Letter to the Editor
Morbidity Associated With the Timing of Lymphadenectomy for Sentinel Lymph Node Metastasis in Melanoma: A Clarification Concerning the Available Evidence
Morbilidad relacionada con el momento de la linfadenectomía por afectación del ganglio centinela en el melanoma: Una puntualización a su evidencia
A. Piñero-Madrona
Servicio de Cirugía General, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
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B, Dermoscopy image showing a homogeneous blue pattern.</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "P. Rodríguez-Jiménez, F. Mayor-Sanabria, A. Rütten, J. Fraga, M. Llamas-Velasco" "autores" => array:5 [ 0 => array:2 [ "nombre" => "P." "apellidos" => "Rodríguez-Jiménez" ] 1 => array:2 [ "nombre" => "F." "apellidos" => "Mayor-Sanabria" ] 2 => array:2 [ "nombre" => "A." "apellidos" => "Rütten" ] 3 => array:2 [ "nombre" => "J." "apellidos" => "Fraga" ] 4 => array:2 [ "nombre" => "M." "apellidos" => "Llamas-Velasco" ] ] ] ] ] "idiomaDefecto" => "en" "Traduccion" => array:1 [ "es" => array:9 [ "pii" => "S0001731020303409" "doi" => "10.1016/j.ad.2019.05.011" "estado" => "S300" "subdocumento" => "" "abierto" => array:3 [ "ES" => true "ES2" => true "LATM" => true ] "gratuito" => true "lecturas" => array:1 [ "total" => 0 ] "idiomaDefecto" => "es" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S0001731020303409?idApp=UINPBA000044" ] ] "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1578219020303735?idApp=UINPBA000044" "url" => "/15782190/0000011200000001/v1_202101161046/S1578219020303735/v1_202101161046/en/main.assets" ] "en" => array:13 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Letter to the Editor</span>" "titulo" => "Morbidity Associated With the Timing of Lymphadenectomy for Sentinel Lymph Node Metastasis in Melanoma: A Clarification Concerning the Available Evidence" "tieneTextoCompleto" => true "saludo" => "To the Editor:" "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "97" "paginaFinal" => "98" ] ] "autores" => array:1 [ 0 => array:3 [ "autoresLista" => "A. Piñero-Madrona" "autores" => array:1 [ 0 => array:3 [ "nombre" => "A." "apellidos" => "Piñero-Madrona" "email" => array:1 [ 0 => "pineromadrona@gmail.com" ] ] ] "afiliaciones" => array:1 [ 0 => array:2 [ "entidad" => "Servicio de Cirugía General, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain" "identificador" => "aff0005" ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Morbilidad relacionada con el momento de la linfadenectomía por afectación del ganglio centinela en el melanoma: Una puntualización a su evidencia" ] ] "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">I recently read with interest the special article published in your journal by Moreno-Ramírez et al<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> on the proposed management of patients with melanoma and metastasis of the sentinel lymph node. I could agree more with the majority of the proposals, and I congratulate the authors on their efforts to put order on a controversial and continually changing topic. However, I disagree with the authors on at least one of the points supporting their proposal. Table 3 of the article states that the “Frequency of surgical morbidity is greater in patients who undergo immediate lymph node dissection than in those who enter follow-up with therapeutic dissection”, a statement the authors claim is supported by level 1b evidence.</p><p id="par0010" class="elsevierStylePara elsevierViewall">This statement is surprising because the corresponding citation refers the reader to the MSLT-II study, in which no specific analysis was performed, nor any conclusion drawn, on the association between surgical morbidity and the moment at which lymphadenectomy is performed.<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a> In fact, discussion of adverse effects in the Results section of the cited article only mentions that “Adverse events were more common among patients after completion of lymph-node dissection than among patients in the observation group”, and makes no mention of “follow-up with therapeutic dissection”, suggesting that the findings of this study do not support the authors’ statement.</p><p id="par0015" class="elsevierStylePara elsevierViewall">It is possible that Moreno-Ramírez et al are actually referring to the MSLT-I study,<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a> which shares the same first author with the MSLT-II study and compares morbidity associated with immediate versus delayed lymphadenectomy. However, if this is indeed the case, the conclusion is the opposite to that presented. The MSLT-I study<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a> concludes that there is no higher incidence of dysesthesias in the immediate lymphadenectomy group, and that lymphedema is significantly more frequent in the delayed versus the immediate lymphadenectomy group (20.4% and 12.4%, respectively; p = 0.04). These findings are in direct contrast to the statement in the aforementioned Table 3.