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Laparoscopic partial nephrectomy for tumours >4 cm compared with smaller tumours: perioperative results

  • Urology – Original Paper
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Abstract

Objective

The use of laparoscopic partial nephrectomy (LPN) in patients with tumours >4 cm remains to be further evaluated. We report our experience with LPN in tumours >4 cm compared with tumours ≤4 cm.

Materials and methods

This is a retrospective study of data from all LPN patients operated from 2003 to 2008. Inclusion criteria were a single organ confined contrast enhancing mass/Bosniac III–IV cyst. Hospital admission records were used to extract operative and follow-up data. Patients were grouped into group A: ≤4 cm (32 patients, 53% of total), and group B: >4 cm (28 patients, 47% of total).

Results

A total of 60 patients (mean ± SD age, 47.4 ± 13.4 years; M/F, 36/24) were included. Mean ± SD tumour size was 31.5 ± 7.3 mm and 51.6 ± 10.9 mm in groups A and B, respectively. (P < 0.001) Malignant pathology was present in 22 (69%) and 16 patients (57%) in groups A and B, respectively. (P > 0.05) There was no statistically significant difference in age, gender, pre-operative creatinine, estimated glomerular filtration rate (eGFR), and other investigated pre-operative characteristics between study groups. (all P > 0.05) Nor any difference was observed regarding operative and pathologic (warm ischaemia time, operation duration, transfusion, positive margins, and malignant histology) as well as post-operative variables (re-hospitalization, post-operative complications, hospital stay, or eGFR changes).

Conclusion

The results of this study supports the feasibility and comparability of operative and post-operative early complications for LPN when applied to tumours >4 cm in selected patients compared with tumours ≤4 cm.

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Authors and Affiliations

  1. Department of Urology, Labbafinejad Hospital, Urology and Nephrology Research Centre, 9th Bousan St., Pasdaran Ave., P.O. Box 16666-94516, Tehran, Iran

    A. Nouralizadeh, N. Simforoosh, A. Tabibi, A. Basiri, S. A. M. Ziaee, M. H. Radfar & A. H. Kashi

  2. Department of Urology, Modarress Hospital, Urology and Nephrology Research Centre, Tehran, Iran

    M. Soleimani

  3. Rafsanjan University of Medical Sciences, Rafsanjan, Iran

    M. Abedinzadeh

Authors
  1. A. Nouralizadeh
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  2. N. Simforoosh
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  3. A. Tabibi
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  4. A. Basiri
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  5. S. A. M. Ziaee
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  6. M. Soleimani
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  7. M. H. Radfar
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  8. M. Abedinzadeh
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  9. A. H. Kashi
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Correspondence to A. Nouralizadeh.

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Nouralizadeh, A., Simforoosh, N., Tabibi, A. et al. Laparoscopic partial nephrectomy for tumours >4 cm compared with smaller tumours: perioperative results. Int Urol Nephrol 43, 371–376 (2011). https://doi.org/10.1007/s11255-010-9812-x

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  • DOI: https://doi.org/10.1007/s11255-010-9812-x

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