<?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>S1683-98032023000300204</article-id>
<article-id pub-id-type="doi">10.31698/ped.50032023009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Urolitiasis en lactantes: un reto diagnóstico y terapéutico. Reporte de un caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Urolithiasis in infants: a diagnostic and therapeutic challenge. 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[Holguín Barrera]]></surname>
<given-names><![CDATA[Mónica Liseth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velandia Siabato]]></surname>
<given-names><![CDATA[Duván Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Coronel]]></surname>
<given-names><![CDATA[Natalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Regional de la Orinoquía Departamento de investigación ]]></institution>
<addr-line><![CDATA[Yopal ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Regional de la Orinoquía Departamento de pediatría ]]></institution>
<addr-line><![CDATA[Yopal ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>50</volume>
<numero>3</numero>
<fpage>204</fpage>
<lpage>209</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S1683-98032023000300204&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S1683-98032023000300204&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S1683-98032023000300204&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La litiasis urinaria en niños obedece a cambios nutricionales, ambientales, climáticos, predisposición genética, infecciones del tracto urinario, anomalías metabólicas y/o anatómicas subyacentes, su incidencia es de 1-3%, la cual se ha incrementado en la última década. Se presenta lactante masculino de 22 meses, con presencia de cálculos a nivel uretral con proceso infeccioso asociado, quien requirió procedimiento invasivo para la extracción de un cálculo y documentaron hiperuricosuria, hipomagneseuria e hipercalciuria, sin antecedente familiar de litiasis renal. La urolitiasis en lactantes es relevante dado el papel que puede tener en la etiología de la infección urinaria y en el deterioro progresivo de la función renal, abarca un manejo integral multidisciplinario debido a su carácter recurrente y que aún no existe un tratamiento curativo, es importante establecer los factores de riesgo, definir estrategias para el diagnóstico temprano y acciones para su prevención y procedimientos menos invasivos para la extracción de los cálculos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Urinary lithiasis in children are due to nutritional, environmental, climatic changes, genetic predisposition, urinary tract infections, underlying metabolic and/or anatomical anomalies. Its incidence is 1-3%, which has increased in the last decade. We present the case of a 22-month-old male infant, who presented with stones at the urethral level with an associated infectious process, and who required an invasive procedure for the extraction of a stone. The patient had documented hyperuricosuria, hypomagneseuria and hypercalciuria, without a family history of kidney stones. Urolithiasis in infants is relevant given the role it can play in the etiology of urinary infection and the progressive deterioration of kidney function. Its treatment encompasses comprehensive multidisciplinary management due to its recurrent nature and the fact that there is still no curative treatment. It is important to identify risk factors, define strategies for early diagnosis, preventive measures and less invasive procedures for stone extraction.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Nefrolitiasis]]></kwd>
<kwd lng="es"><![CDATA[lactante]]></kwd>
<kwd lng="es"><![CDATA[retención urinaria]]></kwd>
<kwd lng="es"><![CDATA[infecciones]]></kwd>
<kwd lng="es"><![CDATA[cistotomía]]></kwd>
<kwd lng="es"><![CDATA[reporte de caso]]></kwd>
<kwd lng="en"><![CDATA[Nephrolithiasis]]></kwd>
<kwd lng="en"><![CDATA[infant]]></kwd>
<kwd lng="en"><![CDATA[urinary retention]]></kwd>
<kwd lng="en"><![CDATA[infections]]></kwd>
<kwd lng="en"><![CDATA[cystotomy]]></kwd>
<kwd lng="en"><![CDATA[case report]]></kwd>
</kwd-group>
</article-meta>
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