HISTORY:
A male in his 60s presented with gross hematuria. Cystourethroscopy revealed a bladder tumor at the dome, posterior wall and left lateral wall. He was followed up with transurethral resection of bladder tumor (TURBT).
GROSS:
The specimen is designated "large volume multifocal bladder tumors (solid and papillary)" and consists of an aggregate of irregularly-shaped, tan/pink soft tissue fragments with cautery present which measures 6.1 x 5.6 x 1.1 cm.
What is the most likely diagnosis?
- Lymphoma
- Urothelial carcinoma with lymphoepithelioma-like features
- Paraganglioma of urinary bladder
- Urothelial carcinoma with small cell/neuroendocrine features and conventional features
- Urothelial carcinoma with large cell/neuroendocrine features
Urothelial carcinoma with small cell/neuroendocrine features and conventional features