<?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>0872-0754</journal-id>
<journal-title><![CDATA[Nascer e Crescer]]></journal-title>
<abbrev-journal-title><![CDATA[Nascer e Crescer]]></abbrev-journal-title>
<issn>0872-0754</issn>
<publisher>
<publisher-name><![CDATA[Centro Hospitalar do Porto]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0872-07542024000400292</article-id>
<article-id pub-id-type="doi">10.25753/birthgrowthmj.v33.i4.32274</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A rare cause of constipation]]></article-title>
<article-title xml:lang="pt"><![CDATA[Uma causa rara de obstipação]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monteiro]]></surname>
<given-names><![CDATA[Sara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Teixeira]]></surname>
<given-names><![CDATA[Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Couto]]></surname>
<given-names><![CDATA[Cristina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Gisela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Unidade Local de Saúde de Santo António Centro Materno-Infantil do Norte Department of Pediatrics]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Português de Oncologia do Porto Department of Pediatric Oncology ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Unidade Local de Saúde de Santo António Centro Materno-Infantil do Norte Pediatric Gastroenterology Unit]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>33</volume>
<numero>4</numero>
<fpage>292</fpage>
<lpage>294</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0872-07542024000400292&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0872-07542024000400292&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0872-07542024000400292&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In Pediatrics, functional etiology accounts for the vast majority of constipation cases, while neoplastic etiology is rare. The authors describe the case of a 14-year-old male with a history of constipation that progressively worsened and became refractory to medical treatment. On physical examination, the patient had a distended and painful abdomen with a palpable mass in the hypogastric region. An abdominopelvic computed tomography scan revealed multiple masses highly suggestive of a neoplastic process. Anatomopathologic examination confirmed the diagnosis of desmoplastic small round cell tumor (DSRCT). DSRCT is an extremely rare and aggressive malignancy that can present without constitutional symptoms. This case highlights the importance of recognizing warning signs in patients presenting with constipation.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A maioria dos casos de obstipação em idade pediátrica é de etiologia funcional e as causas neoplásicas são extremamente raras. É descrito o caso de um adolescente com antecedentes de obstipação com agravamento progressivo e refratária ao tratamento médico. Ao exame objetivo, apresentava abdómen distendido e doloroso e massa hipogástrica palpável. A tomografia computorizada abdominopélvica revelou múltiplas massas altamente sugestivas de neoplasia e o exame anatomopatológico estabeleceu o diagnóstico de tumor desmoplásico de pequenas células redondas (TDPCR). O TDPCR é uma neoplasia extremamente rara e agressiva que pode apresentar-se sem sintomas constitucionais. Este caso reforça a importância de reconhecer os sinais de alarme em doentes com obstipação.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[adolescent]]></kwd>
<kwd lng="en"><![CDATA[constipation]]></kwd>
<kwd lng="en"><![CDATA[tumor]]></kwd>
<kwd lng="pt"><![CDATA[adolescente]]></kwd>
<kwd lng="pt"><![CDATA[obstipação]]></kwd>
<kwd lng="pt"><![CDATA[tumor]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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</article>
