Foreign body in the ureter: A particle of glue after transarterial embolization of a renal pseudoaneurysm during percutaneous nephrostomy

Reports on foreign bodies within the ureter are extremely rare in the literature. Herein, we present a case of a foreign body in a ureter, specifically a particle of glue resulting from transarterial embolization of a renal pseudoaneurysm secondary to percutaneous nephrostomy. Emergent transarterial embolization was required due to life-threatening active bleeding of the pseudoaneurysm. However, the glue material subsequently fell into the ureter where it became a foreign body, resulting in obstructive uropathy. Several surgical interventions, including endoscopic and laparoscopic methods, were performed to retrieve the foreign body, but these attempts were unsuccessful. Finally, the glue material was spontaneously passed out by chance. To the best of our knowledge, this type of complication (a glue particle left over from an embolization procedure migrating into the urinary collecting system) has never been reported. We recommend close follow-up examinations after transarterial embolization for renal pseudoaneurysm in order to avoid possible obstructive uropathy caused by glue materials or coils.