<?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>S2183-13512022000100033</article-id>
<article-id pub-id-type="doi">10.25748/arp.25834</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Cervical Haematoma Secondary to Spontaneous Thyroid Haemorrhage]]></article-title>
<article-title xml:lang="pt"><![CDATA[Hematoma Cervical Secundário a Hemorragia Espontânea da Tiroide]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[Matilde Almeida e]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dutra]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[Guida Matos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Hospitalar Universitário Lisboa Central Radiology Department ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro Hospitalar Universitário Lisboa Central Pathology Department ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>04</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>04</month>
<year>2022</year>
</pub-date>
<volume>34</volume>
<numero>1</numero>
<fpage>33</fpage>
<lpage>35</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2183-13512022000100033&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2183-13512022000100033&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2183-13512022000100033&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Spontaneous thyroid haemorrhage is rare, but it can be a potentially life-threatening condition in severe cases, due to acute upper airway compromise. We report the case of a 75-year-old patient on chronic anticoagulation therapy for atrial fibrillation, who presented with sudden painful neck bulging and dysphagia. Physical examination revealed a hard mass on the anterior left side of the neck. Preliminary laryngoscopy was normal. The diagnosis was made using ultrasonography and further characterization with computed tomography, showing haemorrhage of a thyroid nodule with capsular disruption and diffusion of the haematoma to the deep cervical spaces, causing important tracheal deviation and hypopharynx compression. The patient developed dyspnoea and ultimately required urgent hemithyroidectomy. This case also highlights the importance of having a high index of clinical suspicion and prompt imaging in patients with atypical presentations of a neck mass.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A hemorragia espontânea da tiroide é rara, mas pode ser uma condição potencialmente fatal nos casos graves, por compromisso agudo da permeabilidade da via aérea superior. Apresentamos o caso clínico de uma mulher de 75 anos cronicamente anticoagulada, por fibrilhação auricular, que recorre ao Serviço de Urgência por tumefação cervical dolorosa de aparecimento súbito, com disfagia. Ao exame objetivo apresentava uma massa dura e dolorosa na vertente anterior paramediana esquerda do pescoço. A laringoscopia preliminar foi normal. O diagnóstico foi feito por ecografia e posterior caracterização com tomografia computorizada, que revelaram hemorragia de nódulo tiroideu, com disrupção capsular e extensão do hematoma para os espaços cervicais profundos, causando importante desvio traqueal e compressão da hipofaringe. Pelo agravamento clínico com desenvolvimento de dispneia, procedeu-se a hemitiroidectomia urgente. Este caso destaca a importância de um elevado índice de suspeição clínica e avaliação imagiológica atempada em doentes com apresentações atípicas de massa cervical.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Thyroid gland]]></kwd>
<kwd lng="en"><![CDATA[Thyroid nodule]]></kwd>
<kwd lng="en"><![CDATA[Thyroidectomy]]></kwd>
<kwd lng="en"><![CDATA[Haematoma]]></kwd>
<kwd lng="en"><![CDATA[Neck.]]></kwd>
<kwd lng="pt"><![CDATA[Glândula tiroide]]></kwd>
<kwd lng="pt"><![CDATA[Nódulo da tiroide]]></kwd>
<kwd lng="pt"><![CDATA[Tiroidectomia]]></kwd>
<kwd lng="pt"><![CDATA[Hematoma]]></kwd>
<kwd lng="pt"><![CDATA[Pescoço.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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