Squamous cell carcinoma of the bladder associated with chronic irritation related to a migrated intrauterine device.

Intrauterine devices (IUDs) are one of the most commonly used methods for reversible contraception. This article reports a case of squamous cell carcinoma of the bladder which exhibited a migrated IUD into the bladder. A 66-year-old woman with a 26-year history of IUD use admitted to the clinic with the chief complaint of intermittent macroscopic haematuria. Clinical examination raised a suspicion bladder carcinoma, so cystoscopy and histological sampling were performed and squamous cell carcinoma of bladder was diagnosed, which was related to chronic irritation by a migrated IUD.