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International Journal of Innovation and Scientific Research
ISSN: 2351-8014
 
 
Wednesday 27 May 2020

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Epidemiology, Treatment and Outcome of Muscle invasive bladder cancer in north Tunisia


Volume 27, Issue 1, October 2016, Pages 176–185

 Epidemiology, Treatment and Outcome of Muscle invasive bladder cancer in north Tunisia

Mouna Ayadi, Meher Nasri, Haroun Ayed, Ahmed Saadi, Mehdi Benna, Yosra Yahyaoui, Khedija Meddeb, Amina Mokrani, Nesrine Chrait, Henda Rais, and Amel Mezlini

Original language: English

Received 28 July 2016

Copyright © 2016 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Introduction: There have been only few data published reporting the clinical or pathological features of bladder cancer in Tunisia. Muscle invasive bladder is characterized by poor outcome despite systemic therapy. We aim to report the epidemiological, clinicopathological features and treatment of invasive bladder cancer in a Tunisian population. Materials and methods: A total of 141 patients diagnosed with invasive bladder cancer were included in the analysis. Data were collected and correlated with overall survival (OS). Kaplan Meier survival analysis was used to evaluate the median survival time and survivals were compared by the log-rank test. Results: Median age at diagnosis was 63 years old. Sex ratio was 14.6. Median follow-up duration was 22 months. Smoking was the most important risk factor in our series (81.6%) of cases followed by occupational exposure. Hematuria was the most common symptom reported in 93.6% of cases. Urothelial bladder carcinoma was the most common histologic subtype representing 93.5% of cases. Only 61 patients underwent curative surgery, followed by adjuvant gemcitabine-based chemotherapy in 32 cases. TNM staging was the most significant prognostic factor in our population (p<0.001). Median overall survival of the organ confined group was 60 months, in the locally advanced group was 36 months and in the metastatic group was 12 months (p<0.001). Conclusions: The increasing incidence of bladder cancer is due to ongoing high prevalence of smoking, which represents the main risk factor. Therefore primary prevention is crucial. Bladder cancer remains diagnosed in Tunisia at locally advanced and/or metastatic stages impairing the prognosis.

Author Keywords: bladder cancer, epidemiology, treatment, prognosis, outcome.


How to Cite this Article


Mouna Ayadi, Meher Nasri, Haroun Ayed, Ahmed Saadi, Mehdi Benna, Yosra Yahyaoui, Khedija Meddeb, Amina Mokrani, Nesrine Chrait, Henda Rais, and Amel Mezlini, “Epidemiology, Treatment and Outcome of Muscle invasive bladder cancer in north Tunisia,” International Journal of Innovation and Scientific Research, vol. 27, no. 1, pp. 176–185, October 2016.