HISTORY:
A 60 year old male presents with gross hematuria of 2 months duration. Computed tomography (CT) urogram of abdomen and pelvis showed a soft tissue nodule measuring 1.3 cm x 1.1 cm within posterior aspect of bladder. Transurethral resection of bladder tumor (TURBT) was done on follow up.
GROSS:
The specimen is designated "deep bladder tumor" and consists of an aggregate of tan-pink, rubbery, cauterized tissue fragments measuring in aggregate 2.4 x 1.5 x 0.5 cm.
What is the most likely diagnosis?
- Pleomorphic giant cell carcinoma of bladder
- Metastatic pleomorphic giant cell carcinoma of prostate
- Osteoclast-rich undifferentiated carcinoma
- Sarcomatoid carcinoma
- Melanoma
Pleomorphic giant cell carcinoma of bladder