<?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>2444-7986</journal-id>
<journal-title><![CDATA[Revista ORL]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. ORL]]></abbrev-journal-title>
<issn>2444-7986</issn>
<publisher>
<publisher-name><![CDATA[Ediciones Universidad de Salamanca]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-79862022000100010</article-id>
<article-id pub-id-type="doi">10.14201/orl.26604</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tricofoliculoma del conducto auditivo externo. Un caso excepcional de presentación agresiva]]></article-title>
<article-title xml:lang="en"><![CDATA[Trichofolliculoma of the external auditory canal, an exceptional case of aggressive presentation]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Viveros-Díez]]></surname>
<given-names><![CDATA[Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Benito-Orejas]]></surname>
<given-names><![CDATA[Jose Ignacio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez Quiñones-Sanz]]></surname>
<given-names><![CDATA[María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez Salas]]></surname>
<given-names><![CDATA[Jesús Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duque-Holguera]]></surname>
<given-names><![CDATA[Victoria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Álvarez]]></surname>
<given-names><![CDATA[María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Clínico Universitario de Valladolid Servicio de Otorrinolaringología ]]></institution>
<addr-line><![CDATA[Valladolid ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Clínico Universitario de Valladolid Servicio de Anatomía Patológica ]]></institution>
<addr-line><![CDATA[Valladolid ]]></addr-line>
<country>España</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>13</volume>
<numero>1</numero>
<fpage>93</fpage>
<lpage>96</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S2444-79862022000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S2444-79862022000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S2444-79862022000100010&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN:  Introducción: El tricofoliculoma es una tumoración anexial, infrecuente y benigna, de los folículos pilosos, cuya localización en el conducto auditivo externo (CAE) es excepcional.  Objetivo: Describir y actualizar, las características clínicas y evolutivas del tricofoliculoma del CAE a través de un caso clínico.  Caso clínico: Mujer de 47 años con una tumoración agresiva del CAE, que destruía la mastoides, cuyo estudio histopatológico, tras la cirugía, ofreció el diagnóstico de tricofoliculoma, asociado a un colesteatoma,  Discusión y conclusiones: El tricofoliculoma es un raro tumor de los folículos pilosos, cuya localización en el CAE es excepcional. El comportamiento agresivo del caso presentado quizá fuera debido a su asociación con un colesteatoma, de probable origen secundario.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[SUMMARY:  Introduction and objective: Trichofolliculoma is a rare and benign adnexal tumour of the hair follicles. The location of this tumour in the external auditory canal (EAC) is exceptional. Its diagnosis is histopathological.  Objective: Present an exceptional clinical case, the finding of a trichofolliculoma in the external auditory canal.  Clinical case: We present the clinical case of a CAE trichofolliculoma that, when associated with a cholesteatoma, had an aggressive manifestation with destruction of the temporal bone.  Conclusion: Trichofolliculoma is a rare tumour of the hair follicles whose location in the EAC is exceptional. The aggressive behaviour of the case presented was due to its association with a cholesteatoma, probably secondary to the obstruction and recurrent inflammatory processes of the tumour.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[tricofoliculoma]]></kwd>
<kwd lng="es"><![CDATA[conducto auditivo externo]]></kwd>
<kwd lng="es"><![CDATA[tumor benigno de piel]]></kwd>
<kwd lng="es"><![CDATA[hamartoma]]></kwd>
<kwd lng="en"><![CDATA[trichofolliculoma]]></kwd>
<kwd lng="en"><![CDATA[external auditory canal]]></kwd>
<kwd lng="en"><![CDATA[benign skin tumour]]></kwd>
<kwd lng="en"><![CDATA[hamartoma]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
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<person-group person-group-type="author">
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</person-group>
<source><![CDATA[Cutaneous Adnexal Neoplasms]]></source>
<year>2017</year>
<edition>1ª ed</edition>
<publisher-loc><![CDATA[Switzerland ]]></publisher-loc>
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<source><![CDATA[ORL]]></source>
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</nlm-citation>
</ref>
</ref-list>
</back>
</article>
