Ureteral stents are an integral part of urologic practices.Nonetheless, stents that migrate, fragment, or are forgotten pose management and legal dilemmas.

• 输尿管内管是泌尿科处置的一部份，然而处理输尿管内管放置后节移位断裂或中被遗忘却常更为复杂，甚至引起法律问题。