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. 2020 Oct-Dec;36(4):276-281.
doi: 10.4103/iju.IJU_93_20. Epub 2020 Oct 1.

Long-term follow-up and outcomes of percutaneous nephron-sparing surgery for upper tract urothelial carcinoma

Piyush Bhargav Sarmah  1 , Syed Ali Ehsanullah  1 , Bhupendra Dev Sarmah  1
Affiliations

Long-term follow-up and outcomes of percutaneous nephron-sparing surgery for upper tract urothelial carcinoma

Piyush Bhargav Sarmah et al. Indian J Urol. 2020 Oct-Dec.

Abstract

Introduction: Upper tract urothelial carcinoma (UTUC) is uncommon, accounting for 5%-10% of all urothelial carcinomas. Current standard of care for localized disease consists of radical nephroureterectomy (RNU) which leads to loss of half the patient's functioning nephrons. Percutaneous nephron-sparing surgery (PCNSS) is an alternative minimally-invasive approach in selected cases where nephron preservation is desired. The long-term outcomes of this procedure at a single center are described.

Methods: All patients undergoing PCNSS, with the operation carried out by a single surgeon, were included. Equipment used was a standard 26Ch resectoscope through a 30Ch Amplatz sheath, with all patients receiving postoperative intrapelvic Mitomycin. Data for each patient were collected on patient age; tumor size at diagnosis; grade; stage; oncological recurrence; requirement for subsequent RNU; and overall survival. Primary outcomes were disease recurrence and overall mortality, and secondary outcome was rate of subsequent RNU.

Results: Fifteen patients in total underwent PCNSS, 14 were diagnosed with UTUC; benign leiomyoma was proven in one patient and excluded from final analysis. Overall survival at 5 and 10 years was 92.9% and 78.6%, respectively, with disease-specific mortality at 10 years of 7.1% (one patient who developed metastatic carcinoma); 21.4% of patients had recurrent ipsilateral UTUC and all required subsequent RNU for this indication. No patients had seeding of the percutaneous tract.

Conclusion: PCNSS for UTUC is a feasible approach to consider in carefully selected patients who agree to intensive follow-up, even for higher grade tumors. Where recurrent UTUC occurs, further management options still exist for disease treatment.

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Conflict of interest statement

Conflicts of interest: There are no conflicts of interest.

Figures

Figure 1
Figure 1
Kaplan-Meier curve demonstrating overall disease-specific survival
Figure 2
Figure 2
Kaplan-Meier curve demonstrating recurrence-free survival
See this image and copyright information in PMC

Comment in

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