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Updated: Nov 6, 2025

An In Vitro Bladder Model of Catheter-Associated Urinary Tract Infection
Published on: June 24, 2025
[Foreign body in the urinary bladder intrauterine device].
1E.A. Vagner Perm State Medical University of MH RF.
This report describes a rare case where a contraceptive device migrated from the uterus into the bladder, causing painful urination and blood in the urine. Doctors successfully removed the device and the associated stone, with no long-term complications observed during a two-year follow-up.
Area of Science:
- Urological surgery outcomes research within intrauterine device migration medicine
- Clinical urology and diagnostic imaging
Background:
No prior work had resolved the long-term clinical trajectory of intrauterine contraceptive devices that penetrate pelvic organs. It was already known that such objects can occasionally shift from their intended location. That uncertainty drove clinicians to document rare instances of migration into the urinary tract. Prior research has shown that patients may remain asymptomatic for many years before complications arise. This gap motivated a detailed review of a specific patient case involving a prolonged duration of device displacement. No previous studies had fully characterized the timeline from initial insertion to the development of bladder-related symptoms. That knowledge deficit highlights the importance of monitoring patients who experience unexplained urinary distress. This report addresses the clinical presentation and management of a device that traveled into the bladder after over a decade.
Purpose Of The Study:
The aim of this report is to document a rare instance of an intrauterine device migrating into the urinary bladder. This study addresses the clinical challenges associated with identifying displaced contraceptive objects in patients presenting with urinary distress. The authors seek to clarify the timeline of symptoms that develop after such a migration occurs. This work explores the diagnostic process required to confirm the presence of a foreign body within the bladder. The researchers intend to highlight the effectiveness of surgical removal for resolving chronic symptoms like dysuria and hematuria. This case provides insight into the long-term outcomes following the extraction of a calcified device. The investigation addresses the necessity of follow-up care to ensure the absence of residual health issues. This report serves to inform medical professionals about the potential for long-term complications related to intrauterine contraception.
Main Methods:
The review approach involved a detailed retrospective analysis of a single patient case. Clinicians performed a comprehensive physical examination to evaluate the reported urinary symptoms. Diagnostic imaging was conducted using ultrasound to assess the pelvic region for abnormal structures. The team then executed a cystoscopy to directly inspect the interior of the bladder. This procedure allowed for the precise localization of the migrated contraceptive object. Surgeons subsequently performed an extraction to remove the foreign body and the associated calcification. The medical staff monitored the patient's recovery through a follow-up examination conducted two years later. This systematic evaluation ensured that no residual pathology remained after the surgical intervention.
Main Results:
Key findings from the literature indicate that the migrated device was successfully extracted from the bladder. The object was identified as a T-shaped contraceptive device with a stone measuring 4.5 cm. The patient initially presented with dysuria and hematuria, which were the primary clinical indicators of the migration. Imaging confirmed the presence of the foreign body within the bladder cavity ten years after the initial insertion. The surgical team removed the entire mass without reporting immediate complications. During the two-year follow-up period, the patient exhibited no signs of recurring pathology. These results suggest that the extraction procedure was sufficient to resolve the patient's symptoms. The data confirm that the device had migrated from the uterus into the abdominal cavity before entering the bladder.
Conclusions:
The authors propose that surgical removal of migrated contraceptive devices effectively resolves associated urinary symptoms. Their findings suggest that stone formation often accompanies long-term foreign bodies within the bladder environment. This case demonstrates that patients may remain free of further complications two years after the intervention. The researchers emphasize that clinicians should consider device migration when evaluating patients with persistent dysuria. Their report confirms that imaging techniques like ultrasound are effective for identifying displaced objects. The team concludes that timely extraction prevents ongoing irritation of the bladder lining. Their observations indicate that the absence of pathology during follow-up supports the success of this surgical approach. The authors maintain that this rare event underscores the need for vigilance in women with a history of intrauterine contraception.
Frequently Asked Questions
The researchers propose that the device migrated from the uterus into the abdominal cavity before penetrating the bladder wall. This movement resulted in the development of a 4.5 cm stone, which caused the patient to experience dysuria and hematuria over a two-year period.
The authors utilized ultrasound imaging and cystoscopy to visualize the object. These diagnostic tools allowed the medical team to confirm the presence of the T-shaped contraceptive device and the surrounding calcification within the bladder lumen.
The authors state that cystoscopy was necessary to confirm the exact position of the object within the bladder. This procedure allowed for the direct visualization of the T-shaped device and the stone, which was required before proceeding with the surgical extraction.
The medical team relied on ultrasound data to identify the initial migration of the device. This imaging modality provided the evidence needed to distinguish the foreign body from other potential bladder pathologies before the surgical intervention was performed.
The researchers measured the stone formation on the device, noting a maximum size of 4.5 cm. This measurement was taken after the successful removal of the object from the bladder during the surgical procedure.
The authors propose that regular follow-up examinations are effective for ensuring long-term recovery. They observed that the patient remained free of pathology two years after the procedure, suggesting that the surgical removal successfully addressed the underlying cause of the patient's distress.
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