<?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>1870-7203</journal-id>
<journal-title><![CDATA[Acta médica Grupo Ángeles]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. Grupo Ángeles]]></abbrev-journal-title>
<issn>1870-7203</issn>
<publisher>
<publisher-name><![CDATA[Grupo Ángeles, Servicios de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-72032024000500424</article-id>
<article-id pub-id-type="doi">10.35366/118827</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Gliosarcoma primario, una rara variante de glioblastoma isocitrato deshidrogenasa de tipo salvaje]]></article-title>
<article-title xml:lang="en"><![CDATA[Primary gliosarcoma, a rare variant of wild-type isocitrate dehydrogenase glioblastoma]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Juárez]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mora Constantino]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hasslacher Arellano]]></surname>
<given-names><![CDATA[Juan Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguirre Trigueros]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Angeles León Departamento de Radiología e Imagen ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Angeles León Departamento de Radiología e Imagen ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Angeles León División de Cirugía ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Angeles León  ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>22</volume>
<numero>5</numero>
<fpage>424</fpage>
<lpage>426</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032024000500424&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032024000500424&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032024000500424&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  el gliosarcoma, una variante rara del glioblastoma con componentes gliales y mesenquimales, presenta síntomas e imágenes inespecíficos, y su diagnóstico se realiza a través de un examen histopatológico.  Caso clínico:  paciente masculino de 57 años con cefalea persistente durante un mes, la resonancia magnética revela lesión temporal derecha. Tras manejo quirúrgico, el análisis histopatológico confirmó gliosarcoma grado 4.  Conclusión:  dada su rareza, el gliosarcoma debe considerarse en el diagnóstico diferencial de tumores cerebrales. A pesar del tratamiento, su pronóstico es desfavorable, subrayando la necesidad de documentar hallazgos clínicos, radiológicos e inmunohistoquímicos para mejorar la atención futura.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  gliosarcoma is a rare variant of glioblastoma with glial and mesenchymal components. It presents nonspecific symptoms and imaging findings, necessitating diagnosis through histopathological examination.  Clinical case:  a 57-year-old male with a one-month history of persistent headaches without cognitive function deficits. Magnetic resonance imaging reveals a lesion in the right temporal lobe. Surgical management confirms gliosarcoma grade 4 through histopathological examination.  Conclusion:  due to its rarity, gliosarcoma should be considered in the differential diagnosis of brain tumors. Despite treatment, its prognosis is unfavorable, emphasizing the need to document clinical, radiological, and immunohistochemical findings to enhance future patient care.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[gliosarcoma]]></kwd>
<kwd lng="es"><![CDATA[gliosarcoma primario]]></kwd>
<kwd lng="es"><![CDATA[glioblastoma]]></kwd>
<kwd lng="es"><![CDATA[resonancia magnética]]></kwd>
<kwd lng="en"><![CDATA[gliosarcoma]]></kwd>
<kwd lng="en"><![CDATA[primary gliosarcoma]]></kwd>
<kwd lng="en"><![CDATA[glioblastoma]]></kwd>
<kwd lng="en"><![CDATA[magnetic resonance imaging]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Louis]]></surname>
<given-names><![CDATA[DN]]></given-names>
</name>
<name>
<surname><![CDATA[Perry]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Wesseling]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Brat]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Cree]]></surname>
<given-names><![CDATA[IA]]></given-names>
</name>
<name>
<surname><![CDATA[Figarella-Branger]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Hawkins]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The 2021 WHO classification of tumors of the central nervous system: a summary]]></article-title>
<source><![CDATA[Neuro Oncol]]></source>
<year>2021</year>
<volume>23</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1231-51</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García-Lezama]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Carrillo-Ruíz]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
<name>
<surname><![CDATA[Moreno-Jiménez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Roldán-Valadez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[WHO CNS5 2021 incluye mutaciones específicas en gliomas que pueden ser identificadas con biomarcadores cuantitativos de resonancia magnética]]></article-title>
<source><![CDATA[Gac Méd Méx]]></source>
<year>2023</year>
<volume>159</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>164-71</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mirchia]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Mahoney]]></surname>
<given-names><![CDATA[MT]]></given-names>
</name>
<name>
<surname><![CDATA[Christie]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Fuller]]></surname>
<given-names><![CDATA[CE]]></given-names>
</name>
<name>
<surname><![CDATA[Mirchia]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A rare tumor in a rare location: radiology and pathology findings with a literature review on intraventricular gliosarcoma]]></article-title>
<source><![CDATA[Cureus]]></source>
<year>2023</year>
<volume>15</volume>
<numero>2</numero>
<issue>2</issue>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tuan]]></surname>
<given-names><![CDATA[HX]]></given-names>
</name>
<name>
<surname><![CDATA[Hung]]></surname>
<given-names><![CDATA[ND]]></given-names>
</name>
<name>
<surname><![CDATA[Minh]]></surname>
<given-names><![CDATA[ND]]></given-names>
</name>
<name>
<surname><![CDATA[Van Anh]]></surname>
<given-names><![CDATA[NT]]></given-names>
</name>
<name>
<surname><![CDATA[Vi]]></surname>
<given-names><![CDATA[NH]]></given-names>
</name>
<name>
<surname><![CDATA[Duy]]></surname>
<given-names><![CDATA[NQ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Primary intraventricular gliosarcoma on MRI: a challenging diagnosis]]></article-title>
<source><![CDATA[Radiology Case Rep]]></source>
<year>2022</year>
<volume>17</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>685-9</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Amer]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Khose]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Alhasan]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Pokhylevych]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Fuller]]></surname>
<given-names><![CDATA[GN]]></given-names>
</name>
<name>
<surname><![CDATA[Chasen]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical and survival characteristics of primary and secondary gliosarcoma patients]]></article-title>
<source><![CDATA[Clin Neurol Neurosurg]]></source>
<year>2022</year>
<volume>214</volume>
<page-range>107146</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
