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Survivin is not an independent prognostic factor for patients with upper tract urothelial carcinoma: A multi-institutional study

Abstract : Objective - Several small single-center studies have reported conflicting results on the prognostic value of survivin expression in upper tract urothelial carcinoma (UTUC) following radical nephroureterectomy. We attempted to validate the prognostic utility of survivin using a large multi-institutional cohort. Material and methods - Survivin expression was evaluated by immunohistochemistry in tumor tissue from 732 patients with unilateral, sporadic UTUC treated with radical nephroureterectomy between 1990 and 2008 at 7 centers. Survivin expression was considered altered when at least 10% of the tumor cells stained positive. Associations of altered survivin expression with recurrence-free survival (RFS) and cancer-specific survival (CSS) were evaluated using Cox proportional hazards regression models. Results - Altered survivin expression was observed in 288 (39.3%) tumors and was associated with more advanced pathological tumor stages (P<0.001), lymph node metastases (P<0.001), lymphovascular invasion (P<0.001), tumor necrosis (P = 0.027), and tumor architecture (P<0.001). Median follow-up was 35 (16-64) months. There were 191 (25.4%) patients who experienced disease recurrence, and 165 patients (21.9%) died of the disease. In the univariable analysis, altered survivin expression was significantly associated with worse RFS and CSS (each P<0.001); however, altered survivin expression did not achieve independent predictive status on multivariable models (P = 0.24 and P = 0.53). Similarly, survivin was not independently associated with outcomes in subgroup analyses, including patients with high-grade tumors. Conclusions - In UTUC, altered survivin expression is associated with worse clinicopathological features and worse RFS and CSS. However, it does not appear to be independently associated with cancer outcomes when considering standard prognostic factors.
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Contributor : Laurent Jonchère <>
Submitted on : Wednesday, August 26, 2015 - 11:18:54 AM
Last modification on : Thursday, January 14, 2021 - 11:25:22 AM



Romain Mathieu, Tobias Klatte, Vitaly Margulis, Jose A. Karam, Morgan Rouprêt, et al.. Survivin is not an independent prognostic factor for patients with upper tract urothelial carcinoma: A multi-institutional study. Urologic Oncology: Seminars and Original Investigations, Elsevier, 2015, 33 (11), pp.495.e15-495.e22. ⟨10.1016/j.urolonc.2015.06.016⟩. ⟨hal-01187130⟩



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