<?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>0026-1742</journal-id>
<journal-title><![CDATA[Revista de la Facultad de Medicina (México)]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Fac. Med. (Méx.)]]></abbrev-journal-title>
<issn>0026-1742</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Medicina]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0026-17422022000100037</article-id>
<article-id pub-id-type="doi">10.22201/fm.24484865e.2022.65.1.05</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Signo de &#8220;doble corteza&#8221; visualizado en corregistro 18F-FDG PET/RM en un paciente con heterotopia subcortical en banda]]></article-title>
<article-title xml:lang="en"><![CDATA[&#8220;Double Cortex&#8221; Sign Visualized in 18F-FDG PET / MRI Coregistration in a Patient with Band Subcortical Heterotopia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cardoza Ochoa]]></surname>
<given-names><![CDATA[David Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras Contreras]]></surname>
<given-names><![CDATA[Keren]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Abundiz López]]></surname>
<given-names><![CDATA[Blanca Lucero]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez Cardoso]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivera Bravo]]></surname>
<given-names><![CDATA[Belén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<volume>65</volume>
<numero>1</numero>
<fpage>37</fpage>
<lpage>39</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0026-17422022000100037&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0026-17422022000100037&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0026-17422022000100037&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La heterotopia subcortical en banda (HSB) se refiere a la presencia de bandas lisas bilaterales de sustancia gris cerebral ubicadas en la sustancia blanca subcortical. La presentación clínica es variable, con cuadros que incluyen discapacidad intelectual, crisis epilépticas y trastornos de conducta muy variados, lo que hace complejo su diagnóstico. Presentamos el caso de un varón de 20 años con largo historial de epilepsia refractaria a tratamiento, remitido a nuestra unidad para un estudio de tomografía por emisión de positrones/tomografía computada (PET/CT) con 18F-fluorodesoxiglucos (18F-FDG) para la búsqueda del foco epileptógeno. Adicionalmente, se realizó un corregistro de PET con un estudio de resonancia magnética (RM) de otra institución, observando el signo de doble corteza cerebral por RM y PET/CT, visualizando característicamente un patrón hipermetabólico en las zonas de heterotopia subcortical en banda.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Subcortical band heterotopia (HSB) refers to the presence of smooth bilateral bands of gray matter located in the subcortical white matter. Clinical presentation is widely variable, the presentation includes intellectual disability, epileptic seizures and varied conduct disorders, making a complex diagnosis. We present a case of a 20-year-old male with a long history of treatment-refractory epilepsy referred to our center for a 18F-FDG (18F-fluorodeoxyglucose) PET/CT (Positron Emission Tomography/Computed Tomography), to search for the epileptogenic focus. Additionally, a registration was carried out with another magnetic resonance imaging study (MRI), where the sign of double cerebral cortex was documented by MRI and PET/CT, visualized as a hypermetabolic pattern in subcortical band heterotopia.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[18F-FDG]]></kwd>
<kwd lng="es"><![CDATA[PET]]></kwd>
<kwd lng="es"><![CDATA[RM]]></kwd>
<kwd lng="es"><![CDATA[heterotopia]]></kwd>
<kwd lng="es"><![CDATA[neurología]]></kwd>
<kwd lng="en"><![CDATA[118F-FDG]]></kwd>
<kwd lng="en"><![CDATA[PET]]></kwd>
<kwd lng="en"><![CDATA[RM]]></kwd>
<kwd lng="en"><![CDATA[heterotopia]]></kwd>
<kwd lng="en"><![CDATA[neurology]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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