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Pseudosarcomatous myofibroblastic proliferation of the urinary bladder
Chi-Hao Hsiao1, Yu-Ching Wen, Liang-Ming Lee
1Department of Urology, Taipei Medical University-Municipal Wan Fang Hospital, Taipei, Taiwan, Republic of China.
Journal of the Chinese Medical Association : JCMA
|September 6, 2008
Summary
Pseudosarcomatous myofibroblastic proliferation (PMP) is a rare bladder lesion. This case highlights its potential misdiagnosis and successful treatment with transurethral resection and follow-up.
Area of Science:
- Uropathology
- Surgical Oncology
Background:
- Pseudosarcomatous myofibroblastic proliferation (PMP) is an uncommon benign bladder lesion.
- It originates from the submucosal stroma and can mimic malignant tumors.
Observation:
- A 38-year-old female presented with a suspected urothelial carcinoma based on intravenous pyelography.
- Initial transurethral resection revealed PMP, not carcinoma.
Findings:
- Local recurrence of PMP was noted two months post-initial resection.
- A second tumor resection was performed successfully.
Implications:
- PMP can be challenging to diagnose preoperatively, potentially leading to misdiagnosis.
- Aggressive surgical management and diligent follow-up are crucial for managing bladder PMP.
- This case underscores the importance of histopathological confirmation for bladder lesions.
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