<?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>2604-1227</journal-id>
<journal-title><![CDATA[Revista mexicana de oftalmología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. oftalmol]]></abbrev-journal-title>
<issn>2604-1227</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Oftalmología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2604-12272021000500222</article-id>
<article-id pub-id-type="doi">10.24875/rmo.m21000157</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Fístula carótida cavernosa, reporte de un caso de difícil diagnóstico]]></article-title>
<article-title xml:lang="en"><![CDATA[Carotid-cavernous fistula, report of a difficult case]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chica-Calderón]]></surname>
<given-names><![CDATA[Sara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Alviar]]></surname>
<given-names><![CDATA[María E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Vélez]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia Servicio de Oftalmología ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,CediMed  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<volume>95</volume>
<numero>5</numero>
<fpage>222</fpage>
<lpage>226</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2604-12272021000500222&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2604-12272021000500222&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2604-12272021000500222&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se presenta el caso de una paciente de 64 años con síntomas inespecíficos, de 7 meses de evolución, de diplopía y proptosis unilateral. Al examen físico muestra una marcada limitación de la abducción del recto lateral, pero en la resonancia magnética se observa principalmente un engrosamiento del recto medio. Se hace diagnóstico de oftalmopatía distiroidea por lectura de neurorradiólogo. Por no mejoría de la paciente con el tratamiento y continuidad de sus síntomas, se pide una relectura de la resonancia, en la que se encuentran signos de una fístula carotidocavernosa. El diagnóstico de proptosis es un reto en oftalmología. En general está causada por una oftalmopatía distiroidea, pero se debe pensar en otros diagnósticos en pacientes con signos inusuales y sin mejoría con el tratamiento estándar.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract We present the case of a 64-year-old female patient with a 7-month history of nonspecific symptoms of diplopia and unilateral proptosis. On physical examination there was a marked limitation of the abduction of the lateral rectus muscle, but magnetic resonance imaging (MRI) showed thickening of the medial rectus. An initial diagnosis of dysthyroid ophthalmopathy was made by a neuroradiologist. Despite treatment, there was no improvement of symptoms so a new evaluation of the MRI was requested, finding signs of a carotid-cavernous fistula. The diagnosis of proptosis is a challenge in ophthalmology. Usually, it is caused by dysthyroid ophthalmopathy; however, other diagnoses should be considered in patients with unusual signs and no improvement with standard treatment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Exoftalmos]]></kwd>
<kwd lng="es"><![CDATA[Fístula carotidocavernosa]]></kwd>
<kwd lng="es"><![CDATA[Conjuntivitis]]></kwd>
<kwd lng="en"><![CDATA[Exophthalmos]]></kwd>
<kwd lng="en"><![CDATA[Carotid-cavernous sinus fistula]]></kwd>
<kwd lng="en"><![CDATA[Conjunctivitis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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