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Title:	Effect of time to sentinel-node biopsy on the prognosis of cutaneous melanoma
Author:	Tejera Vaquerizo, Antonio; Nagore, Eduardo; Puig i Sardà, Susana; Robert, Caroline; Saiag, Philippe; Martín-Cuevas, Paula; Gallego, Elena; Herrera Acosta, Enrique; Aguilera, José; Malvehy, J. (Josep); Carrera Álvarez, Cristina; Cavalcanti, Andrea; Rull, Ramón; Vilalta Solsona, Antonio; Lannoy, Emilie; Boutros, Celine; Benannoune, Naima; Tomasic, Gorana; Aegerte, Philippe; Vidal i Sicart, Sergi; Palou, Josep; Alós i Hernández, Llúcia; Requena, Celia; Traves, Víctor; Pla, Ángel; Bolumar, Isidro; Soriano, Virtudes; Guillén, Carlos; Herrera Ceballos, Enrique
Notes:	Introduction: In patients with primary cutaneous melanoma, there is generally a delay between excisional biopsy of the primary tumour and sentinel-node biopsy. The objective of this study is to analyse the prognostic implications of this delay. Patients and method: This was an observational, retrospective, cohort study in four tertiary referral hospitals. A total of 1963 patients were included. The factor of interest was the interval between the date of the excisional biopsy of the primary melanoma and the date of the sentinel-node biopsy (delay time) in the prognosis. The primary outcome was melanoma-specific survival and disease-free survival. Results: A delay time of 40 days or less (hazard ratio (HR), 1.7; confidence interval (CI), 1.2-2.5) increased Breslow thickness (Breslow ⩾2 mm, HR, >3.7; CI, 1.4-10.7), ulceration (HR, 1.6; CI, 1.1-2.3), sentinel-node metastasis (HR, 2.9; CI, 1.9-4.2), and primary melanoma localised in the head or neck were independently associated with worse melanoma-specific survival (all P < 0.03). The stratified analysis showed that the effect of delay time was at the expense of the patients with a negative sentinel-node biopsy and without regression. Conclusion: Early sentinel-node biopsy is associated with worse survival in patients with cutaneous melanoma.
Subject(s):	-Melanoma -Càncer de pell -Nodes limfàtics -Melanoma -Skin cancer -Lymph nodes
Rights:	cc-by-nc-nd (c) Elsevier B.V., 2015 http://creativecommons.org/licenses/by-nc-nd/3.0/es
Document type:	Article Article - Accepted version
Published by:	Elsevier B.V.
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