<?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>1683-9803</journal-id>
<journal-title><![CDATA[Pediatría (Asunción)]]></journal-title>
<abbrev-journal-title><![CDATA[Pediatr. (Asunción)]]></abbrev-journal-title>
<issn>1683-9803</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Paraguaya de Pediatría]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1683-98032025000300243</article-id>
<article-id pub-id-type="doi">10.31698/ped.52032025013</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Patología de síntomas bizarros y diagnóstico complicado, absceso del psoas en pediatría. Reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[A pathology of bizarre symptoms and complicated diagnosis, psoas abscess in pediatrics. A case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Agudelo]]></surname>
<given-names><![CDATA[Lorena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Avellaneda Curcho]]></surname>
<given-names><![CDATA[Luis Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez Hernández]]></surname>
<given-names><![CDATA[Laura Catalina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velasco Castro]]></surname>
<given-names><![CDATA[Julio César]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Otero López]]></surname>
<given-names><![CDATA[Rober Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Regional de la Orinoquía  ]]></institution>
<addr-line><![CDATA[Yopal ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<volume>52</volume>
<numero>3</numero>
<fpage>243</fpage>
<lpage>248</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S1683-98032025000300243&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S1683-98032025000300243&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S1683-98032025000300243&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El absceso del psoas es una lesión que se produce por continuidad desde focos adyacentes o por diseminación hematógena o linfática, su etiología es variada.  Descripción del Caso clínico:  Paciente masculino de 6 años, que presentó dolor lumbar, dolor en cadera izquierda, fiebre y marcha antálgica, al cual inicialmente le sospecharon artritis séptica de cadera y se le diagnosticó por estudios tomográficos absceso de paso bilateral y respondió favorablemente al manejo con terapia antibiótica por 10 días, se estableció que era de origen primario y por el tamaño no requirió drenaje percutáneo ni quirúrgico.  Discusión:  El absceso del psoas se debe considerar como diagnóstico diferencial en los casos de dolor lumbar y fiebre, por cuanto un diagnóstico oportuno y un tratamiento adecuado pueden evitar desenlaces fatales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[RESUMEN  Introduction:  A psoas abscess is a lesion that arises from continuity with adjacent foci or from hematogenous or lymphatic dissemination. Its etiology is varied.  Clinical Case Description:  A 6-year-old male patient presented with lower back pain, left hip pain, fever, and antalgic gait. Initially suspected of having septic arthritis of the hip, he was diagnosed with bilateral psoas abscesses via CT scan. He responded favorably to antibiotic therapy for 10 days. It was determined to be of primary origin, and due to its size, percutaneous or surgical drainage was not required.  Discussion: A psoas abscess should be considered in the differential diagnosis of cases of lower back pain and fever, as timely diagnosis and appropriate treatment can prevent fatal outcomes.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Absceso del Psoas]]></kwd>
<kwd lng="es"><![CDATA[dolor de la región lumbar]]></kwd>
<kwd lng="es"><![CDATA[fiebre]]></kwd>
<kwd lng="es"><![CDATA[drenaje]]></kwd>
<kwd lng="es"><![CDATA[caso clínico]]></kwd>
<kwd lng="en"><![CDATA[Psoas abscess]]></kwd>
<kwd lng="en"><![CDATA[lower back pain]]></kwd>
<kwd lng="en"><![CDATA[fever]]></kwd>
<kwd lng="en"><![CDATA[drainage]]></kwd>
<kwd lng="en"><![CDATA[case report]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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