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Year : 1985  |  Volume : 1  |  Issue : 2  |  Page : 83-89

Urine cytology in the diagnosis of urothelial tumours.


Department of Pathology and Urology, S.M.S. Medical College and Hospital, Jaipur

Correspondence Address:
K Gangwal
Department of Pathology and Urology, S.M.S. Medical College and Hospital, Jaipur

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Source of Support: None, Conflict of Interest: None


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Cytological evaluation of urinary sediment from 1831 patients over a 5 years period revealed that 11.5 percent of all patients presenting with haematuria as the main symptom had a tumour in the urinary tract. 212 tumours were subjected to cytological examination, which diagnosed 203, with a diagnostic accuracy of 95.75 percent. 77.7 percent of the false negative results (4.2 percent of the total number) were accounted for by grade I transitional cell tumours. The 3 histological variants of urothelial tumours presented distinct cytological profiles. Out of 19 false positive smears (1.03 percent of the total number), low grade transitional cell tumours were suggested in 15. Urolithiases and chronic inflammatory lesions of the urothelium accounted for 14 of these. Urine cytology was found to be a useful investigation in the diagnosis of urothelial tumours. A cytohistological correlation of 96.27 percent was obtained.


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