The Efficiency of the EORTC Scoring System for the Prediction of Recurrence and Progression of Non-muscle-invasive Bladder Cancer Treated by Bacillus Calmette-Guerin Immunotherapy.

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Ajili, Faouzia | Darouiche, Amine | Chebil, Mouhamed | Boubaker, Samir

Edité par CCSD ; Taylor & Francis -

International audience. Abstract The authors determined the recurrence and progression at 1 year in patients with non-muscle-invasive urothelial carcinoma who underwent transurethral resection of bladder tumor (TURBT) and compared the results with the calculated risk according to the European Organization of Research and Treatment of Cancer (EORTC). Between 2002 and 2011, a total of 112 patients with NMIBC were treated with transurethral resection of bladder cancer. According to the EORTC scoring system, the patients were categorized in terms of number of tumors, tumor size, prior recurrence rate, T category, carcinoma in situ, and pathologic grade, and the scores were summed. According to the summed scores, the recurrence group and the progression group were divided into 3 subgroups: low, intermediate, and high risk, respectively. The recurrence rate and progression rate of each group were compared with the EORTC risk tables. The mean patient age was 63.9 years (range: 25-85) at diagnosis. Seventy-eight patients (68.4%) had a recurrent disease, 53 (47.3%) had a tumor larger than 3 cm in diameter, 55 (49.1%) had multiple lesions, 3 (0.26%) had carcinoma in situ, 44(39.3%) had stage T1 lesions, and 20 (17.8%) had a high-grade disease. The recurrence rates were 0, 14.2, 31.25, and 85.71% in groups with the predicted EORTC risks of 15, 24, 38, and 61%, respectively. There were 3 patients (0.2%) with progression of the diseases. The EORTC model successfully stratified recurrence and progression risks in this cohort. However, the discriminative ability of the EORTC tables decreased in these patients for progression.

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