<?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>2307-0420</journal-id>
<journal-title><![CDATA[Cirugía paraguaya]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. parag.]]></abbrev-journal-title>
<issn>2307-0420</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Paraguaya de Cirugía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2307-04202025000200023</article-id>
<article-id pub-id-type="doi">10.18004/sopaci.2025.agosto.23</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Neumomediastino tardío tras trauma cerrado de tórax]]></article-title>
<article-title xml:lang="en"><![CDATA[Delayed pneumomediastinum following blunt chest trauma]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Luraschi Centurión]]></surname>
<given-names><![CDATA[Víctor Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Almada Ruiz Diaz]]></surname>
<given-names><![CDATA[Montserrat]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[Roun]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General de Luque  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2025</year>
</pub-date>
<volume>49</volume>
<numero>2</numero>
<fpage>23</fpage>
<lpage>26</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2307-04202025000200023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2307-04202025000200023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2307-04202025000200023&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El neumomediastino traumático aislado y de presentación tardía es una condición poco frecuente, que puede pasar inadvertida sin una adecuada sospecha clínica e interpretación radiológica. Se reporta el caso de un paciente con trauma cerrado de tórax, que consultó una semana después del evento, con hallazgos de neumomediastino sin neumotórax. La fibrobroncoscopía evidenció lesión en el bronquio lobar superior izquierdo, manejada exitosamente con drenaje pleural en aspiración continua. La evolución clínica fue favorable, confirmándose la resolución mediante tomografía. Este caso subraya la importancia del seguimiento en traumas torácicos aparentemente leves y del enfoque diagnóstico-escalonado según la disponibilidad de recursos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Isolated and delayed-onset traumatic pneumomediastinum is a rare condition that may go unnoticed without proper clinical suspicion and radiologic interpretation. We report the case of a patient with blunt chest trauma who presented one week after the incident, with imaging findings of pneumomediastinum without pneumothorax. Bronchoscopy revealed a lesion in the left upper lobar bronchus, which was successfully managed with pleural drainage. The clinical course was favorable, with progressive resolution confirmed by computed tomography. This case highlights the importance of follow-up in seemingly mild chest trauma and a stepwise diagnostic approach based on resource availability.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[neumomediastino]]></kwd>
<kwd lng="en"><![CDATA[trauma cerrado de tórax]]></kwd>
<kwd lng="en"><![CDATA[fibrobroncoscopía]]></kwd>
<kwd lng="en"><![CDATA[lesiones del árbol traqueobronquial]]></kwd>
<kwd lng="en"><![CDATA[drenaje pleural]]></kwd>
<kwd lng="en"><![CDATA[pneumomediastinum]]></kwd>
<kwd lng="en"><![CDATA[blunt chest trauma]]></kwd>
<kwd lng="en"><![CDATA[fibrobronchoscopy]]></kwd>
<kwd lng="en"><![CDATA[tracheobronchial injuries]]></kwd>
<kwd lng="en"><![CDATA[chest tube drainage]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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