Impact of sentinel node status and other risk factors on the clinical outcome of head and neck melanoma patients
2006
Objective To determine the impact of sentinel lymph node (SLN) status and other risk factors on recurrence and overall survival in head and neck melanoma patients. Design The SLN Working Group, based in San Francisco, Calif, with its 11 member centers, the John Wayne Cancer Institute, and The University of Texas M. D. Anderson Cancer Center pooled data on 629 primary head and neck melanoma patients who had selective sentinel lymphadenectomy. A total of 614 subjects were analyzable. All centers obtained internal review board approval and adhered to the Health Insurance Portability and Accountability Act of 1996 regulations. A Cox proportional hazards model was used to identify factors associated with overall and disease-free survival. Setting Tertiary care medical centers. Main Outcome Measure Clinical outcome of head and neck melanoma patients undergoing selective sentinel lymphadenectomy. Results Overall, 10.1% (n = 62) of the subjects had at least 1 positive node. Subjects with positive SLN status had significantly thicker tumors (mean thickness, 2.8 vs 2.1 mm; P P = .004). During the median follow-up of 3.3 years, the overall mortality from head and neck melanoma was 10%, with more than 20% experiencing at least 1 recurrence. Multivariate analysis showed that tumor site was an independent predictor of mortality; location on the scalp had a more than 3-fold ( P P P Conclusion In this multicenter study, SLN status and other risk factors have an effect on recurrence and/or overall survival.
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