<?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>S2183-13512022000300030</article-id>
<article-id pub-id-type="doi">10.25748/arp.25724</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[PET com 2-[18F]-FDG no Diagnóstico Diferencial entre Doença de Alzheimer e Demência Frontotemporal]]></article-title>
<article-title xml:lang="en"><![CDATA[2-[18F]-FDG-PET in the Differential Diagnosis between Alzheimer&#8217;s Disease and Frontotemporal Dementia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marques]]></surname>
<given-names><![CDATA[Andreia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[Bruno]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loewenthal]]></surname>
<given-names><![CDATA[Cristina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Hospitalar de Lisboa Ocidental Serviço de Medicina Nuclear ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital da Luz Serviço de Medicina Nuclear ]]></institution>
<addr-line><![CDATA[Lisboa ]]></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>30</fpage>
<lpage>31</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2183-13512022000300030&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2183-13512022000300030&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2183-13512022000300030&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O diagnóstico diferencial entre Doença de Alzheimer e Demência Frontotemporal baseia-se na avaliação clínica, no entanto a PET com 2-[18F]-FDG permite o reconhecimento de diferentes padrões de metabolismo que são úteis na distinção destas entidades. Apresentamos o caso de um doente com suspeita clínica de Demência Frontotemporal e que realizou PET com 2-[18F]-FDG que evidenciou padrão de metabolismo característico de Doença de Alzheimer.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The differential diagnosis between Alzheimer's Disease and Frontotemporal Dementia is based on clinical evaluation, however 2-[18F]-FDG-PET allows the recognition of different metabolism patterns that are useful for distinguishing these entities. We present the case of a patient with the clinical suspicion of Frontotemporal Dementia who underwent 2-[18F]-FDG-PET, which showed a metabolism pattern characteristic of Alzheimer's Disease.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[PET]]></kwd>
<kwd lng="pt"><![CDATA[FDG]]></kwd>
<kwd lng="pt"><![CDATA[Doença de Alzheimer]]></kwd>
<kwd lng="pt"><![CDATA[Demência Frontotemporal.]]></kwd>
<kwd lng="en"><![CDATA[PET]]></kwd>
<kwd lng="en"><![CDATA[FDG]]></kwd>
<kwd lng="en"><![CDATA[Alzheimer's Disease]]></kwd>
<kwd lng="en"><![CDATA[Frontotemporal Dementia.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nobili]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Arbizu]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Bouwman]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Drzezga]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Agosta]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Nestor]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Walker]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Boccardi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[EANM-EAN Task Force for the prescription of FDG-PET for dementing neurodegenerative disorders. European association of nuclear medicine and european academy of neurology recommendations for the use of brain 18F-fluorodeoxyglucose positron emission tomography in neurodegenerative cognitive impairment and dementia: Delphi consensus.]]></article-title>
<source><![CDATA[Eur J Neurol.]]></source>
<year>2018</year>
<volume>25</volume>
<page-range>1201-17</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Foster]]></surname>
<given-names><![CDATA[NL]]></given-names>
</name>
<name>
<surname><![CDATA[Heidebrink]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Clark]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Jagust]]></surname>
<given-names><![CDATA[WJ]]></given-names>
</name>
<name>
<surname><![CDATA[Arnold]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Barbas]]></surname>
<given-names><![CDATA[NR]]></given-names>
</name>
<name>
<surname><![CDATA[DeCarli]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
<name>
<surname><![CDATA[Turner]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
<name>
<surname><![CDATA[Koeppe]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Higdon]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Minoshima]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[FDG-PET improves accuracy in distinguishing frontotemporal dementia and Alzheimer&#8217;s disease.]]></article-title>
<source><![CDATA[Brain]]></source>
<year>2007</year>
<volume>130</volume>
<page-range>2616-35</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marcus]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Mena]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Subramaniam]]></surname>
<given-names><![CDATA[RM.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Brain PET in the diagnosis of Alzheimer&#8217;s disease.]]></article-title>
<source><![CDATA[Clin Nucl Med.]]></source>
<year>2014</year>
<volume>39</volume>
<page-range>e413-22</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
