<?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>0213-1285</journal-id>
<journal-title><![CDATA[Avances en Odontoestomatología]]></journal-title>
<abbrev-journal-title><![CDATA[Av Odontoestomatol]]></abbrev-journal-title>
<issn>0213-1285</issn>
<publisher>
<publisher-name><![CDATA[Ediciones Avances, S.L.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0213-12852019000300005</article-id>
<article-id pub-id-type="doi">10.4321/s0213-12852019000300005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores asociados a la malignización del liquen plano oral. Revisión de la literatura]]></article-title>
<article-title xml:lang="en"><![CDATA[Factors associated with the malignization of oral lichen planus. Review of the literature]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Asensi Anta]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sardañés Martínez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Izquierdo Gómez]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jané Salas]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A2b"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrugo Debesa]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A2b"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López López]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A2b"/>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Barcelona Facultad de Medicina y Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>España</country>
</aff>
<aff id="A2a">
<institution><![CDATA[,Universidad de Barcelona Facultad de Medicina y Ciencias de la Salud Departamento de Odontoesotmoatología]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>España</country>
</aff>
<aff id="A2b">
<institution><![CDATA[,Institut d'Investigació Biomédica de Bellvitge Oral Health and Masticatory System Group ]]></institution>
<addr-line><![CDATA[L'Hospitalet de Llobregat Barcelona]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Odontológico Universidad de Barcelona Área Médico Quirúrgica ]]></institution>
<addr-line><![CDATA[L'Hospitalet de Llo bregat Barcelona]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>35</volume>
<numero>3</numero>
<fpage>131</fpage>
<lpage>137</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0213-12852019000300005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0213-12852019000300005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0213-12852019000300005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introcucción: El liquen plano (LP) es una enfermedad sistémica autoinmune de etiología desconocida y curso crónico que puede resultar en el desarrollo de carcinoma oral de células escamosas (COCE).  Objetivo: Evaluar la evidencia relacionada con la malignización del LPO, así como las características clínicas y la incidencia de las lesiones que pueden desarrollan un COCE.  Material y métodos: Se revisa la base de datos MEDLINE PubMed de los últimos 5 años (2013-2018) utilizando las siguientes palabras clave: &#8220;malignant transformation of oral lichen planus&#8221; and &#8220;squamous cell oral carcinoma&#8221;.  Resultados: Se obtuvieron 48 artículos de los cuales tras la lectura resúmenes y la aplicación de nuestros criterios de inclusión y exclusión obtuvimos un total de 19 artículos, además de los 4 artículos añadidos mediante búsqueda manual. La revisión se basa en la comparación de 9 estudios de cohortes para analizar la incidencia de la progresión de LPO a COCE.  Conclusiones: Debemos considerar el LPO como una enfermedad potencialmente maligna (0.5- 1%) siendo el sexo femenino, el tipo erosivo y la localización en la lengua factores de riesgo para la transformación a COCE. Teniendo en cuenta el riesgo de malignización es esencial el control de las lesiones para poder realizar un diagnóstico precoz.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Lichen planus (LP) is a systemic autoimmune disease of unknown etiology and chronic course that can result in the development of oral squamous cell carcinoma (OECD).  Objective: To evaluate the evidence related to the malignization of the LPO as well as the clinical characteristics and the incidence of the lesions that can develop a COCE.  Material and methods: The MEDLINE PubMed database of the last 5 years (2013-2018) was reviewed using the following keywords: &#8220;malignant transformation of oral lichen planus&#8221; and &#8220;squamous cell oral carcinoma&#8221;.  Results: 48 articles were obtained, after reading the summaries and applying our inclusion and exclusion criteria, we obtained a total of 19 articles, in addition to the 4 articles added by manual search. The review is based on the comparison of 9 cohort studies to analyze the incidence of progression from LPO to COCE.  Conclusions: We should consider the LPO as a potentially malignant disease (0.5-1%), being the female sex, the erosive type and the localization in the tongue as a risk factors for the transformation to COCE. Taking into account the risk of malignancy, it is essential to control the lesions in order to make an early diagnosis.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Transformación maligna del liquen plano]]></kwd>
<kwd lng="es"><![CDATA[Carcinoma de células escamosas]]></kwd>
<kwd lng="es"><![CDATA[Liquen plano oral]]></kwd>
<kwd lng="es"><![CDATA[Cáncer oral]]></kwd>
<kwd lng="en"><![CDATA[Malignant transformation of oral lichen planus]]></kwd>
<kwd lng="en"><![CDATA[Squamous cell oral carcinoma]]></kwd>
<kwd lng="en"><![CDATA[Oral lichen planus]]></kwd>
<kwd lng="en"><![CDATA[Oral cancer]]></kwd>
</kwd-group>
</article-meta>
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