<?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>S2183-13512021000100029</article-id>
<article-id pub-id-type="doi">10.25748/arp.21859</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Lemierre Syndrome: An Overlooked Diagnosis in Otherwise Healthy Patients]]></article-title>
<article-title xml:lang="pt"><![CDATA[Síndrome de Lemierre: Um Diagnóstico Esquecido em Doentes Previamente Saudáveis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[Patrícia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Ana Catarina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Catarina Abreu]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Unidade Local de Saúde de Matosinhos Serviço de Radiologia ]]></institution>
<addr-line><![CDATA[Matosinhos ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro Hospitalar e Universitário do Porto Serviço de Otorrinolaringologia ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>04</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>04</month>
<year>2021</year>
</pub-date>
<volume>33</volume>
<numero>1</numero>
<fpage>29</fpage>
<lpage>31</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2183-13512021000100029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2183-13512021000100029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2183-13512021000100029&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Lemierre Syndrome is a severe complication of an otorhinolaryngologic infection, resulting in septic thrombophlebitis, bacteriemia and septic emboli, most often in young and previously healthy patients. We present a case of a 24-year-old female patient, that develops an episode of syncope and multiorganic dysfunction, two days after the diagnosis of acute tonsillopharyngitis treated with intramuscular penicillin and anti-inflammatory drugs. Due to worsening of the clinical status, a computed tomography was performed and radiological findings were in keeping with Lemierre Syndrome. The continuous worsening of respiratory and cardiovascular dysfunction led to intensive care unit admission where the patient was submitted to extra-corporeal membrane oxygenation support. Despite being a rare entity, Lemierre Syndrome is potentially life-threatening, therefore it should be recognized as soon as possible. Given its unspecific clinical presentation, a high index of suspicion and radiological evaluation with computed tomography are needed to establish the diagnosis.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A Síndrome de Lemierre éumacomplicaçãograve de uma infeção do foro otorrinolaringológico, que resulta em tromboflebite séptica, com consequente bacteremia e êmbolos sépticos, manifestando-se maioritariamente em adultos jovens previamente saudáveis. Apresentamos o caso clínico de uma doente do sexo feminino com 24 anos que desenvolve quadro de síncope e disfunção multiorgânica dois dias após o diagnóstico de amigdalite aguda, tratada com penicilina intramuscular e anti-inflamatórios. Por agravamento clínico, é realizado estudo tomodensitométrico, cujos achados foram sugestivos de Síndrome de Lemierre. O agravamento da insuficiência respiratória e cardiovascular levaram à admissão da doente nos cuidados intensivos, onde foi submetida a oxigenação por membrana extra-corporal. Embora a Síndrome de Lemierre seja rara na era atual, é uma entidade potencialmente fatal, pelo que deve ser reconhecida o mais precocemente possível. Atendendo à sua apresentação clínica inespecífica, o diagnóstico implica alto índice de suspeição e, muitas vezes, avaliação radiológica por tomografia computorizada.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Embolism]]></kwd>
<kwd lng="en"><![CDATA[Sepsis]]></kwd>
<kwd lng="en"><![CDATA[Thrombosis]]></kwd>
<kwd lng="en"><![CDATA[Palatine Tonsil.]]></kwd>
<kwd lng="pt"><![CDATA[Embolia]]></kwd>
<kwd lng="pt"><![CDATA[Sépsis]]></kwd>
<kwd lng="pt"><![CDATA[Trombose]]></kwd>
<kwd lng="pt"><![CDATA[Amígdala.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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