<?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>S0026-17422024000500029</article-id>
<article-id pub-id-type="doi">10.22201/fm.24484865e.2024.67.5.03</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Defecto del tubo neural: encefalocele occipital. Reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Neural Tube Defect: Occipital Encephalocele. A case Report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santiago-Sanabria]]></surname>
<given-names><![CDATA[Leopoldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Martínez]]></surname>
<given-names><![CDATA[Oscar Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alonso-León]]></surname>
<given-names><![CDATA[Marco-César]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sanabria-Villegas]]></surname>
<given-names><![CDATA[Luz del Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Alquicira]]></surname>
<given-names><![CDATA[Bernardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ignacio-García]]></surname>
<given-names><![CDATA[Melissa Gretel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Unidad Médica de Alta Especialidad No. 4. &#8220;Luis Castelazo Ayala&#8221;  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital General de Huejotzingo  ]]></institution>
<addr-line><![CDATA[Puebla Puebla]]></addr-line>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Ángeles Health System  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Panamericana  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Hospital de la Mujer  ]]></institution>
<addr-line><![CDATA[Puebla Puebla]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2024</year>
</pub-date>
<volume>67</volume>
<numero>5</numero>
<fpage>29</fpage>
<lpage>36</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0026-17422024000500029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0026-17422024000500029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0026-17422024000500029&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El encefalocele es una malformación congénita del sistema nervioso central rara. Se estima que la prevalencia es de aproximadamente 1 de cada 5,000-40,000 recién nacidos vivos. Puede involucrar diferentes sitios anatómicos como la región occipital, frontal, temporal y parietal. La cuarta y quinta semana del desarrollo embriológico son imprescindibles para el desarrollo de la cabeza y el cuello. Cuando existe un fallo en la separación del ectodermo superficial del neuroectodermo, aparecen defectos del tubo neural, en donde se pueden originar los encefaloceles. Genéticamente se puede explicar por la teoría disembriológica, la cual involucra a ciertos genes mutados que interfieren en mecanismos celulares importantes en el desarrollo neural temprano. Actualmente, gracias a las herramientas de cribado prenatal como la ecografía, es posible identificarlos desde la vida intrauterina. Es sumamente importante realizar un diagnóstico temprano para protocolizar y brindar un tratamiento individualizado, en donde se involucrará a un equipo multidisciplinario. A pesar que algunos casos suelen ser compatibles con la vida, el pronóstico dependerá del sitio anatómico involucrado, así como el manejo quirúrgico oportuno. Entre las secuelas más importantes se encuentra el déficit intelectual.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Encephalocele is a rare congenital malformation of the central nervous system. The prevalence is estimated to be about 1 in 5,000-40,000 live births. It can affect various anatomical locations such as the occipital, frontal, temporal, and parietal regions. The fourth and fifth weeks of embryonic development are critical for the development of the head and neck. When there is a failure in the separation of the superficial ectoderm from the neuroectoderm, neural tube defects occur, from which encephaloceles may arise. Genetically it can be explained by the dysembryological theory, which involves certain mutated genes that interfere with important cellular mechanisms in early neuronal development. Currently, thanks to prenatal screening tools such as ultrasound, it is possible to identify them from intrauterine life. It is extremely important to make an early diagnosis to establish protocols and provide individualized treatment, involving a multidisciplinary team will be involved. Even though some cases are usually compatible with life, the expected prognosis of the anatomical site involved as well as timely surgical management. One of the most important sequelae is intellectual deficit.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Encefalocele]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico prenatal]]></kwd>
<kwd lng="es"><![CDATA[malformaciones congénitas]]></kwd>
<kwd lng="es"><![CDATA[tubo neural]]></kwd>
<kwd lng="es"><![CDATA[pronóstico]]></kwd>
<kwd lng="en"><![CDATA[Encephalocele]]></kwd>
<kwd lng="en"><![CDATA[prenatal diagnosis]]></kwd>
<kwd lng="en"><![CDATA[congenital malformations]]></kwd>
<kwd lng="en"><![CDATA[neural tube]]></kwd>
<kwd lng="en"><![CDATA[prognosis]]></kwd>
</kwd-group>
</article-meta>
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