<?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>S2183-13512020000200019</article-id>
<article-id pub-id-type="doi">10.25748/arp.18883</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Calcificação Caseosa do Anel da Válvula Mitral: A Propósito de um Caso Clínico]]></article-title>
<article-title xml:lang="en"><![CDATA[Caseous Calcification of the Mitral Valve Annulus: A Case Report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rebelo]]></surname>
<given-names><![CDATA[João]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[André]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Portugal1]]></surname>
<given-names><![CDATA[Inês]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cunha1,2]]></surname>
<given-names><![CDATA[Rui]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Hospitalar Universitário de São João Serviço de Radiologia ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade do Porto Faculdade de Medicina ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>08</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>08</month>
<year>2020</year>
</pub-date>
<volume>32</volume>
<numero>2</numero>
<fpage>19</fpage>
<lpage>21</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2183-13512020000200019&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2183-13512020000200019&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2183-13512020000200019&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A calcificação caseosa do anel da válvula mitral resulta da degenerescência crónica do seu anel valvular fibroso que se apresenta sob a forma de calcificação caseosa. Esta representa uma variante rara e idiopática, cujo desconhecimento pode levar a diagnósticos equívocos. Os autores apresentam um caso clínico de calcificação caseosa do ânulo da válvula mitral, incluindo os seus principais achados imagiológicos e diagnósticos diferenciais.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Annular calcification of the mitral valve annulus results from chronic degeneration of its fibrous valve annulus that may present as caseous calcification. This represents a rare and idiopathic variant whose lack of knowledge can lead to misdiagnosis. The authors present a case report of caseous calcification of the mitral valve annulus, including its main imaging findings and differential diagnoses.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Válvula mitral]]></kwd>
<kwd lng="pt"><![CDATA[Calcificação ectópica]]></kwd>
<kwd lng="pt"><![CDATA[Tomografia computorizada]]></kwd>
<kwd lng="pt"><![CDATA[Ressonância magnética.]]></kwd>
<kwd lng="en"><![CDATA[Mitral valve]]></kwd>
<kwd lng="en"><![CDATA[Ectopic calcification]]></kwd>
<kwd lng="en"><![CDATA[Computed tomography]]></kwd>
<kwd lng="en"><![CDATA[Magnetic Resonance.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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