<?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>2184-0628</journal-id>
<journal-title><![CDATA[Gazeta Médica]]></journal-title>
<abbrev-journal-title><![CDATA[Gaz Med]]></abbrev-journal-title>
<issn>2184-0628</issn>
<publisher>
<publisher-name><![CDATA[Círculo Médico]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2184-06282025000200118</article-id>
<article-id pub-id-type="doi">10.29315/gm.906</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Neve Visual: Uma Síndrome Intrigante]]></article-title>
<article-title xml:lang="en"><![CDATA[Visual Snow: A Puzzling Syndrome]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[Isabel Pavão]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Albuquerque]]></surname>
<given-names><![CDATA[João Mateus de]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Faculdade de Medicina da Universidade de Lisboa Neurologia ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital CUF Tejo Serviço de Neurologia ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Nova Medical School  ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>12</volume>
<numero>2</numero>
<fpage>118</fpage>
<lpage>122</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2184-06282025000200118&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2184-06282025000200118&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2184-06282025000200118&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A síndrome de neve visual caracteriza-se pela presença contínua de uma perturbação visual, descrita como a perceção de pontos dinâmicos, em todo o campo visual, aliada a pelo menos dois outros sintomas que incluem palinopsia, fenómenos entópticos realçados, fotofobia e nictalopia. A enxaqueca e os acufenos são as suas comorbilidades mais prevalentes. Relatamos o caso de um doente de 51 anos, com síndrome de neve visual de início recente com fenómenos entópticos realçados, fotofobia e nictalopia. O doente já sofria de enxaqueca sem aura, acufenos e episódios esporádicos de vertigem, tendo desenvolvido a presente síndrome na sequência de um episódio inaugural de aura visual. Relatava ainda fotopsia espoletada pela movimentação cefálica. A terapêutica com lamotrigina melhorou parcialmente os sintomas. Discute-se o caso com base na literatura atual, com o intuito de chamar a atenção para esta síndrome ainda pouco conhecida e muitas vezes interpretada como um quadro não orgânico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Visual snow syndrome is characterized by the continuous presence of a visual disturbance, described as dynamic dots throughout the visual field, combined with at least two other symptoms, including palinopsia, enhanced entoptic phenomena, photophobia and nyctalopia. Migraine and tinnitus are the most prevalent comorbidities. We report the case of a 51-year-old patient with a recent onset of visual snow syndrome with enhanced entoptic phenomena, photophobia and nyctalopia. The patient had a history of migraine without aura, tinnitus and sporadic episodes of vertigo, and developed visual snow following episodes of visual aura. He also reported photopsia triggered by head movements. Lamotrigine therapy partially improved symptoms. Considering the extant literature, this case is discussed to draw attention to this recently described syndrome that is often misinterpreted as a non-organic disorder.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Enxaqueca com Aura]]></kwd>
<kwd lng="pt"><![CDATA[Fotofobia]]></kwd>
<kwd lng="pt"><![CDATA[Perturbações da Enxaqueca]]></kwd>
<kwd lng="pt"><![CDATA[Perturbações da Visão]]></kwd>
<kwd lng="en"><![CDATA[Migraine Disorders]]></kwd>
<kwd lng="en"><![CDATA[Migraine with Aura]]></kwd>
<kwd lng="en"><![CDATA[Photophobia]]></kwd>
<kwd lng="en"><![CDATA[Vision Disorders]]></kwd>
</kwd-group>
</article-meta>
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