Acute bilateral ureteral obstruction following Dextranomer/hyaluronic acid polymer injection: A case report

Arnon Lavi, Sharon Tzemah, Alon Mashiah, Zvi Katz, Michael Cohen


Ureteral obstruction following bulking agent injection for treatment of vesicoureteral reflux is rare. Herein we report a case of acute bilateral ureteral obstruction following bilateral Dextranomer/hyaluronic acid polymer injection. The obstruction which manifested hours following the injection, was treated with prompt insertion of bilateral ureteral stents. The stents were removed 4 weeks later with complete resolution of the obstruction. We believe that ureteral stenting is an excellent solution for acute ureteral obstruction following Dextranomer/hyaluronic acid polymer injection.


Vesicoureteral reflux; subureteral injection; Dextranomer/hyaluronic acid polymer; stent

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