<?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>S0120-99572022000400402</article-id>
<article-id pub-id-type="doi">10.22516/25007440.938</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[The usefulness of Giemsa staining to diagnose Helicobacter pylori in patients with preneoplastic lesions]]></article-title>
<article-title xml:lang="es"><![CDATA[Utilidad de la coloración de Giemsa para diagnosticar Helicobacter pylori en pacientes con lesiones preneoplásicas]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Carmona]]></surname>
<given-names><![CDATA[Santiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arango-Viana]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ahumada-Rodríguez]]></surname>
<given-names><![CDATA[Enoc]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Agudelo-Mesa]]></surname>
<given-names><![CDATA[Jessenia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Cala]]></surname>
<given-names><![CDATA[Tania]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[Alonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ospina-Ospina]]></surname>
<given-names><![CDATA[Sigifredo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salazar]]></surname>
<given-names><![CDATA[Beatriz Eugenia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>37</volume>
<numero>4</numero>
<fpage>402</fpage>
<lpage>409</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-99572022000400402&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-99572022000400402&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-99572022000400402&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Helicobacter pylori is a bacterium associated with inflammatory and neoplastic gastroduodenal diseases. Histopathology is one of the diagnostic methods used for its detection, which has a sensitivity of 90% to 95% when there is a high density of H. pylori; however, the bacterium may be missed in low-density infections because routine hematoxylin and eosin (H&amp;E) staining is not specific for its detection and has interobserver variability. This study aimed to determine the usefulness of complementary Giemsa staining for diagnosing H. pylori in preneoplastic lesions where the bacterium was found in low density.  Materials and methods: A retrospective/prospective descriptive study was carried out that included 65 patients diagnosed with preneoplastic lesions. Gastric biopsies were stained with H&amp;E and Giemsa and evaluated by two pathologists.  Results: Giemsa staining analyzed 20.3% more cases of H. pylori than H&amp;E, most with a low density of the bacteria. There were no statistically significant differences in the diagnosis of H. pylori according to the sample type.  Conclusion: This study found that Giemsa staining improves the histopathological diagnosis of H. pylori in patients with preneoplastic lesions.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: Helicobacter pylori es una bacteria asociada con enfermedades gastroduodenales inflamatorias y neoplásicas. La histopatología es uno de los métodos diagnósticos empleados para su detección, la cual tiene sensibilidad del 90% al 95% cuando hay alta densidad de H. pylori; sin embargo, la bacteria puede pasar desapercibida en infecciones de baja densidad porque la coloración de rutina de hematoxilina y eosina (H&amp;E) no es una tinción específica para su detección y presenta variabilidad interobservador. El objetivo de este estudio fue determinar la utilidad de la tinción complementaria de Giemsa para el diagnóstico de H. pylori en lesiones preneoplásicas en las que la bacteria se encuentra en baja densidad.  Materiales y métodos: se realizó un estudio descriptivo retrospectivo y prospectivo que incluyó a 65 pacientes con diagnóstico de lesiones preneoplásicas. Las biopsias gástricas se tiñeron con H&amp;E y Giemsa, y fueron evaluadas por dos patólogos.  Resultados: la coloración de Giemsa diagnosticó 20,3% de casos más de infección por H. pylori que la H&amp;E, la mayoría de ellos con baja densidad de la bacteria. No hubo diferencias estadísticamente significativas en el diagnóstico de H. pylori de acuerdo con el tipo de muestra.  Conclusión: este estudio encontró que la tinción de Giemsa mejora el diagnóstico histopatológico de H. pylori en pacientes con lesiones preneoplásicas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Histological techniques]]></kwd>
<kwd lng="en"><![CDATA[Helicobacter pylori]]></kwd>
<kwd lng="en"><![CDATA[diagnosis]]></kwd>
<kwd lng="en"><![CDATA[preneoplastic lesions]]></kwd>
<kwd lng="en"><![CDATA[gastrointestinal diseases]]></kwd>
<kwd lng="es"><![CDATA[Técnicas histológicas]]></kwd>
<kwd lng="es"><![CDATA[Helicobacter pylori]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico]]></kwd>
<kwd lng="es"><![CDATA[lesiones preneoplásicas]]></kwd>
<kwd lng="es"><![CDATA[enfermedades gastrointestinales]]></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[Zamani]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ebrahimtabar]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Zamani]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[WH]]></given-names>
</name>
<name>
<surname><![CDATA[Alizadeh-Navaei]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Shokri- Shirvani]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Systematic review with meta-analysis: the worldwide prevalence of Helicobacter pylori infection]]></article-title>
