Risk Factors for Upstaging, Recurrence, and Mortality in Clinical T1-2 Renal Cell Carcinoma Patients Upstaged to pT3a Disease: An International Analysis Utilizing the 8th Edition of the Tumor-Node-Metastasis Staging Criteria.

Published on Apr 1, 2020in Urology1.924
· DOI :10.1016/J.UROLOGY.2019.11.036
Zachary Hamilton9
Estimated H-index: 9
(UCSD: University of California, San Diego),
Umberto Capitanio62
Estimated H-index: 62
+ 15 AuthorsIthaar H. Derweesh43
Estimated H-index: 43
(UCSD: University of California, San Diego)
Abstract OBJECTIVE To investigate risk factors for and outcomes in pathological T3a-upstaging in Renal Cell Carcinoma (RCC), as Tumor-Node-Metastasis staging for T3a RCC was recently revised. METHODS Multicenter retrospective analysis of patients with clinical T1-T2 RCC, stratified by occurrence of pathologic T3a-upstaging. Primary outcome was recurrence-free survival (RFS). Multivariable analyses (MVA) were conducted for upstaging and recurrence. Kaplan−Meier analysis (KMA) was utilized for RFS and overall survival (OS). RESULTS We analyzed 2573 patients (1223 RN/1350 PN). Upstaging occurred in 360 (14.0%). On MVA, higher clinical stage was associated with increasing risk of upstaging [cT1a (referent), OR for cT1b, cT2a and cT2b was 2.6, 6.5, and 14.1, p CONCLUSIONS Risk of pT3a-upstaging and recurrence in pT3a-upstaged RCC correlates with clinical stage at presentation. Renal vein and perinephric fat invasion were associated with increased risk of recurrence. PN did not increase risk of recurrence and potential of pT3a-upstaging should not deter consideration of PN.
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