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A new terminology for urinary cytopathology: The Paris System for Reporting Urinary Cytology

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A new terminology for urinary cytopathology: The Paris System for Reporting Urinary Cytology
2019 09-15

Authors: Courtade-Saidi M, Cochand-Priollet B, Vielh P, Piaton E

Summary:

As for the Bethesda system for cervical and thyroid cytopathology, a terminology for reporting urinary cytology has been published in 2015. The new “Paris System” provides a consensus terminology for urinary cytology which underlines the criteria for the recognition of high-grade urothelial carcinoma (HGUC) and of those excluding HGUC, or suspicious for HGUC. It also focuses on new rules to recognize and report the subgroup of “atypical urothelial cells”. Here we describe and illustrate the various categories as in the reference book. We analyse the main diagnostic criteria, including microscopic features as well as the risk of malignancy associated to every diagnostic category.

Annales de pathologie

A new terminology for urinary cytopathology: The Paris System for Reporting Urinary Cytology