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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-18877

Wild, P J; Fuchs, T; Stoehr, R; Zimmermann, D; Frigerio, S; Padberg, B; Steiner, I; Zwarthoff, E C; Burger, M; Denzinger, S; Hofstaedter, F; Kristiansen, G; Hermanns, T; Seifert, H H; Provenzano, M; Sulser, T; Roth, V; Buhmann, J M; Moch, H; Hartmann, A (2009). Detection of Urothelial Bladder Cancer Cells in Voided Urine Can Be Improved by a Combination of Cytology and Standardized Microsatellite Analysis. Cancer Epidemiology Biomarkers & Prevention, 18(6):1798-1806.

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PURPOSE: To evaluate molecular and immunohistochemical markers to develop a molecular grading of urothelial bladder cancer and to test these markers in voided urine samples.Experimental Design: 255 consecutive biopsies from primary bladder cancer patients were evaluated on a tissue microarray. The clinical parameters gender, age, adjacent carcinoma in situ, and multifocality were collected. UroVysion fluorescence in situ hybridization (FISH) was done. Expression of cytokeratin 20, MIB1, and TP53 was analyzed by immunohistochemistry. Fibroblast growth factor receptor 3 (FGFR3) status was studied by SNaPshot mutation detection. Results were correlated with clinical outcome by Cox regression analysis. To assess the predictive power of different predictor subsets to detect high grade and tumor invasion, logistic regression models were learned. Additionally, voided urine samples of 119 patients were investigated. After cytologic examination, urine samples were matched with their biopsies and analyzed for loss of heterozygosity (LOH), FGFR3 mutation, polysomy, and p16 deletion using UroVysion FISH. Receiver operator characteristic curves for various predictor subsets were plotted.RESULTS: In biopsies, high grade and solid growth pattern were independent prognostic factors for overall survival. A model consisting of UroVysion FISH and FGFR3 status (FISH + FGFR3) predicted high grade significantly better compared with a recently proposed molecular grade (MIB1 + FGFR3). In voided urine, the combination of cytology with LOH analysis (CYTO + LOH) reached the highest diagnostic accuracy for the detection of bladder cancer cells and performed better than cytology alone (sensitivity of 88.2% and specificity of 97.1%).CONCLUSIONS: The combination of cytology with LOH analysis could reduce unpleasant cystoscopies for bladder cancer patients. (Cancer Epidemiol Biomarkers Prev 2009;18(6):OF1-9).


20 citations in Web of Science®
19 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Urological Clinic
04 Faculty of Medicine > University Hospital Zurich > Institute of Surgical Pathology
04 Faculty of Medicine > University Hospital Zurich > Division of Surgical Research
Dewey Decimal Classification:610 Medicine & health
Date:18 June 2009
Deposited On:08 Jun 2009 12:18
Last Modified:05 Apr 2016 13:14
Publisher:American Association for Cancer Research
Publisher DOI:10.1158/1055-9965.EPI-09-0099
PubMed ID:19454613

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