<?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>0301-696X</journal-id>
<journal-title><![CDATA[Revista de sanidad militar]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. sanid. mil.]]></abbrev-journal-title>
<issn>0301-696X</issn>
<publisher>
<publisher-name><![CDATA[Secretaría de la Defensa Nacional, Dirección General de Sanidad]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0301-696X2023000200002</article-id>
<article-id pub-id-type="doi">10.56443/rsm.v77i2.365</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Manejo endoscópico de fístulas del seno piriforme. Reporte de dos casos]]></article-title>
<article-title xml:lang="en"><![CDATA[Endoscopic management of piriform sinus fistula. Two cases report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Paredes]]></surname>
<given-names><![CDATA[Vicente]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Madriñán-Rivas]]></surname>
<given-names><![CDATA[Jorge Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Lucatero]]></surname>
<given-names><![CDATA[Silvia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Simonín-Ruiz]]></surname>
<given-names><![CDATA[Oscar David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pacheco-Y Orozco]]></surname>
<given-names><![CDATA[Farid Adán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital del Niño Dr Rodolfo Nieto Padrón  ]]></institution>
<addr-line><![CDATA[Villahermosa Tabasco]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Médica Tabasco  ]]></institution>
<addr-line><![CDATA[Villahermosa Tabasco]]></addr-line>
<country>México</country>
</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>77</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0301-696X2023000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0301-696X2023000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0301-696X2023000200002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Caso 1:  Femenino de cuatro años de edad con absceso cervical izquierdo recurrente por fístula del seno piriforme izquierdo tratada finalmente con electrocoagulación endoscópica sin recidivas en más de siete meses.  Caso 2: Masculino de seis años de edad con absceso cervical izquierdo recurrente por fístula del seno piriforme izquierdo tratado con electrocoagulación endoscópica sin recidivas en más de 6 meses.  Discusión:  Las fistulas del seno piriforme son poco comunes, resueltas en forma quirúrgica con amplias disecciones cervicales y en ocasiones con hemitiroidectomías. No suelen sospecharse sino hasta la recurrencia del cuadro. Aunque no todos los abscesos cervicales son por fístulas del seno piriforme, recomendamos descartarla en casos de recidiva sobre todo en el lado izquierdo del cuello; acompañando el drenaje con exploración endoscópica. De confirmarse el diagnóstico se ofrece tratamiento por electrocoagulación en la misma intervención con mejores resultados al evitar los riesgos que implica la resección extensa del tratamiento convencional. En nuestros casos usamos endoscopía flexible y electrocoagulación con resultados superiores en relación con el tratamiento quirúrgico convencional.  Limitaciones:  Solo se trata de dos casos, pero corresponden a una entidad poco frecuente.  Valor:  Se muestra como alternativa el tratamiento endoscópico con electrocoagulación con mejores resultados en relación con el manejo tradicional para los casos de fístula del seno piriforme en niños.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Case 1: A 4-year-old female with a recurrent left cervical abscess due to a left piriform sinus fistula finally treated with endoscopic electrocoagulation without recurrences for more than 7 months.  Case 2:  6-year-old male with recurrent left cervical abscess due to left piriform sinus fistula treated with endoscopic electrocoagulation without recurrences for more than 6 months.  Discussion:  Piriform sinus fistulas are rare and are surgically corrected with extensive cervical dissections and occasionally hemithyroidectomies. They are not usually noticed as such until the recurrence. Although not all cervical abscesses are due to piriform sinus fistulas, we recommend ruling out in cases of recurrence, especially on the left side of the neck, accompanying by drainage with endoscopic exploration. If the suspicion is confirmed, electrocoagulation treatment is offered in the same intervention with better results by avoiding the risks involved in an extensive resection with conventional treatment. In our cases we use flexible endoscopy and electrocoagulation with better results compared to conventional surgical treatment.  Limitations:  These are only two cases, but they are rare.  Value:  Endoscopic treatment with electrocoagulation is shown as an alternative with better results in relation to traditional management for cases of piriform sinus fistula in children.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Pyriform sinus]]></kwd>
<kwd lng="en"><![CDATA[fistula]]></kwd>
<kwd lng="en"><![CDATA[endoscopy]]></kwd>
<kwd lng="en"><![CDATA[child]]></kwd>
<kwd lng="es"><![CDATA[Seno piriforme]]></kwd>
<kwd lng="es"><![CDATA[fístula]]></kwd>
<kwd lng="es"><![CDATA[endoscopía]]></kwd>
<kwd lng="es"><![CDATA[niños]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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