Objective: To evaluate the oncologic outcomes of nephron-sparing surgery (NSS) for localized chromophobe renal cell carcinoma (cRCC).

Material And Methods: We performed a multicenter international study involving the French Network for Research on Kidney Cancer (UroCCR) and 5 international teams. Data from 808 patients treated with NSS between 2004 and 2014 for non-clear cell RCCs were analyzed.

Results: We included 234 patients with cRCC. There were 123 (52.6%) females. Median age was 61 (23-88) years. Median tumor size was 3 (1-11)cm. A positive surgical margin was identified in 14 specimens (6%). Pathologic stages were T1, T2, and T3a in 202 (86.3%), 9 (3.8%), and 23 (9.8%) cases, respectively. After a mean follow-up of 46.6 ± 36 months, 2 (0.8%) patients experienced a local recurrence. No patient had metastatic progression, and no patient died from cancer. Three-years estimated cancer-free survival and cancer-specific survival were 99.1% and 100%, respectively.

Conclusion: Oncological results of NSS for localized cRCC are excellent. In this series, only 2 patients had a local recurrence, and no patient had metastatic progression or died from cancer.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9084474PMC
http://dx.doi.org/10.1016/j.urolonc.2016.08.012DOI Listing

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