We report 2 cases of familial juvenile hyperuricemic nephropathy, a rare autosomal dominant disorder characterized by uromodulin gene mutations leading to hyperuricemia secondary to profound renal uric acid underexcretion, gout, and chronic renal disease. Case 1 involves a 56-yearold woman who underwent a kidney transplant after steady decline in kidney function since the age of 19 years. Her gout had been successfully controlled with varying doses of daily allopurinol. Case 2, the son of case 1, presented with already progressive and debilitating arthritis at the age of 34 years with relatively stable chronic renal failure that was also subsequently managed with daily allopurinol and judicious antiinflammatory prophylaxis.
- Chronic renal disease
- Early-onset gout
- Familial juvenile hyperuricemic nephropathy
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