<source><![CDATA[Aliment Pharmacol Ther]]></source>
<year>2018</year>
<volume>47</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>868-76</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[Roldán]]></surname>
<given-names><![CDATA[IJ]]></given-names>
</name>
<name>
<surname><![CDATA[Castaño]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Navas]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mutaciones del gen ARN ribosómico 23S de Helicobacter pylori asociadas con resistencia a claritromicina en pacientes atendidos en una unidad de endoscopia de Medellín, Colombia]]></article-title>
<source><![CDATA[Biomedica]]></source>
<year>2019</year>
<volume>39</volume>
<numero>^s2</numero>
<issue>^s2</issue>
<supplement>2</supplement>
<page-range>117-29</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[Bravo]]></surname>
<given-names><![CDATA[LE]]></given-names>
</name>
<name>
<surname><![CDATA[Cortés]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Carrascal]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Jaramillo]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[LS]]></given-names>
</name>
<name>
<surname><![CDATA[Bravo]]></surname>
<given-names><![CDATA[PE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Helicobacter pylori: patología y prevalencia en biopsias gástricas en Colombia]]></article-title>
<source><![CDATA[Colomb Médica]]></source>
<year>2003</year>
<volume>34</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>124-31</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[GS]]></given-names>
</name>
<name>
<surname><![CDATA[Cardona]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[GT]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Estrada]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalencia de Helicobacter pylori y características histopatológicas en biopsias gástricas de pacientes con síntomas dispépticos en un centro de referencia de Medellín]]></article-title>
<source><![CDATA[Rev Colomb Gastroenterol]]></source>
<year>2016</year>
<volume>31</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>9-15</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="">
<collab>IARC Working Group on the Evaluation of Carcinogenic Risks to Humans</collab>
<source><![CDATA[Schistosomes, Liver Flukes and Helicobacter pylori. Lyon (FR): International Agency for Research on Cancer; 1994. (IARC Monographs on the Evaluation of Carcinogenic Risks to Humans, No. 61.) INFECTION WITH HELICOBACTER PYLORI]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="">
<collab>IARC</collab>
<source><![CDATA[Colombia. source: Globocan 2020 [Internet]. Iarc.fr.; 2021]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Weng]]></surname>
<given-names><![CDATA[C-Y]]></given-names>
</name>
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[J-L]]></given-names>
</name>
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[S-P]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[K-J]]></given-names>
</name>
<name>
<surname><![CDATA[Lv]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Helicobacter pylori eradication: Exploring its impacts on the gastric mucosa]]></article-title>
<source><![CDATA[World J Gastroenterol]]></source>
<year>2021</year>
<volume>27</volume>
<numero>31</numero>
<issue>31</issue>
<page-range>5152-70</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Basso]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Gallo]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Biacchi]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Carati]]></surname>
<given-names><![CDATA[MV]]></given-names>
</name>
<name>
<surname><![CDATA[Cavallaro]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Esposito]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Role of new anatomy, biliopancreatic reflux, and Helicobacter pylori status in postgastrectomy stump cancer]]></article-title>
<source><![CDATA[J Clin Med]]></source>
<year>2022</year>
</nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bordin]]></surname>
<given-names><![CDATA[DS]]></given-names>
</name>
<name>
<surname><![CDATA[Voynovan]]></surname>
<given-names><![CDATA[IN]]></given-names>
</name>
<name>
<surname><![CDATA[Andreev]]></surname>
<given-names><![CDATA[DN]]></given-names>
</name>
<name>
<surname><![CDATA[Maev]]></surname>
<given-names><![CDATA[IV]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Current Helicobacter pylori diagnostics]]></article-title>
<source><![CDATA[Diagnostics (Basel)]]></source>
<year>2021</year>
<volume>11</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1458</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chahuán]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[La]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Villalón]]></surname>
<given-names><![CDATA[FA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Métodos de diagnóstico para la detección de la infección por Helicobacter pylori]]></article-title>
<source><![CDATA[Rev Gastroenterol Latinoam]]></source>
<year>2020</year>
<volume>31</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>98-106</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sabbagh]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Mohammadnia-Afrouzi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Javanian]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Babazadeh]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Koppolu]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Vasigala]]></surname>
