<?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>2011-0839</journal-id>
<journal-title><![CDATA[Universitas Medica]]></journal-title>
<abbrev-journal-title><![CDATA[Univ. Med.]]></abbrev-journal-title>
<issn>2011-0839</issn>
<publisher>
<publisher-name><![CDATA[Pontificia Universidad Javeriana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2011-08392020000300080</article-id>
<article-id pub-id-type="doi">10.11144/javeriana.umed61-3.sobr</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Sobrevida de los tumores cerebrales primarios en Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Survival of Primary Brain Tumors in Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez Vega]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ocampo Navia]]></surname>
<given-names><![CDATA[María Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de Vries]]></surname>
<given-names><![CDATA[Esther]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Feo Lee]]></surname>
<given-names><![CDATA[Oscar Hernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Pontificia Universidad Javeriana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Pontificia Universidad Javeriana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Pontificia Universidad Javeriana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Pontificia Universidad Javeriana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<volume>61</volume>
<numero>3</numero>
<fpage>80</fpage>
<lpage>90</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2011-08392020000300080&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2011-08392020000300080&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2011-08392020000300080&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: En 2018, los tumores del sistema nervioso representaron aproximadamente el 1,4 % de los nuevos diagnósticos de cáncer, que causaron el 2,6 % de las muertes por esta enfermedad. En Colombia hay pocos informes sobre la epidemiología de los tumores cerebrales, y los que existen son a partir de bases de datos locales que no tienen representatividad poblacional.  Objetivo: Determinar la sobrevida de los tumores cerebrales en Colombia.  Materiales y métodos: Estudio observacional descriptivo y retrospectivo, mediante las bases de datos de registros de cáncer de base poblacional de Colombia para el periodo 2003-2012, sin restricción por grupo etario. Se calcularon las tasas de sobrevida por el método de Kaplan-Meier y se usó el software estadístico Stata 14.0.  Resultados: En el periodo 2003-2012 se reportaron 775 pacientes adultos y 123 pediátricos con un nuevo diagnóstico de un tumor del sistema nervioso. Los más frecuentes en la edad pediátrica fueron los tumores neuroepiteliales, los embrionarios y los ependimarios; mientras que para los adultos fueron los tumores neuroepiteliales, los meningiomas y los hematolinfoides. La sobrevida global a seis meses, un año, dos años y tres años, en la población pediátrica fue de 49,9 %, 35,2 %, 21,4 % y 15,3 %, respectivamente; para los adultos fue del 70,2 %, 58,9 %, 43,3 % y 35,4 %.  Conclusiones: Este estudio constituye el trabajo más reciente sobre la epidemiología de los tumores cerebrales en Colombia. Se evidenció un claro subregistro general y estadísticas inferiores a las comparadas con la literatura. Se pretende ampliar la cobertura y recolección de datos en los registros de cáncer de base poblacional.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: In 2018, central nervous system tumors represented approximately 1.4% of new cancer diagnoses, causing 2.6% of deaths by cancer. In Colombia, there are few reports on the epidemiology of brain tumors, and those that exist are from local databases that don´t have a rigorous and massive registry.  Aim: To determine the survival rates of brain tumors in Colombia.  Methods: A retrospective descriptive observational study was conducted, using databases of population-based cancer registries in Colombia. We extracted information from 2003-2012 of patients with tumors without age group restriction. The survival rates were calculated, using the Kaplan-Meier method and the statistical software Stata 14.0.  Results From 2003-2012, 775 adult patients and 123 pediatric patients were reported with a new central nervous system tumor diagnosis in the four cities. The most frequent tumors in the pediatric age group were neuroepithelial tumors, embryonal tumors and ependymal tumors; whereas for adults, the most frequent were neuroepithelial tumors, meningiomas and hematolymphoid tumors. The global survival rate at 6 months, 1 year, 2 years and 3 years, were approximately 49.9%, 35.2%, 21.4% and 15.3% in the pediatric population, and 70.2%, 58.9%, 43.3% and 35.4% in the adult population.  Conclusions The present work constitutes the most recent and multicentric study on the epidemiology of brain tumors in Colombia. There was a clear underreport of this type of tumor and inferior rates compared to universal literature. Despite this, these results will help to widen data recollection and coverage in population-based cancer registries.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[tumores cerebrales]]></kwd>
<kwd lng="es"><![CDATA[sobrevida global]]></kwd>
<kwd lng="es"><![CDATA[incidencia]]></kwd>
<kwd lng="es"><![CDATA[mortalidad]]></kwd>
<kwd lng="es"><![CDATA[epidemiología]]></kwd>
<kwd lng="en"><![CDATA[brain tumors]]></kwd>
<kwd lng="en"><![CDATA[global survival rates]]></kwd>
<kwd lng="en"><![CDATA[incidence]]></kwd>
<kwd lng="en"><![CDATA[mortality]]></kwd>
<kwd lng="en"><![CDATA[epidemiology]]></kwd>
</kwd-group>
</article-meta>
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