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Nephron sparing surgery for the treatment of renal masses: A single center experience.

Authors
  • Zazzara, Michele1
  • Carando, Roberto2, 3, 4, 5
  • Nazaraj, Arjan1
  • Scarcia, Marcello1
  • Romano, Michele1
  • Ludovico, Giuseppe Mario1
  • 1 Department of Urology, Ente Ecclesiastico Ospedale Generale Regionale "F. Miulli," Acquaviva delle Fonti, Bari, Italy. , (Italy)
  • 2 Klinik für Urologie, Luzerner Kantonsspital, Lucerne, Switzerland. , (Switzerland)
  • 3 Clinica Luganese Moncucco, Lugano, Switzerland. , (Switzerland)
  • 4 Clinica S. Anna, Sorengo, Switzerland. , (Switzerland)
  • 5 Clinica S. Chiara, Locarno, Switzerland. , (Switzerland)
Type
Published Article
Journal
Urologia
Publication Date
Feb 10, 2021
Identifiers
DOI: 10.1177/0391560321993557
PMID: 33565363
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Nowadays, the partial nephrectomy (PN) not only is considered oncological equivalent to radical nephrectomy as renal tumor's treatment, but has also give benefits in quality of life and overall survival of patients. The primary objective of the present study was to report our single center experience with NSS, predominantly performed by a robot assisted access, in a high-volume center with large experience with minimally invasive surgery. Between June 2018 and January 2020, a consecutive series of 109 patients (pts) with a renal mass suspicious of renal cell carcinoma, feasible of NSS, detected by ultrasound and abdominal computed tomography (CT), underwent NSS and they were included in a prospectively maintained institutional database. Baseline demographics and clinical characteristics, perioperative and postoperative parameters, pathological data were recorded. The mean clinical maximum CT tumor diameter was 37.3 ± 19.6 mm (median 31.5 mm; interquartile range 25-45 mm). PADUA risk was low in 54 pts (49.5%), intermediate in 48 pts (44.0%), high in seven pts (6.4%). The clinical T stage was mostly pT1a (70.6%). NSS was performed by open surgery in nine pts (8.3%), laparoscopy in one pts (0.9%) and was robot assisted in 99 pts (90.8%). A simple enucleation was performed in 67 pts (61.5%), an enucleoresection was performed in 37 pts (33.9%) and a partial nephrectomy was performed in five pts (4.6%). Warm ischemia was performed in 41 pts (37.6%), with a mean warm ischemia time of 5.1 ± 7.1 min. The mean pathological maximum tumor diameter was 35.5 ± 21.7 mm (median 30 mm; interquartile range 22-40 mm). Overall PSM rate was 11.9% (13 pts). In 78% of cases no complication was recorded. No major complications (grade III-IV-V) were noted. Our findings suggest that NSS is a safe, reproducible and minimally invasive approach as treatment of small renal masses. NSS permits to achieve a fine oncological management without any worsening of renal function.

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