<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> In fact, in the MSLT-I study multivariate analysis to identify risk factors for lymphedema revealed that body mass index and delayed lymphadenectomy were the only factors for which a trend towards an association was observed, irrespective of the location (axillary or inguinal) of the lymphadenectomy.</p><p id="par0020" class="elsevierStylePara elsevierViewall">It should be taken into account that the MSLT-I study included cases of melanoma in which sentinel node biopsy was indicated, while the MSLT-II study included patients with sentinel lymph node involvement. This difference should not alter the conclusions about the time point at which lymphadenectomy is performed, nor the corresponding level of evidence (given the design of the study).</p><p id="par0025" class="elsevierStylePara elsevierViewall">In conclusion, without detracting from the article’s conclusions or the proposed decision-making algorithm, it would be prudent, and would better support the authors’ argument, to properly qualify and correct this point.</p></span>" "pdfFichero" => "main.pdf" "tienePdf" => true "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "☆" "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Please cite this article as: Piñero-Madrona A. Morbilidad relacionada con el momento de la linfadenectomía por afectación del ganglio centinela en el melanoma: Una puntualización a su evidencia. Actas Dermosifiliogr. 2021;112:97–98.</p>" ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0005" "bibliografiaReferencia" => array:3 [ 0 => array:3 [ "identificador" => "bib0005" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Disección ganglionar en el paciente con melanoma y metástasis en el ganglio centinela: Propuesta de decisión basada en la evidencia actual" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "D. Moreno-Ramírez" 1 => "A. Boada" 2 => "L. Ferrándiz" 3 => "E. Samaniego" 4 => "G. Carretero" 5 => "E. Nagore" ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1016/j.ad.2018.02.008" "Revista" => array:6 [ "tituloSerie" => "Actas Dermosifiliogr" "fecha" => "2018" "volumen" => "109" "paginaInicial" => "390" "paginaFinal" => "398" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/29650221" "web" => "Medline" ] ] ] ] ] ] ] ] 1 => array:3 [ "identificador" => "bib0010" "etiqueta" => "2" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Completion dissection or observation for sentinel-node metastasis in melanoma" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "M.B. Faries" 1 => "J.F. Thompson" 2 => "A.J. Cochran" 3 => "R.H. Andtbacka" 4 => "N. Mozzillo" 5 => "J.S. Zager" ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1056/NEJMoa1613210" "Revista" => array:6 [ "tituloSerie" => "N Engl J Med" "fecha" => "2017" "volumen" => "376" "paginaInicial" => "2211" "paginaFinal" => "2222" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/28591523" "web" => "Medline" ] ] ] ] ] ] ] ] 2 => array:3 [ "identificador" => "bib0015" "etiqueta" => "3" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "The impact on morbidity and length of stay of early versus delayed complete lymphadenectomy in melanoma: Results of the Multicenter Selective Lymphadenectomy Trial I" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "M.B. Faries" 1 => "J.F. Thompson" 2 => "A.C. Cochran" 3 => "R. Elashoff" 4 => "E.C. Glass" 5 => "N. Mozzillo" ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1245/s10434-010-1203-0" "Revista" => array:6 [ "tituloSerie" => "Ann Surg Oncol" "fecha" => "2010" "volumen" => "17" "paginaInicial" => "3324" "paginaFinal" => "3329" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/20614193" "web" => "Medline" ] ] ] ] ] ] ] ] ] ] ] ] ] "idiomaDefecto" => "en" "url" => "/15782190/0000011200000001/v1_202101161046/S1578219020303723/v1_202101161046/en/main.assets" "Apartado" => array:4 [ "identificador" => "6208" "tipo" => "SECCION" "en" => array:2 [ "titulo" => "Letters to the Editor" "idiomaDefecto" => true ] "idiomaDefecto" => "en" ] "PDF" => "https://static.elsevier.es/multimedia/15782190/0000011200000001/v1_202101161046/S1578219020303723/v1_202101161046/en/main.pdf?idApp=UINPBA000044&text.app=https://actasdermo.org/" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1578219020303723?idApp=UINPBA000044" ]
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