Prognostic role of tumour multifocality in renal cell carcinoma

Salvatore Siracusano, Giacomo Novara, Alessandro Antonelli, Walter Artibani, Roberto Bertini, Marco Carini, Giorgio Carmignani, Stefano Ciciliato, Sergio Cosciani Cunico, Nikolitsa Lampropoulou, Nicola Longo, Giuseppe Martorana, Andrea Minervini, Vincenzo Mirone, Claudio Simeone, Alchiede Simonato, Claudio Valotto, Filiberto Zattoni, Vincenzo Ficarra

Research output: Contribution to journalArticlepeer-review


OBJECTIVE · To evaluate the prevalence and the prognostic role of multifocality in a large multi-institutional series of patients who underwent radical or partial nephrectomy for renal cell carcinoma (RCC). METHODS · We retrospectively collected the data of 5378 patients who were surgically treated for RCC in 16 academic centres involved in the Surveillance and Treatment Update Renal Neoplasms (SATURN) project. · Univariable and multivariable Cox regression models addressed time to cancer-specific survival (CSS) after surgery. RESULTS · Tumour multifocality was identified in 249 patients (5%). The median follow-up of the whole cohort was 42 months. At last follow-up, 786 (14.6%) were dead of cancer and 336 (6.2%) had experienced non-cancer-related death. · The 5- and 10-year CSS estimates were 84.1% and 77.3%, respectively, in patients with monofocal RCC, compared with 71.1% and 63.6%, respectively, in patients with multifocal disease ( P <0.001). · In univariable Cox regression analysis, tumour multifocality was significantly associated with CSS (hazard ratio [ HR ] = 1.83; P <0.001). · On multivariate Cox regression analysis adjusted for the effects of other covariates, tumour multifocality did not retain an independent predictive value (HR = 1.24; P = 0.291). CONCLUSIONS · In the present multi-institutional collaboration, about 5% of the patients presented multifocal RCC. · The presence of multifocal cancer was associated with some unfavourable clinical and pathological features. · Although in univariable analysis multifocal tumours had lower CSS probabilities, tumour multifocality did not retain an independent predictive role in multivariable analysis, once adjusted for the effect of the other clinical and pathological covariates.

Original languageEnglish
JournalBJU International
Issue number11 B
Publication statusPublished - Dec 2012


  • Cancer-specific survival
  • Multifocality
  • Prognostic factor
  • Renal cell carcinoma

ASJC Scopus subject areas

  • Urology


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