HISTORY:
A female in her 50s presents with right flank and back pain with urethral bleeding.
Urine in nephrostomy tube is intermittently cloudy.
The patient currently has a bladder mass and cysto-urethroscopy with resection of bladder lesion (TURB) shows a large nodular tumor at right trigone.
The bladder biopsy is shown.
GROSS:
What is the most likely diagnosis?
- Invasive urothelial carcinoma
- Malakoplakia
- Urothelial carcinoma in situ
- Xanthogranulomatous cystitis