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Minerva Urologica e Nefrologica 2017 December;69(6):523-38

DOI: 10.23736/S0393-2249.17.02864-8

Copyright © 2017 EDIZIONI MINERVA MEDICA

lingua: Inglese

Positive surgical margins and local recurrence after simple enucleation and standard partial nephrectomy for malignant renal tumors: systematic review of the literature and meta-analysis of prevalence

Andrea MINERVINI 1, Riccardo CAMPI 1 , Francesco SESSA 1, Ithaar DERWEESH 2, Jihad H. KAOUK 3, Andrea MARI 1, Koon H. RHA 4, Maurizio SESSA 5, Alessandro VOLPE 6, Marco CARINI 1, Robert G. UZZO 7

1 Department of Urology, Careggi Hospital, University of Florence, Florence, Italy; 2 Department of Urology, UC San Diego Health System, La Jolla, CA, USA; 3 Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH, USA; 4 Department of Urology, Urological Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea; 5 Department of Experimental Medicine, Section of Pharmacology “L. Donatelli”, II University of Naples, Naples, Italy; 6 Department of Urology, University of Eastern Piedmont, Novara, Italy; 7 Division of Urologic Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA


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INTRODUCTION: The definition of the safest width of healthy renal margin to achieve oncological efficacy and therefore of the safest resection technique (RT) during partial nephrectomy (PN) continues to be widely debated. The aim of this study is to evaluate the prevalence of positive surgical margins (PSM), loco-regional recurrence (LRR) and renal recurrence (RER) rates after simple enucleation (SE) and standard partial nephrectomy (SPN) for malignant renal tumors.
EVIDENCE ACQUISITION: A systematic review of the English-language literature was performed through August 2016 using the Medline, Web of Science and Embase databases according to the PRISMA criteria. A systematic review and meta-analysis was performed in those studies that defined the exact anatomical location of recurrence after PN.
EVIDENCE SYNTHESIS: Overall, 33 studies involving 11,282 patients were selected for quantitative analysis. At a median follow-up of 43 (SE) and 52 (SPN) months, the pooled estimates of the prevalence of PSMs, LRR and RER were 2.7% (95% CI: 1.5-4.6%, P<0.001) and 0.4% (95% CI: 0.1-2.2%, P=0.018), 2.0% (95% CI: 1.4-2.8%, P<0.001) and 0.9% (95% CI: 0.5-1,7%, P=0.04), 1.5% (95% CI: 0.9-2.3%, P=0.001) and 0.9% (95% CI: 0.5-1,7%, P=0.40) in patients undergoing SPN and SE, respectively.
CONCLUSIONS: Our systematic analysis and meta-analysis demonstrates that SE is noninferior to SPN regarding PSM, LRR and RER rates in patients undergoing PN for malignant renal tumors. Further studies using standardized reporting tools are needed to evaluate the role of resection techniques for oncologic outcomes after PN.


KEY WORDS: Recurrence - Margins of excision - Review - Enucleation - Nephrectomy

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Publication History

Issue published online: October 25, 2017
Article first published online: January 26, 2017
Manuscript accepted: January 10, 2017
Manuscript received: November 27, 2016

Per citare questo articolo

Minervini A, Campi R, Sessa F, Derweesh I, Kaouk JH, Mari A, et al. Positive surgical margins and local recurrence after simple enucleation and standard partial nephrectomy for malignant renal tumors: systematic review of the literature and meta-analysis of prevalence. Minerva Urol Nefrol 2017;69:523-38. DOI: 10.23736/S0393-2249.17.02864-8

Corresponding author e-mail

riccardo.campi@gmail.com