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Year : 2020  |  Volume : 12  |  Issue : 2  |  Page : 187-189

Multifocal nephrogenic adenoma treated by intravesical sodium hyaluronate

1 Department of Urology, University Hospital Ayr, Ayr, United Kingdom
2 Department of Pathology, Crosshouse Hospital, Kilmarnock, United Kingdom

Correspondence Address:
Dr. Nicola Santoni
Department of Urology, University Hospital Ayr, Dalmellington Road, Ayr, KA6 6DX
United Kingdom
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DOI: 10.4103/UA.UA_74_19

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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 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 suggest that intravesical sodium hyaluronate is therapeutic for nephrogenic adenoma.

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