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Τετάρτη 4 Απριλίου 2018

Impact of National Comprehensive Cancer Network Guidelines on Case Selection and Outcomes for Sentinel Lymph Node Biopsy in Thin Melanoma

imageBACKGROUND In 2010, the National Comprehensive Cancer Network (NCCN) recommended sentinel lymph node biopsy (SLNB) for thin melanomas ≤1 mm with mitotic rate (MR) ≥1. In 2016, the criteria were changed to Breslow depth >0.75 mm and MR ≥1. OBJECTIVE To compare the impact of 2010 and 2016 NCCN guidelines on SLNB case selection and thin melanoma outcomes. MATERIALS AND METHODS Ten-year retrospective cohort of primary thin melanomas at an academic hospital was retroactively stratified for SLNB eligibility using the 2010 and 2016 NCCN guidelines. Nodal recurrence-free survival (NRFS) and disease-free survival (DFS) were compared. RESULTS Eight hundred two patients with 859 tumors and median follow-up of 79 months were included. Eleven percent fewer tumors qualified for SLNB under 2016 versus 2010 NCCN guidelines (19% vs 8%, p

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