Multifocal nephrogenic adenoma treated by intravesical sodium hyaluronate

Multifocal nephrogenic adenoma treated by intravesical sodium hyaluronate

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Nephrogenic adenoma is a rare benign urinary tract lesion.There are pediatric cases that have been managed with intravesical sodium hyaluronate, but there are no published adult cases.We present the first case of an adult successfully treated with intravesical sodium hyaluronate without resection.A 77-year-old man was investigated with cystoscopy for lower urinary tract symptoms (LUTS) unresponsive to medical therapy.This revealed European Dinner Forks multifocal flat black bladder lesions.

Biopsy showed the lesions to be nephrogenic adenoma.His LUTS were treated with 6 weeks of intravesical sodium hyaluronate.He returned 6 weeks later for resection of his bladder lesions.However, resection was abandoned as the bladder lesions had entirely resolved.The resolution of the bladder lesions following intravesical sodium hyaluronate was unexpected but does agree with existing literature.

The two reported pediatric cases also Candles suggest that intravesical sodium hyaluronate is therapeutic for nephrogenic adenoma.