Pathological determinants of oncologic outcomes in stage II renal cell carcinoma: An international multicenter analysis

Autor: Aaron Bloch, Charles Field, Abd−elrahma Hassan, Daniel Han, Brian R. Lane, Ithaar Derweesh, James A. Proudfoot, Alp Tuna Beksac, Zachary Hamilton, Sean Berquist, Anthony L. Patterson, Haluk Ozen
Rok vydání: 2017
Předmět:
Zdroj: Journal of Clinical Oncology. 35:535-535
ISSN: 1527-7755
0732-183X
DOI: 10.1200/jco.2017.35.6_suppl.535
Popis: 535 Background: Clinical Stage II Renal Cell Carcinoma (RCC) is a heterogeneous disease characterized by disparate oncological outcomes. The risk of progression and recurrence can vary widely. We analyzed risk factors associated with oncological outcomes in a contemporary cohort. Methods: Retrospective multicenter analysis of patients who underwent surgical excision of clinical stage 2 (T2) renal mass between 1998-2015. Patients with tumors amenable to nephron−sparing surgery, baseline chronic kidney disease, or bilateral renal masses were provided an option for partial nephrectomy (PN), otherwise radical nephrectomy (RN) was performed. Lymphadenectomy (LND) was performed at the discretion of the surgeon due to concern for lymphadenopathy on preoperative imaging or at time of surgery. Patients with pN+ disease and pathological pT upstaging/downstaging were excluded. Primary endpoint was Recurrence Free Survival (RFS). Univariable linear regression, Kaplan−Meier Analysis (KMA) log−rank test, and multivariable analysis (MVA) for factors related to RFS and overall survival (OS) were performed. Results: 695 patients were analyzed (mean age 59.3 years, median follow up 49.6 months, 61.4% male/38.6% female, 545 RN/150 PN, 193 LND/502 no LND). MVA for factors associated with worsened RFS revealed lymphovascular invasion (LVI, HR 2.27, p=0.002), positive margins (HR 2.67, p=0.008), and tumor grade 3/4 (HR 2.04, p
Databáze: OpenAIRE