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URINE CYTOLOGY
Urine typically contains epithelial cells shed from the urinary tract. Urine cytology evaluates this urinary sediment for the presence of cancerous cells from the lining of the urinary tract, and it is a convenient noninvasive technique for follow-up analysis of patients treated for urinary tract cancers. For this process, urine must be collected in a reliable fashion, and if urine samples are inadequate, the urinary tract can be assessed via instrumentation. In urine cytology, collected urine is examined microscopically. One limitation, however, is the inability to definitively identify low-grade cancer cells and urine cytology is used mostly to identify high-grade tumors.
BIJAN SHEKARRIZ
MARSHALL L. STOLLER
(SEE ALSO: Genitourinary Disease; Urinalysis)
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Author Info: BIJAN SHEKARRIZ, MARSHALL L. STOLLER, The Gale Group Inc., Macmillan Reference USA, New York, Gale Encyclopedia of Public Health, 2002 |
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