<?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>1130-0558</journal-id>
<journal-title><![CDATA[Revista Española de Cirugía Oral y Maxilofacial]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Esp Cirug Oral y Maxilofac]]></abbrev-journal-title>
<issn>1130-0558</issn>
<publisher>
<publisher-name><![CDATA[ Sociedad Española de Cirugía Oral y Maxilofacial y de Cabeza y Cuello]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1130-05582022000100044</article-id>
<article-id pub-id-type="doi">10.20986/recom.2022.1317/2021</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Carcinoma ameloblástico mandibular: un diagnóstico infrecuente y desafiante]]></article-title>
<article-title xml:lang="en"><![CDATA[Mandibular ameloblastic carcinoma: an infrequent and challenging diagnosis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Melián Rivas]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Donoso-Hofer]]></surname>
<given-names><![CDATA[Francisca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández Toro]]></surname>
<given-names><![CDATA[María de los Ángeles]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega Pinto]]></surname>
<given-names><![CDATA[Ana Verónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mosqueda Taylor]]></surname>
<given-names><![CDATA[Adalberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital San Juan de Dios Servicio de Cirugía Maxilofacial ]]></institution>
<addr-line><![CDATA[Santiago ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Chile Departamento de Patología y Medicina Oral ]]></institution>
<addr-line><![CDATA[Santiago ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma Metropolitana Xochimilco Departamento de Atención a la Salud ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>44</volume>
<numero>1</numero>
<fpage>44</fpage>
<lpage>48</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1130-05582022000100044&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1130-05582022000100044&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1130-05582022000100044&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El carcinoma ameloblástico es un tumor odontogénico epitelial maligno, infrecuente y de mal pronóstico. Histopatológicamente es una lesión que conserva un patrón de diferenciación ameloblastomatoso, pero presenta características citológicas de malignidad. Debido a su rareza, existe poca información sobre su comportamiento biológico, el cual es reconocido en la literatura por ser inespecífico y variable, ya que puede presentarse como una lesión con características compatibles con una lesión benigna o como una entidad patológica agresiva altamente maligna. Esto último ha supuesto una dificultad no solo en su diagnóstico, sino también en la planificación terapéutica. Se reporta un caso de un carcinoma ameloblástico mandibular en un paciente perteneciente a la séptima década de la vida, destacando sus características clínicas, imagenológicas e histológicas variables que permitieron llegar a un diagnóstico correcto.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Ameloblastic carcinoma is a rare, malignant epithelial odontogenic tumor with a poor prognosis. Histopathologically it preserves an ameloblastomatous differentiation pattern but shows cytological features of malignancy. Due to its rarity, there is limited information on its biological behavior, which is recognized in the literature for being nonspecific and variable, as it may present as a lesion with characteristics compatible with a benign lesion or as a highly malignant aggressive pathological entity. The latter has been a difficulty not only in its diagnosis but also in the therapeutical planning. This article reports a case of a mandibular ameloblastic carcinoma occurring in a patient in the seventh decade of life, highlighting its variable clinical, imaging and histological characteristics that allowed us to reach a definitive diagnosis.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Carcinoma ameloblástico]]></kwd>
<kwd lng="es"><![CDATA[ameloblastoma]]></kwd>
<kwd lng="es"><![CDATA[tumor odontogénico]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico]]></kwd>
<kwd lng="en"><![CDATA[Ameloblastic carcinoma]]></kwd>
<kwd lng="en"><![CDATA[ameloblastoma]]></kwd>
<kwd lng="en"><![CDATA[odontogenic tumor]]></kwd>
<kwd lng="en"><![CDATA[diagnosis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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