Urine – Cyto-eConference


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Item Code: 3600-H

Item Name: The Paris System for Reporting Urinary Cytology
Dorothy L. Rosenthal, MD

Presentation Date: November 25, 2014; Expires: November 25, 2017
Historically, examination of urine for presence of malignant urothelial cells has been successful for High Grade Urothelial Carcinoma (HGUC), but not for Low Grade Urothelial Carcinoma (LGUC).  Indeterminate results are of little clinical significance.  The Paris System for Reporting Urinary Cytology has been developed to emphasize the goal of performing urine examination, i.e., detection of HGUC, and minimizing the detection of LGUC.  Definition of the characteristics of the intermediate category of atypia aims at decreasing that category into a clinically meaningful one.  Criteria for each category have been based on clinical outcomes.