3 years ago

Survival of renal cell carcinoma metastatic to nonthyroid head and neck region: A systematic review

Patrik Pipkorn, Nicholas R. Scott-Wittenborn, Tzyy-Nong Liou, Dorina Kallogjeri, Judith E. Lieu
Objective Metastasis of renal cell carcinoma to nonthyroid head and neck region is rare. Survival benefit for complete metastasectomy of more common renal cell foci has been reported in the literature. It is uncertain whether metastasectomy in nonthyroid head and neck region would provide a similar benefit. Data Sources We conducted a retrospective review of all renal cell metastases to the head and neck region treated in the past 15 years at an academic hospital, and a systematic review of all relevant reports with survival data in the literature between 1960 and 2016. Review Methods An analysis of pooled data was performed to estimate overall survival. Results Six cases from our institution and 260 independent cases reported in the literature were included in the survival analyses (n = 266). The median follow-up time was 12 months (range 0–180 months). The overall median survival was 36 months (95% confidence interval [CI] 23.7–48.3). The median survival for those who underwent complete metastasectomy in the head and neck was significantly higher at 60 months (95% CI 41.1–78.9) than those who had incomplete or no metastasectomy (12 months, 95% CI 9.5–14.5). Multivariable Cox proportional hazards model estimated that, after controlling for potential confounders, complete metastasectomy remained associated with reduced risk of death (hazard ratio 0.44, 95% CI 0.29–0.69). Conclusion Complete metastasectomy was associated with 4-year longer median overall survival than incomplete metastasectomy or no metastasectomy. Laryngoscope, 2017

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/lary.26892

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