<?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>S2183-13512022000300023</article-id>
<article-id pub-id-type="doi">10.25748/arp.27057</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Salivary Duct Carcinoma of the Parotid Gland: a Rare Cancer and a Potential Ominous Mimicker]]></article-title>
<article-title xml:lang="pt"><![CDATA[Carcinoma dos Ductos Salivares da Glândula Parótida: um Cancro Raro e uma Potencial Armadilha Sinistra]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[Diogo Costa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Neto]]></surname>
<given-names><![CDATA[Tiago Henriques]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[Diogo Abreu]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dias]]></surname>
<given-names><![CDATA[Sílvia Costa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Madureira]]></surname>
<given-names><![CDATA[António]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[Célia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Hospitalar Universitário de São João Department of Radiology ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro Hospitalar Universitário de São João Department of Maxillofacial Surgery ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro Hospitalar Universitário de São João Department of Otorhinolaryngology ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>34</volume>
<numero>3</numero>
<fpage>23</fpage>
<lpage>26</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2183-13512022000300023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2183-13512022000300023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2183-13512022000300023&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Salivary duct carcinoma is a rare malignant tumor of the salivary glands that most frequently affects the parotid gland in men in their 7th decade of life. It presents as a rapidly growing mass, which develops aggressively with risk of early distant metastases, local recurrence, and high mortality. Imaging findings are nonspecific, but they are essential in the characterization of the lesions and staging. The definitive diagnosis is made through histopathological examination. The therapeutic approach is not yet consensual, but it is usually aggressive, with total parotidectomy being recommended, as well as postoperative radiation therapy in certain cases, and chemotherapy in metastatic disease. In this case report, we present a 79-year-old man with a painless, indurated swelling in the right parotid region, associated with irregular violaceous cutaneous plaques, which was later diagnosed as salivary duct carcinoma.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O carcinoma dos ductos salivares é um tumor maligno raro das glândulas salivares, que afeta mais frequentemente a glândula parótida em homens na sua sétima década de vida. A apresentação consiste numa massa de crescimento rápido, que se desenvolve de forma agressiva com risco de metástases à distância numa fase inicial, recorrência local e elevada mortalidade. Os achados imagiológicos são inespecíficos, mas essenciais na caracterização das lesões e no estadiamento. O diagnóstico definitivo é feito através de análise anatomopatológica. A abordagem terapêutica não é ainda consensual, mas é habitualmente agressiva, recomendando-se parotidectomia total, assim como radioterapia pós-operatória em certos casos, e quimioterapia na doença metastática. Neste relato de caso, apresentamos um homem com 79 anos com uma tumefação de consistência pétrea e indolor na região parotídea direita, com placas cutâneas violáceas irregulares, que se veio a confirmar tratar-se de um carcinoma dos ductos salivares.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Salivary duct carcinoma]]></kwd>
<kwd lng="en"><![CDATA[Parotid gland]]></kwd>
<kwd lng="en"><![CDATA[Computerized tomography]]></kwd>
<kwd lng="en"><![CDATA[Magnetic resonance imaging.]]></kwd>
<kwd lng="pt"><![CDATA[Carcinoma dos ductos salivares]]></kwd>
<kwd lng="pt"><![CDATA[Glândula parótida]]></kwd>
<kwd lng="pt"><![CDATA[Tomografia computadorizada]]></kwd>
<kwd lng="pt"><![CDATA[Ressonância magnética.]]></kwd>
</kwd-group>
</article-meta>
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