Infiltrating endometriosis of the urinary bladder mimics lower segment myoma of the uterus

Pi Hua Chen, Heng-Kien Au, Li-Wei Chien, Wun Long Tang, Wei-Min Liu

Research output: Contribution to journalArticlepeer-review


Objective: Bladder endometriosis is a rare disease with variable symptoms. No definite treatment for this disease has been documented due to its rarity. We present a case of bladder endometriosis mimicking a lower segment uterine adenomyoma. Case Report: A 25-year-old woman presented with the complaint of severe dysmenorrhea and suprapubic tenderness of 6 months' duration. Transvaginal ultrasonography showed a lower segment heteroechogenic mass of the uterus. Laparoscopy revealed a mass on the posterior wall of the urinary bladder after dissection of the vesicouterine fold. Cystoscopy confirmed that the lesion was confined to the muscular layer, without involvement of bilateral ureter orifices. Partial cystectomy was performed during exploratory laparotomy. Bladder endometriosis was confirmed by pathology. The patient had an uneventful recovery. The postoperative severity of dysmenorrhea was reduced to half that experienced preoperatively. Conclusion: Women with bladder endometriosis may have no symptoms during urination. A high index of suspicion of bladder endometriosis is necessary when a heteroechogenic mass in the anterior lower segment of the uterus is detected on pelvic ultrasound.

Original languageEnglish
Pages (from-to)375-377
Number of pages3
JournalTaiwanese Journal of Obstetrics and Gynecology
Issue number4
Publication statusPublished - Dec 2005


  • Bladder endometriosis
  • Pelvic ultrasound
  • Uterine adenomyoma

ASJC Scopus subject areas

  • Obstetrics and Gynaecology


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