Recurrent atypical leiomyoma in bladder trigone, confused with uterine fibroids: A case report.

World J Clin Cases

Department of Obstetrics and Gynecology, College of Medicine, The Catholic University of Korea, Incheon St. Mary's Hospital, Incheon 21431, South Korea.

Published: October 2022

AI Article Synopsis

  • Tumors from the posterior bladder wall can resemble cervical masses, complicating diagnosis, particularly for atypical leiomyomas in the bladder trigone, which are rare and risk damaging the ureters during surgery.
  • A 29-year-old woman with a suspected bladder leiomyoma underwent surgery, but after four years, a recurrence was found; subsequent pathology confirmed the tumor was a benign leiomyoma without atypia.
  • Regular follow-ups and proper surgical excision are essential for effectively managing these atypical tumors and monitoring for recurrence.

Article Abstract

Background: Tumors originating from the posterior bladder wall can be challenging to diagnose because they may mimic a mass from the uterine cervix. Atypical leiomyoma of the bladder trigone is extremely rare, with few reported cases, and requires caution during surgery to avoid damage to the adjacent ureter. Diagnostic surgery and confirmational pathology are essential to assess whether the tumor is malignant and relieve clinical symptoms. Herein, we describe a case of recurrent leiomyoma with focal atypia in the bladder trigone.

Case Summary: A 29-year-old woman with a uterine fibroid incidentally found at a regular checkup was referred to our hospital. Based on magnetic resonance imaging, either urinary bladder leiomyoma or protrusion of pedunculated uterine cervical fibroid into the bladder was suspected. This leiomyoma in the trigone of the bladder was completely excised by laparotomy, and the patient was discharged without complication. Follow-up outpatient ultrasonography identified tumor recurrence after four years. As focal atypia was identified previously, laparotomy was performed to confirm the pathology. A round solid mass was resected from the posterior bladder wall without injuring either ureteric orifice. This tumor was pathologically diagnosed as a leiomyoma without atypia. Three-year follow-up ultrasonography has revealed no recurrence.

Conclusion: Atypical leiomyoma in bladder trigone is rare and could be easily mistaken for fibroid in the uterine cervix. To confirm histopathology, surgical excision is mandatory and regular follow-up is necessary to detect recurrence.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9602212PMC
http://dx.doi.org/10.12998/wjcc.v10.i29.10728DOI Listing

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