Sarcomatoid urothelial carcinoma
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Sarcomatoid urothelial carcinoma (abbreviated sarcomatoid UC), also sarcomatoid urothelial cell carcinoma (abbreviated sarcomatoid UCC), is a rare variant of urothelial carcinoma.[1]
General
- Rare.[1]
Microscopic
Features:
- Urothelial carcinoma (classic or recognizable variant).
- Sarcomatoid differentiation.
DDx:
- Sarcoma - esp. those arising from the retroperitoneum.