isotretinoin may cause drug-related acute tubulointerstitial nephritis.
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