<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0016-3813</journal-id>
<journal-title><![CDATA[Gaceta médica de México]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. Méd. Méx]]></abbrev-journal-title>
<issn>0016-3813</issn>
<publisher>
<publisher-name><![CDATA[Academia Nacional de Medicina de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0016-38132023000100038</article-id>
<article-id pub-id-type="doi">10.24875/gmm.22000192</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tasa de recurrencia e implicación del margen quirúrgico en la supervivencia del paciente con melanoma acral. ¿Es necesario un margen amplio?]]></article-title>
<article-title xml:lang="en"><![CDATA[Recurrence rate and survival implications of surgical margins in patients with acral melanoma. Is a wide margin necessary?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lino-Silva]]></surname>
<given-names><![CDATA[Leonardo S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Romero]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Herrera]]></surname>
<given-names><![CDATA[Juan S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zepeda-Najar]]></surname>
<given-names><![CDATA[César]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salcedo-Hernández]]></surname>
<given-names><![CDATA[Rosa A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León-Takahashi]]></surname>
<given-names><![CDATA[Alberto M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escobar-Jiménez]]></surname>
<given-names><![CDATA[Marín G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera-Gómez]]></surname>
<given-names><![CDATA[Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Cancerología Departamento de Patología Oncológica ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Cancerología Departamento de Cirugía Oncológica ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Ángeles Tijuana Departamento de Cirugía Oncológica ]]></institution>
<addr-line><![CDATA[Tijuana Baja California]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2023</year>
</pub-date>
<volume>159</volume>
<numero>1</numero>
<fpage>38</fpage>
<lpage>43</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-38132023000100038&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-38132023000100038&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-38132023000100038&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La extensión apropiada de los márgenes de resección en el melanoma acral no está claramente establecida.  Objetivo: Investigar si la escisión con margen estrecho es adecuada en el melanoma acral grueso.  Métodos: Se estudiaron 306 pacientes con melanoma acral. Conforme a la extensión del margen quirúrgico (de 1 a 2 cm y &gt; 2 cm), se analizaron los factores asociados a la recurrencia y la supervivencia.  Resultados: De 306 pacientes, 183 fueron mujeres (59.8 %). La mediana del grosor de Breslow fue 6 mm; 224 casos (73.2 %) fueron de tipo ulcerados, 154 pacientes (50.3 %) tenían enfermedad en estadio clínico III, 137 en II (44.8 %) y 15 en IV (4.9 %). Todos los casos presentaron margen negativo, con una mediana de 31.5 mm. Un grosor de Breslow de 7 mm (p = 0.001) y la etapa clínica III (p = 0.031) se asociaron a recurrencia; los factores asociados a la supervivencia fueron el índice de Breslow (p = 0.047), la ulceración (p = 0.003), la etapa clínica avanzada (p &lt; 0.001) y el uso de adyuvancia (p = 0.003).  Conclusión: Un margen de resección de 1 a 2 cm no afectó la recurrencia tumoral ni la supervivencia en los pacientes con melanoma acral.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Appropriate size of resection margins in acral melanoma is not clearly established.  Objective: To investigate whether narrow-margin excision is appropriate for thick acral melanoma.  Methods: Three-hundred and six patients with acral melanoma were examined. Factors associated with recurrence and survival were analyzed according to surgical margin size (1 to 2 cm and &gt; 2 cm).  Results: Out of 306 patients, 183 were women (59.8%). Median Breslow thickness was 6 mm; 224 cases (73.2%) were ulcerated, 154 patients (50.3%) had clinical stage III disease, while 137 were at stage II (44.8%) and 15 at stage IV (4.9%). All cases had negative margins, with a median of 31.5 mm. A Breslow thickness of 7 mm (p = 0.001) and clinical stage III (p = 0.031) were associated with recurrence; the factors associated with survival were Breslow index (p = 0.047), ulceration (p = 0.003), advanced clinical stage (p &lt; 0.001), and use of adjuvant therapy (p = 0.003).  Conclusion: A resection margin of 1 to 2 cm did not affect tumor recurrence or survival in patients with acral melanoma.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Margen quirúrgico]]></kwd>
<kwd lng="es"><![CDATA[Melanoma acral]]></kwd>
<kwd lng="es"><![CDATA[Supervivencia]]></kwd>
<kwd lng="en"><![CDATA[Surgical margin]]></kwd>
<kwd lng="en"><![CDATA[Acral melanoma]]></kwd>
<kwd lng="en"><![CDATA[Survival]]></kwd>
</kwd-group>
</article-meta>
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<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[KT]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[EJ]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[DY]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Jang]]></surname>
<given-names><![CDATA[KT]]></given-names>
</name>
<name>
<surname><![CDATA[Mun]]></surname>
<given-names><![CDATA[GH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Surgical excision margin for primary acral melanoma]]></article-title>
<source><![CDATA[J Surg Oncol]]></source>
<year>2016</year>
<volume>114</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>933-9</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
