The effect of delaying nephrectomy on oncologic outcomes in patients with renal tumors greater than 4cm

Urologic Oncology
Roy ManoPaul Russo

Abstract

Delaying nephrectomy<3 months does not adversely affect treatment outcome of renal tumors. Whether surgical waiting time (SWT; time from diagnosis to surgery)>3 months affects treatment outcome for large renal masses has not been well studied. We aimed to evaluate if SWT is associated with treatment outcome of renal masses >4cm and identify patients who are more likely to experience prolonged SWT. Data from 1,484 patients undergoing radical or partial nephrectomy at a single institution for a nonmetastatic renal mass>4cm between 1995 and 2013 were reviewed. Patients with benign tumors and incomplete preoperative data were excluded. The association between SWT and disease upstaging at the time of surgery and recurrence at 2 and 5 years was assessed using logistic regression. Cancer-specific survival (CSS) and overall survival were assessed with landmark survival analyses and multivariable Cox proportional hazards models. All analyses were adjusted for patient and tumor characteristics. Of the final cohort of 1,278 patients, 267 (21%) had SWT>3 months. Patients with larger, symptomatic tumors had shorter SWT. Median follow-up for survivors was 3.8 years (interquartile range: 1.5-7.4). On multivariable analysis, SWT was not associ...Continue Reading

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