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BACKGROUND This study aimed to compare the clinical effectiveness of urine exfoliated cells FISH examination, CT scan, and urine cytologic examination on the diagnosis of upper urinary tract urothelium carcinoma with hematuresis symptom. MATERIAL AND METHODS A total of 30 patients with suspicious upper urinary tract urothelium carcinoma between Aug 2010 and Aug 2011 were enrolled, including 23 males and 7 females. All the subjects received urine exfoliated cells FISH examination, CT scan, and urine cytologic examination. Twenty-one cases were diagnosed as urothelium carcinoma, including 14 cases of carcinoma of renal pelvis and 7 cases of carcinoma of ureter. There were 6 cases in stage Ta/T1, 12 cases in stage T2, and 3 cases in T3/T4. The other 9 cases consisted of 1 case of neuroendocrine carcinoma of the renal pelvis, 2 cases of nephrotuberculosis, and 6 cases of renal clear cell carcinoma. RESULTS The total sensitivity of FISH examination, CT scan, and urine cytologic examination on upper urinary tract urothelium carcinoma was 85.7%, 66.7%, and 28.6%, respectively (P&lt;0.05). The tumor staging detection on Ta/T1, T2, and T3/T4 by FISH was 66.7%, 91.7%, 100%; by CT scan 33.3%, 75.0%, 100%; and by urine cytologic examination 0%, 25.0%, and 100%. Their diagnostic specificities were 88.9%, 77.8%, and 100%, respectively (P&lt;0.05). CONCLUSIONS The diagnostic sensitivity on upper urinary tract urothelium carcinoma was highest in FISH examination, followed by CT scan and urine cytologic examination. FISH technique obviously improves the diagnosis of upper urinary tract urothelium carcinoma.

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Diagnostic Value Comparison of Urothelium Carcinoma Among Urine Exfoliated Cells Fluorescent In Situ Hybridization (FISH) Examination, Computerized Tomography (CT) Scan, and Urine Cytologic Examination