<given-names><![CDATA[VR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diagnostic methods for Helicobacter pylori infection: ideals, options, and limitations]]></article-title>
<source><![CDATA[Eur J Clin Microbiol Infect Dis]]></source>
<year>2019</year>
<volume>38</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>55-66</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nizeyimana]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Rugwizangoga]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Manirakiza]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Laga]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Occurrence of Helicobacter pylori in specimens of chronic gastritis and gastric adenocarcinoma patients: A retrospective study at university teaching hospital, Kigali, Rwanda]]></article-title>
<source><![CDATA[East Afr Health Res J]]></source>
<year>2021</year>
<volume>5</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>159-63</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Yamada]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[YL]]></given-names>
</name>
<name>
<surname><![CDATA[Wen]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Matsuhisa]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Matsukura]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Helicobacter pylori infection, glandular atrophy and intestinal metaplasia in superficial gastritis, gastric erosion, erosive gastritis, gastric ulcer and early gastric cancer]]></article-title>
<source><![CDATA[World J Gastroenterol]]></source>
<year>2005</year>
<volume>11</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>791-6</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chahuan]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Pizarro]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Riquelme]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Métodos diagnósticos para la detección de infección por Helicobacter pylori. ¿Cuál y cuándo deben solicitarse?]]></article-title>
<source><![CDATA[Acta Gastroenterol Latinoam]]></source>
<year>2022</year>
<volume>52</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>36-46</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Loor]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Dumitra&#351;cu]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Helicobacter pylori Infection, Gastric Cancer and Gastropanel]]></article-title>
<source><![CDATA[Rom J Intern Med]]></source>
<year>2016</year>
<volume>54</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>151-6</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dixon]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<name>
<surname><![CDATA[Genta]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[Yardley]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Classification and grading of gastritis. The updated Sydney System. International Workshop on the Histopathology of Gastritis, Houston 1994]]></article-title>
<source><![CDATA[Am J Surg Pathol]]></source>
<year>1996</year>
<volume>20</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1161-81</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salazar]]></surname>
<given-names><![CDATA[BE]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Cala]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Gomez-Villegas]]></surname>
<given-names><![CDATA[SI]]></given-names>
</name>
<name>
<surname><![CDATA[Cardona-Zapata]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Pazos- Bastidas]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Cardona-Estepa]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The OLGA-OLGIM staging and the interobserver agreement for gastritis and preneoplastic lesion screening: a cross-sectional study]]></article-title>
<source><![CDATA[Virchows Arch]]></source>
<year>2022</year>
<volume>480</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>759-69</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mawlood]]></surname>
<given-names><![CDATA[AH]]></given-names>
</name>
<name>
<surname><![CDATA[Kawther]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
<name>
<surname><![CDATA[Balaky]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of Invasive and Non-Invasive Methods for the Diagnosis of H. pylori in Dyspepsia Patients]]></article-title>
<source><![CDATA[Diyala J Med]]></source>
<year>2019</year>
<volume>16</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>55-63</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Laine]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Lewin]]></surname>
<given-names><![CDATA[DN]]></given-names>
</name>
<name>
<surname><![CDATA[Naritoku]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Cohen]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prospective comparison of H&amp;E, Giemsa, and Genta stains for the diagnosis of Helicobacter pylori]]></article-title>
<source><![CDATA[Gastrointest Endosc]]></source>
<year>1997</year>
<volume>45</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>463-7</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miwata]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Quach]]></surname>
<given-names><![CDATA[DT]]></given-names>
</name>
<name>
