<?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>2183-1351</journal-id>
<journal-title><![CDATA[Acta Radiológica Portuguesa]]></journal-title>
<abbrev-journal-title><![CDATA[Acta Radiol Port]]></abbrev-journal-title>
<issn>2183-1351</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Radiologia e Medicina Nuclear]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2183-13512026000100801</article-id>
<article-id pub-id-type="doi">10.25748/arp.42110</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Primary Pleural Ewing Sarcoma in a Young Adult]]></article-title>
<article-title xml:lang="pt"><![CDATA[Sarcoma de Ewing Primário da Pleura num Jovem Adulto]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fialho]]></surname>
<given-names><![CDATA[Sofia Néri]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fialho]]></surname>
<given-names><![CDATA[Mafalda Pinho]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Neves]]></surname>
<given-names><![CDATA[Djamila]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alvoeiro]]></surname>
<given-names><![CDATA[Magda Vieira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[Rute]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Unidade Local de Saúde do Algarve Serviço de Radiologia de Faro ]]></institution>
<addr-line><![CDATA[Faro ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Unidade Local de Saúde de Santa Maria Serviço de Anatomia Patológica ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Unidade Local de Saúde do Algarve Serviço de Pneumologia ]]></institution>
<addr-line><![CDATA[Faro ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Unidade Local de Saúde de Santa Maria Serviço de Cirurgia Torácica ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>01</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>01</month>
<year>2026</year>
</pub-date>
<volume>38</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2183-13512026000100801&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2183-13512026000100801&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2183-13512026000100801&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Primary pleural Ewing sarcoma is a very rare entity with only sporadic cases reported in the literature. It is characterized by a high degree of malignancy, a poor prognosis, and difficulty in early diagnosis, since it has no specific clinical manifestations or characteristic imagiological features. The authors present a well-documented case of primary pleural Ewing sarcoma in a 20-year-old female, including chest X-ray, computed tomography and positron emission tomography findings.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O sarcoma de Ewing primário da pleura é uma entidade rara, com apenas alguns casos relatados na literatura. Caracteriza-se por apresentar um elevado grau de malignidade, mau prognóstico e dificuldade no diagnóstico precoce, uma vez que não apresenta manifestações clínicas específicas ou aspetos imagiológicos caraterísticos. Os autores apresentam um caso bem documentado de sarcoma de Ewing primário da pleura numa mulher de 20 anos de idade, com radiografia do tórax, tomografia computorizada e tomografia por emissão de positrões.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Sarcoma de Ewing]]></kwd>
<kwd lng="pt"><![CDATA[Malignidade]]></kwd>
<kwd lng="pt"><![CDATA[Prognóstico]]></kwd>
<kwd lng="pt"><![CDATA[Jovem adulto]]></kwd>
<kwd lng="pt"><![CDATA[Parede torácica.]]></kwd>
<kwd lng="en"><![CDATA[Ewing sarcoma]]></kwd>
<kwd lng="en"><![CDATA[Malignancy]]></kwd>
<kwd lng="en"><![CDATA[Prognosis]]></kwd>
<kwd lng="en"><![CDATA[Young adult]]></kwd>
<kwd lng="en"><![CDATA[Thoracic wall.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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