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Open Access Highly Accessed Case report

Leiomyoma of the bladder presenting as acute urinary retention in a female patient: urodynamic analysis of lower urinary tract symptom; a case report

Masashi Matsushima12, Hirotaka Asakura1*, Hirofumi Sakamoto1, Minoru Horinaga1, Yoko Nakahira1 and Hitoshi Yanaihara1

Author Affiliations

1 Department of Urology, Saitama Medical School, Moroyama, Saitama, Japan

2 Department of Urology, Keio University School of Medicine, Tokyo, Japan

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BMC Urology 2010, 10:13  doi:10.1186/1471-2490-10-13

Published: 4 August 2010

Abstract

Background

Most bladder tumors are derived from the urothelium. Benign mesenchymal tumors are rare. Leiomyoma of the bladder is the most common benign neoplasm. We present a case of leiomyoma of the bladder presenting with acute urinary retention in a female patient and report on the post-operative change in urodynamic findings. To our knowledge, few cases of this kind have been reported.

Case Presentation

A 56-year-old woman presented with acute urinary retention. Evaluations including ultrasound, magnetic resonance imaging, cystoscopy, and urodynamics contributed to a diagnosis of leiomyoma of the bladder. Various medications were ineffective for solving her lower urinary tract symptoms; therefore, a transurethral resection was performed. The final pathological report was leiomyoma. After the operation, her symptoms resolved; this improvement was confirmed by an urodynamic analysis. The postoperative urodynamics demonstrated a lower frequency of detrusor overactivity during filling cystometry and an increase in the uroflow rate, with reduced detrusor pressure in a pressure flow study.

Conclusions

Leiomyoma of the bladder can cause female outlet obstruction. A review of the literature and disease management is discussed.