<surname><![CDATA[Hiyama]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Aoki]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Le]]></surname>
<given-names><![CDATA[HM]]></given-names>
</name>
<name>
<surname><![CDATA[Tran]]></surname>
<given-names><![CDATA[PLN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Interobserver and intraobserver agreement for gastric mucosa atrophy]]></article-title>
<source><![CDATA[BMC Gastroenterol]]></source>
<year>2015</year>
<volume>15</volume>
<page-range>95</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zolezzi-Francis]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gastritis atrófiaca y Helicobacter pylori]]></article-title>
<source><![CDATA[Rev Gastroenterol Peru]]></source>
<year>2002</year>
<volume>22</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>197-8</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kong]]></surname>
<given-names><![CDATA[Y-J]]></given-names>
</name>
<name>
<surname><![CDATA[Yi]]></surname>
<given-names><![CDATA[H-G]]></given-names>
</name>
<name>
<surname><![CDATA[Dai]]></surname>
<given-names><![CDATA[J-C]]></given-names>
</name>
<name>
<surname><![CDATA[Wei]]></surname>
<given-names><![CDATA[M-X]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Histological changes of gastric mucosa after Helicobacter pylori eradication: a systematic review and meta-analysis]]></article-title>
<source><![CDATA[World J Gastroenterol]]></source>
<year>2014</year>
<volume>20</volume>
<numero>19</numero>
<issue>19</issue>
<page-range>5903-11</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sung]]></surname>
<given-names><![CDATA[JJY]]></given-names>
</name>
<name>
<surname><![CDATA[Coker]]></surname>
<given-names><![CDATA[OO]]></given-names>
</name>
<name>
<surname><![CDATA[Chu]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Szeto]]></surname>
<given-names><![CDATA[CH]]></given-names>
</name>
<name>
<surname><![CDATA[Luk]]></surname>
<given-names><![CDATA[STY]]></given-names>
</name>
<name>
<surname><![CDATA[Lau]]></surname>
<given-names><![CDATA[HCH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gastric microbes associated with gastric inflammation, atrophy and intestinal metaplasia 1 year after Helicobacter pylori eradication]]></article-title>
<source><![CDATA[Gut]]></source>
<year>2020</year>
<volume>69</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1572-80</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hwang]]></surname>
<given-names><![CDATA[Y-J]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[HS]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[JB]]></given-names>
</name>
<name>
<surname><![CDATA[Choi]]></surname>
<given-names><![CDATA[YJ]]></given-names>
</name>
<name>
<surname><![CDATA[Yoon]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reversibility of atrophic gastritis and intestinal metaplasia after Helicobacter pylori eradication - a prospective study for up to 10 years]]></article-title>
<source><![CDATA[Aliment Pharmacol Ther]]></source>
<year>2018</year>
<volume>47</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>380-90</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chiang]]></surname>
<given-names><![CDATA[T-H]]></given-names>
</name>
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[W-J]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[SL-S]]></given-names>
</name>
<name>
<surname><![CDATA[Yen]]></surname>
<given-names><![CDATA[AM-F]]></given-names>
</name>
<name>
<surname><![CDATA[Fann]]></surname>
<given-names><![CDATA[JC-Y]]></given-names>
</name>
<name>
<surname><![CDATA[Chiu]]></surname>
<given-names><![CDATA[SY-H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mass eradication of Helicobacter pylori to reduce gastric cancer incidence and mortality: a long-term cohort study on Matsu Islands]]></article-title>
<source><![CDATA[Gut]]></source>
<year>2021</year>
<volume>70</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>243-50</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shah]]></surname>
<given-names><![CDATA[DK]]></given-names>
</name>
<name>
<surname><![CDATA[Jain]]></surname>
<given-names><![CDATA[SS]]></given-names>
</name>
<name>
<surname><![CDATA[Mohite]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Amarapurkar]]></surname>
<given-names><![CDATA[AD]]></given-names>
</name>
<name>
<surname><![CDATA[Contractor]]></surname>
<given-names><![CDATA[QQ]]></given-names>
</name>
<name>
<surname><![CDATA[Rathi]]></surname>
<given-names><![CDATA[PM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of H. pylori density by histopathology on its complications and eradication therapy]]></article-title>
<source><![CDATA[Trop Gastroenterol]]></source>
<year>2015</year>
<volume>36</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>101-6</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Rauf]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Muhammad]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Javaid]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Alam]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Nasir]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparación de tinciones especiales (tinción de Giemsa y tinción de azul de toluidina modificada) con inmunohistoquímica como estándar de oro para la detección de H. pylori en biopsias gástricas]]></article-title>
<source><![CDATA[Arab J Gastroenterol]]></source>
