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[Inverted papilloma of the upper urinary tract].
R Ferrero Doria1, E Huertas Valero, B Coronel Sánchez
1Servicio de Urología, Hospital Francesc Borja, Gandía (Valencia).
Actas Urologicas Espanolas
|June 29, 2005
Summary
Inverted papillomas of the upper urinary tract are rare, benign tumors. These cases highlight their association with bladder cancer, necessitating close patient monitoring.
Area of Science:
- Urology
- Oncology
- Pathology
Background:
- Inverted papilloma (IP) is a rare neoplasm originating from the urothelium.
- Upper urinary tract inverted papillomas (UTIPs) are exceptionally uncommon and typically benign.
- These tumors present diagnostic and management challenges due to their rarity.
Observation:
- Two cases of benign ureteral inverted papilloma are presented.
- Case 1 was diagnosed during investigation of an upper urinary tract infection.
- Case 2 presented with gross hematuria.
Findings:
- Both identified ureteral inverted papillomas were histologically benign.
- A significant association with asynchronous and synchronous bladder carcinoma was observed in both cases.
- This association underscores the potential for co-existing or subsequent urothelial malignancies.
Implications:
- The findings emphasize the critical importance of vigilant follow-up for patients diagnosed with ureteral inverted papilloma.
- Close monitoring may facilitate early detection of associated or subsequent bladder cancers.
- This approach is crucial for optimizing patient outcomes and managing urothelial cancer risk.