<?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>0122-0667</journal-id>
<journal-title><![CDATA[Revista Médica de Risaralda]]></journal-title>
<abbrev-journal-title><![CDATA[Revista médica Risaralda]]></abbrev-journal-title>
<issn>0122-0667</issn>
<publisher>
<publisher-name><![CDATA[Universidad Tecnológica de Pereira]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0122-06672023000100101</article-id>
<article-id pub-id-type="doi">10.22517/25395203.25097</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Azul de metileno, opción para la marcación de cáncer colorrectal pre procedimiento mínimamente invasivo. Reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Methylene Blue, option for colorectal cancer marking pre-minimally invasive procedure. Case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez-Alvarado]]></surname>
<given-names><![CDATA[Gonzalo Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quintero-Arias]]></surname>
<given-names><![CDATA[María Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bermúdez-Mantilla]]></surname>
<given-names><![CDATA[Marcela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hurtado-Quirós]]></surname>
<given-names><![CDATA[Luisa Fernanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Gómez]]></surname>
<given-names><![CDATA[Luis Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Bucaramanga Grupo de innovación e investigación Quirúrgica (GIIQ) ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Bucaramanga Hospital Nuestra Señora de los Remedios ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Universitaria de Santander  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Industrial de Santander Clínica Foscal Internacional ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Autónoma de Bucaramanga Centro Elite (Clínica Foscal Internacional) ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>29</volume>
<numero>1</numero>
<fpage>101</fpage>
<lpage>108</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-06672023000100101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-06672023000100101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-06672023000100101&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El cáncer colorrectal es una patología común que causa aproximadamente 861,000 muertes al año. Se presenta el caso de un paciente masculino de 50 años, con hipertensión arterial y Diabetes mellitus tipo II, con diagnóstico de neoplasia en colon descendente, al cual se le realizó procedimiento mínimamente invasivo, posterior a marcación tumoral con azul de metileno por medio de endoscopia de vías digestiva bajas. Postoperatorio adecuado, sin complicaciones. El tratamiento de elección para el cáncer colorrectal sin metástasis es la exeresis oncológica. Actualmente, el manejo quirúrgico recomendado es por medio de procedimiento mínimamente invasivo, sin embargo, es un desafío puesto que en algunos casos la identificación de la lesión es difícil y adicionalmente requiere una curva de aprendizaje pronunciada. Por lo anterior, utilizamos el azul de metileno para la marcación del tumor previo procedimiento, con excelentes resultados, sin complicaciones. La marcación tumoral con azul de metileno previa al procedimiento mínimamente invasivo es seguro, útil, económico y de bajo riesgo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Colorectal cancer is a common pathology, causing approximately 861,000 deaths a year. The case a 50-year-old male patient, with arterial hypertension and type II diabetes mellitus, with a diagnosis of neoplasia in the descending colon, which was performed minimally invasive procedure, after tumor marking with methylene blue by means of endoscopy of lower digestive tracts. Adequate postoperative period, without complications. The treatment of choice for colorectal cancer without metastasis is oncological exeresis. Currently the recommended surgical management is by means of a minimally invasive procedure, however, it is a challenge since in some cases the identification of the lesion is difficult and additionally requires a pronounced learning curve. Therefore, we use methylene blue for the marking of the tumor after the procedure, with excellent results, without complications. Methylene blue tumor marking prior to the minimally invasive procedure is safe, useful, inexpensive, and low risk.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[marcación tumoral]]></kwd>
<kwd lng="es"><![CDATA[azul de metileno]]></kwd>
<kwd lng="es"><![CDATA[cáncer colorrectal]]></kwd>
<kwd lng="es"><![CDATA[exeresis oncológica]]></kwd>
<kwd lng="en"><![CDATA[Tumor labeling]]></kwd>
<kwd lng="en"><![CDATA[Methylene Blue]]></kwd>
<kwd lng="en"><![CDATA[colorectal cancer]]></kwd>
<kwd lng="en"><![CDATA[oncological exeresis]]></kwd>
</kwd-group>
</article-meta>
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