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American Urological Association (AUA), The Journal of Urology, 5(184), p. 1895-1900, 2010

DOI: 10.1016/j.juro.2010.06.106

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Association of Tumor Necrosis With Pathological Features and Clinical Outcome in 754 Patients Undergoing Radical Nephroureterectomy for Upper Tract Urothelial Carcinoma: An International Validation Study

Distributing this paper is prohibited by the publisher
Distributing this paper is prohibited by the publisher

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Abstract

PURPOSE: Tumor necrosis is associated with a poor oncological outcome in patients with upper tract urothelial carcinoma and other malignancies. We validated the association of tumor necrosis with pathological features and clinical outcomes in a large international cohort of patients with upper tract urothelial carcinoma treated with radical nephroureterectomy. MATERIAL AND METHODS: This retrospective study included 754 patients treated with radical nephroureterectomy at a total of 9 centers. Tumor necrosis was scored as greater than 10% of tumor area based on microscopic evaluation. RESULTS: Tumor necrosis was present in 165 specimens (21.9%). The prevalence of tumor necrosis increased with advancing pathological stage, including 7%, 10.6% and 50% for T1, T2 and T3-4, respectively (p