<?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>0120-9957</journal-id>
<journal-title><![CDATA[Revista colombiana de Gastroenterología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. colomb. Gastroenterol.]]></abbrev-journal-title>
<issn>0120-9957</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Gastroenterología  ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-99572021000200163</article-id>
<article-id pub-id-type="doi">10.22516/25007440.558</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Clinical, histological, and endoscopic characterization of gastric cancer at the Hospital de Especialidades Dr. Abel Gilbert Pontón, Ecuador]]></article-title>
<article-title xml:lang="es"><![CDATA[Caracterización clínica, histológica y endoscópica del cáncer gástrico en el Hospital de Especialidades Dr. Abel Gilbert Pontón, Ecuador]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz-Cedeño]]></surname>
<given-names><![CDATA[Rubén Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[Priscila]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paullán-Sani]]></surname>
<given-names><![CDATA[Viviana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Chica]]></surname>
<given-names><![CDATA[Gema]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital de Especialidades Dr. Abel Gilbert Pontón  ]]></institution>
<addr-line><![CDATA[Guayaquil ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital de Especialidades Dr. Abel Gilbert Pontón  ]]></institution>
<addr-line><![CDATA[Guayaquil ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Gastroenterologist and digestive endoscopy physician  ]]></institution>
<addr-line><![CDATA[Guayaquil ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Universitario de Guayaquil  ]]></institution>
<addr-line><![CDATA[Guayaquil ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>36</volume>
<numero>2</numero>
<fpage>163</fpage>
<lpage>171</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-99572021000200163&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-99572021000200163&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-99572021000200163&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Gastric cancer is one of the most common causes of death worldwide, with a varying incidence. In Ecuador, it is the second leading cause of death in men and the fourth in women.  Objectives:  To establish the socio-demographic, clinical, histological, and endoscopic characteristics of patients with gastric cancer and to determine the correlation between location and histology in this population treated at the Hospital de Especialidades Guayaquil Dr. Abel Gilbert Pontón.  Materials and methods:  Analytical and prospective prevalence study. Outpatient and emergency upper gastrointestinal endoscopies with signs of suspected gastric cancer performed at the Hospital de Especialidades Guayaquil Dr. Abel Gilbert Pontón - Ecuador between January 2018 through December 2019 were included.  Results:  The study included 62 patients diagnosed with gastric adenocarcinoma. 72.6% were male and 27.4% were female; the age range was between 27 and 95 years, with an average of 60.96 ± 15.1 years, the age of onset being between 60 and 70 years. Pain was the most frequent symptom in 98.4% of cases, followed by weight loss in 64.5%. The antrum was the most common site of cancer (50.0%), and Borrmann type III was the most common morphology. Intestinal cancer was found in 64.5% of cases, while diffuse gastric cancer was found in 29.0%. Intestinal cancer was more common in older ages (60-69%) and the most frequent site of presentation was the body of the stomach (71.4%) with a proximal location. In contrast, diffuse gastric cancer was more frequent in younger patients aged between 27-39 years, more often in the antrum (32.3%) at a more distal location.  Conclusions:  Gastric cancer is more often found in men and is usually diagnosed in advanced stages. Intestinal gastric cancer was most commonly seen at advanced ages in our hospital, most frequently at the proximal site and in the Borrmann type III according to the classification of advanced gastric cancer, affecting its treatment and prognosis. The results obtained support the implementation of programs to diagnose and treat this severe disease in a timely manner.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  El cáncer gástrico, a nivel mundial, tiene una incidencia variable y es una de las causas más frecuentes de muerte. En Ecuador ocupa el segundo lugar de muerte en los hombres y la cuarta en las mujeres por cáncer gástrico.  Objetivos: Establecer las características sociodemográficas, clínicas, histológicas y endoscópicas, y determinar una correlación entre la localización e histología en una población de pacientes con cáncer gástrico en el Hospital de Especialidades de Guayaquil, Dr. Abel Gilbert Pontón.  Materiales y métodos: Estudio de prevalencia analítico y prospectivo. Se incluyeron las endoscopias digestivas altas de consulta externa y emergencia con signos de sospecha de cáncer gástrico realizadas en el Hospital de Especialidades de Guayaquil, Dr. Abel Gilbert Pontón, Ecuador, entre enero de 2018 y diciembre de 2019.  Resultados:  En el estudio se incluyeron 62 pacientes con diagnóstico de adenocarcinoma gástrico, el sexo masculino representó el 72,6 % en relación con el sexo femenino, con el 27,4 %; el rango de edad fue entre los 27 y 95 años, el promedio de edad es de 60,96 ± 15,1 y la edad de mayor presentación fue de 60 a 70 años. El síntoma que predominó fue el dolor, en un 98,4 %, y la pérdida de peso, en un 64,5 %; su localización más frecuente fue el antro (50,0 %), su morfología de mayor presentación es el Borrmann tipo III y, con respecto al tipo histológico, se encontró el tipo intestinal (64,5 %) y el difuso (29,0 %). El tipo intestinal se presentó en edad más avanzada en un 60 %-69 %, fue más frecuente en el cuerpo (71,4 %) y su localización fue más proximal, en comparación con el tipo difuso, que se presentó más en edad temprana (27-39 años), fue más frecuente en el antro (32,3 %) y su localización fue más distal.  Conclusiones:  El cáncer gástrico se diagnostica en estadios avanzados, más en hombres que en mujeres y se puede afirmar que en nuestro hospital la localización del cáncer gástrico tipo intestinal se presentó en edades avanzadas, más frecuentemente a nivel proximal y en la clasificación del cáncer gástrico avanzado Borrmann tipo III, lo cual podría tener influencia en el tratamiento y pronóstico. Además, los resultados obtenidos justifican la implementación de programas de detección oportuna y tratamiento de esta grave enfermedad.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Gastric cancer]]></kwd>
<kwd lng="en"><![CDATA[Gastric tumor]]></kwd>
<kwd lng="en"><![CDATA[Gastric neoplasms]]></kwd>
<kwd lng="en"><![CDATA[Gastric adenocarcinoma]]></kwd>
<kwd lng="en"><![CDATA[Gastric histology]]></kwd>
<kwd lng="es"><![CDATA[Cáncer gástrico]]></kwd>
<kwd lng="es"><![CDATA[tumor gástrico]]></kwd>
<kwd lng="es"><![CDATA[neoplasias gástricas]]></kwd>
<kwd lng="es"><![CDATA[adenocarcinoma gástrico]]></kwd>
<kwd lng="es"><![CDATA[histología gástrica]]></kwd>
</kwd-group>
</article-meta>
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