<?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>2444-054X</journal-id>
<journal-title><![CDATA[Cirugía y cirujanos]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. cir.]]></abbrev-journal-title>
<issn>2444-054X</issn>
<publisher>
<publisher-name><![CDATA[Academia Mexicana de Cirugía A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-054X2021000600763</article-id>
<article-id pub-id-type="doi">10.24875/ciru.20001009</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Stereotactic biopsy for intracranial space occupying lesions: Experience in a referral hospital in Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Biopsia por estereotaxia para lesiones intracraneales: experiencia de un hospital de referencia en México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Navarro-Olvera]]></surname>
<given-names><![CDATA[José L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Parra-Romero]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrillo-Ruiz]]></surname>
<given-names><![CDATA[José D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguado-Carrillo]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soto-Abraham]]></surname>
<given-names><![CDATA[Julián E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Valencia]]></surname>
<given-names><![CDATA[Aldo F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Mexico General Hospital Stereotactic and Radiosurgery Department ]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Mexico General Hospital Research Direction ]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Anahuac University Faculty of Health Sciences ]]></institution>
<addr-line><![CDATA[Mexico City ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>89</volume>
<numero>6</numero>
<fpage>763</fpage>
<lpage>768</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2021000600763&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2021000600763&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2021000600763&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Stereotactic brain biopsy (SBB) is used for establishing the histological diagnosis of intracranial lesions that are not amenable for a direct surgical approach.  Objective: The objective of the study was to describe our experience having an evaluation of the biopsy sample by a neuropathologist during SBB.  Materials and methods: Retrospective analysis of 140 consecutive patients who underwent SBB between 2014 and 2018 in whom trans-operatory analysis of the sample was performed.  Results: There were 56% men. The mean age was 45 years. Histological diagnosis was performed in 131 of 140 patients (94% overall diagnostic yield). The presurgical radiological diagnosis was correct in 39%. Neoplastic lesions were reported in 108 cases, and 32 were non-neoplastic. We performed craniotomy and resection after biopsy in 14%. We found complications in 6% of patients.  Conclusions: SBB continues to be a safe, useful, and inexpensive procedure. The diagnostic performance of SBB increases when intraoperative cytological evaluation by a neuropathologist is included in the study.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: la biopsia cerebral por estereotaxia (SBB) se utiliza para establecer el diagnóstico histológico de lesiones intracraneales que no son susceptibles de un abordaje quirúrgico directo.  Objetivo: describir nuestra experiencia de tener una evaluación de la muestra de biopsia por un neuropatólogo durante el procedimiento.  Material y métodos: análisis retrospectivo de 140 pacientes consecutivos sometidos a SBB entre 2014-2018 en los que se realizó análisis transoperatorio de la muestra.  Resultados: El 56% fueron hombres. La edad promedio fue de 45 años. El diagnóstico histológico se realizó en 131 de 140 pacientes (rendimiento diagnóstico global del 94%). El diagnóstico radiológico prequirúrgico fue correcto solo en el 39%. Se identificaron lesiones neoplásicas en 108 casos, y en 32 se documentaron lesiones no neoplásicas. En el 14% de los casos se realizó posterior a la biospia craneotomía y resección de la lesión. Encontramos complicaciones en el 6% de los pacientes.  Conclusiones: SBB sigue siendo un procedimiento seguro, útil y económico. El rendimiento diagnóstico de SBB aumenta cuando se incluye la evaluación citológica intraoperatoria por un neuropatólogo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Biopsy]]></kwd>
<kwd lng="en"><![CDATA[Brain tumor]]></kwd>
<kwd lng="en"><![CDATA[Diagnostic yield]]></kwd>
<kwd lng="en"><![CDATA[Histopathology]]></kwd>
<kwd lng="en"><![CDATA[Stereotaxy]]></kwd>
<kwd lng="es"><![CDATA[Biopsia]]></kwd>
<kwd lng="es"><![CDATA[Estereotaxia]]></kwd>
<kwd lng="es"><![CDATA[Histopatología]]></kwd>
<kwd lng="es"><![CDATA[Rendimiento diagnóstico]]></kwd>
<kwd lng="es"><![CDATA[Tumor cerebral]]></kwd>
</kwd-group>
</article-meta>
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