13 Olivia and Young reviewed 80 cases of nephrogenic adenoma, which showed a trend of male predominance. 14 Koirala et al. reported a case of ureter nephrogenic adenoma with intraluminal PAS positive material. 15 Jalpota reported an extensive involvement of bladder by nephrogenic adenoma in patient with renal allograft transplant. 16 Nephrogenic adenoma is a benign metaplastic response to urothelial injury, and may mimic malignant process.
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