IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-8-2-17920 Original Research Paper A Retrospective Study of Urine Cytology Samples as per the Paris System Sengupta Dr. PS Mishra Dr. February 2019 8 2 01 02 ABSTRACT

 

Background: The Paris system[i] (TPS) for reporting urinary cytology was published in 2016 with the goal of standardization of reporting urine cytology. The primary objective of this exercise was early detection of high grade urothelial carcinoma (HGUC). Materials and methods: A retrospective study was done to classify as per TPS, all urine cytology samples received in the period between 01 Jan 2016 to 31 Dec 2016 at a tertiary care hospital.  All preserved slides of urine cytology were retrieved from the archives, reviewed by two experienced pathologists (PSM&PSG) and reclassified into various categories as specified by TPS. Biopsy reports of patients, where available, were compared against the cytology reports. Results: A total of 432 stained urine cytology smears (prepared from 200 urine samples) of 72 different patients (56 males and 16 females) were studied. A total of 24 samples were categorized as Category I, 159 as Category II, 07 as Category III,   02 as Category IV and 08 as Category VI. There were no cases in category V and VII. Conclusion: TPS is an objective tool for reporting urine cytology specimens and is particularly useful in identifying HGUC cases. The detection rate of low grade urothelial carcinoma (LGUC) by this system is low, in keeping with findings of similar studies.


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