Challenges in Recognizing Urothelial Carcinoma In Situ With Plasmacytoid Features by Urinary Cytology

The first study reporting the urinary cytology findings in patients with the recently described urothelial carcinoma in situ with plasmacytoid features (P-CIS) suggests that variant morphologic findings of P-CIS are subtle and often do not meet the Paris System criteria for high-grade urothelial carcinoma.

Automated summary

The study suggests that the variant morphologic findings of P-CIS are subtle and often do not meet the criteria for high-grade urothelial carcinoma according to the Paris System.