Incarcerated prolapsed ureterocele masquerading as a vulvar mass after midurethral sling surgery: a case report with systematic review - Summary - MDSpire

Incarcerated prolapsed ureterocele masquerading as a vulvar mass after midurethral sling surgery: a case report with systematic review

  • By

  • Hongyun Zhang

  • Jiang Zhu

  • Zihan Zhou

  • Xia Tao

  • Liqun Sun

  • Hong Zhan

  • June 9, 2026

  • 0 min

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Objective:

To report a case of incarcerated prolapsed ureterocele (IPU) after midurethral sling (MUS) surgery and to conduct a systematic review of previously reported cases.

Key Findings:
  • The patient presented with a vulvar mass after MUS surgery, complicating diagnosis due to altered pelvic anatomy.
  • Multimodal ultrasonography revealed a characteristic dumbbell sign, indicating the relationship between the ureterocele and the sling.
  • Prolapsed ureterocele is a rare differential diagnosis for vulvar or interlabial masses, especially with urinary symptoms.
Interpretation:

Imaging, particularly multimodal ultrasonography, is crucial for diagnosing IPU after MUS surgery.

Limitations:
  • The rarity of the condition limits the number of reported cases and generalizability of findings.
  • Incomplete preoperative records hindered understanding of the ureterocele's status prior to MUS surgery.
Conclusion:

IPU following MUS surgery is a rare condition that should be considered in differential diagnoses of postoperative vulvar masses.

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