<year>2022</year>
<volume>23</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>75-81</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boldt]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[Barbosa]]></surname>
<given-names><![CDATA[AJA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Identificación histológica de H. pylori stained por hematoxilina-eosina y Giemsa: revisión para el control de calidad]]></article-title>
<source><![CDATA[J Bras Patol Med Lab]]></source>
<year>2015</year>
<volume>51</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>108-12</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alkhamiss]]></surname>
<given-names><![CDATA[AS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of better staining method among hematoxylin and eosin, Giemsa and periodic acid Schiff-Alcian blue for the detection of Helicobacter pylori in gastric biopsies]]></article-title>
<source><![CDATA[Malays J Med Sci]]></source>
<year>2020</year>
<volume>27</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>53-61</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moayyedi]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Dixon]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Any role left for invasive tests? Histology in clinical practice]]></article-title>
<source><![CDATA[Gut]]></source>
<year>1998</year>
<volume>43</volume>
<numero>^s1</numero>
<issue>^s1</issue>
<supplement>1</supplement>
<page-range>S51-5</page-range></nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vaira]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Ricci]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Holton]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diagnosis of Helicobacter pylori: invasive and non- invasive tests]]></article-title>
<source><![CDATA[Best Pract Res Clin Gastroenterol]]></source>
<year>2007</year>
<volume>21</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>299-313</page-range></nlm-citation>
</ref>
<ref id="B32">
<label>32</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[JY]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diagnosis of Helicobacter pylori by invasive test: histology]]></article-title>
<source><![CDATA[Ann Transl Med]]></source>
<year>2015</year>
<volume>3</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>10</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>33</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Makristathis]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Hirschl]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Mégraud]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Bessède]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Review: Diagnosis of Helicobacter pylori infection]]></article-title>
<source><![CDATA[Helicobacter]]></source>
<year>2019</year>
<volume>24</volume>
<numero>^s1</numero>
<issue>^s1</issue>
<supplement>1</supplement>
</nlm-citation>
</ref>
<ref id="B34">
<label>34</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Batts]]></surname>
<given-names><![CDATA[KP]]></given-names>
</name>
<name>
<surname><![CDATA[Ketover]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Kakar]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Krasinskas]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Mitchell]]></surname>
<given-names><![CDATA[KA]]></given-names>
</name>
<name>
<surname><![CDATA[Wilcox]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Appropriate use of special stains for identifying Helicobacter pylori: Recommendations from the Rodger C. Haggitt Gastrointestinal Pathology Society]]></article-title>
<source><![CDATA[Am J Surg Pathol]]></source>
<year>2013</year>
<volume>37</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>e12-22</page-range></nlm-citation>
</ref>
<ref id="B35">
<label>35</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sabbagh]]></surname>
<given-names><![CDATA[LC]]></given-names>
</name>
<name>
<surname><![CDATA[Otero]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Hani]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Galindo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Leguízamo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Maldonado]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Guías de práctica clínica basadas en la evidencia. Guía de práctica clínica para el diagnóstico y tratamiento de la infección por Helicobacter pylori en adultos [Internet]. Asociación Colombiana de Gastroenterología; 2016-2017]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B36">
<label>36</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kocsmár]]></surname>
<given-names><![CDATA[É]]></given-names>
</name>
<name>
<surname><![CDATA[Szirtes]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Kramer]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Szijártó]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bene]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Buzás]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sensitivity of Helicobacter pylori detection by Giemsa staining is poor in comparison with immunohistochemistry and fluorescent in situ hybridization and strongly depends on inflammatory activity]]></article-title>
<source><![CDATA[Helicobacter]]></source>
<year>2017</year>
<volume>22</volume>
<numero>4</numero>
<issue>4</issue>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
