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Acta Cytol ; 31(2): 137-42, 1987.
Article in English | MEDLINE | ID: mdl-3469846

ABSTRACT

Because of the rise in incidence of upper urinary tract tumors, there is a need for a simple and reliable method for diagnosing these tumors, especially in people in a "high-risk" group. This retrospective study showed the usefulness of cytology and cytomorphometry in making the diagnosis of transitional-cell carcinoma of the upper urinary tract. The study also emphasized that the methods of collection and processing are of the utmost importance: the cytologic evaluation of ureteral catheterized urine specimens gave 100% accuracy as compared with a 40% false-negative rate in the cytologic diagnosis of voided urine specimens. A higher accuracy of urinary cytology for the diagnosis of upper urinary tract lesions clearly requires selective catheterization of the ureter. Objective cytomorphologic grading of the urinary cytology specimens was shown to compare favorably with histologic grading. Cytomorphologic grading not only can offer important information in determining the prognosis and in planning treatment but can also assist in quality control of other diagnostic methods and can help to resolve apparent diagnostic discrepancies.


Subject(s)
Carcinoma, Transitional Cell/pathology , Urologic Neoplasms/pathology , Cell Nucleus/pathology , Cytodiagnosis , Female , Humans , Image Processing, Computer-Assisted/instrumentation , Male , Neoplasm Staging , Retrospective Studies , Urine/cytology
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