<?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>S2183-13512026000300902</article-id>
<article-id pub-id-type="doi">10.25748/arp.42089</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Male Adult Breast Hamartoma]]></article-title>
<article-title xml:lang="pt"><![CDATA[Hamartoma Mamário num Homem Adulto]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernandes]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Saldanha]]></surname>
<given-names><![CDATA[Lourenço]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lameiras]]></surname>
<given-names><![CDATA[Raquel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Garcia de Orta Serviço de Radiologia ]]></institution>
<addr-line><![CDATA[Almada ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2026</year>
</pub-date>
<volume>38</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2183-13512026000300902&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2183-13512026000300902&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2183-13512026000300902&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract A 43-year-old man presented with a slowly growing periareolar lump. Mammography and ultrasound showed a well-defined encapsulated oval mass with intermixed fat and fibroglandular tissue, creating the classic &#8220;breast-within-a-breast&#8221; appearance. Male breast hamartoma is exceedingly rare-fewer than ten cases reported-but its hallmark imaging allows confident diagnosis without biopsy. The lesion was categorised BI-RADS 2, and annual clinical follow-up was recommended. This case highlights the value of recognising this benign entity and sparing unnecessary intervention.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Homem de 43 anos com nódulo periareolar direito de crescimento lento. Realizou mamografia e ecografia, que revelaram uma massa oval encapsulada, com mistura de gordura e tecido fibroglandular, configurando o clássico &#8220;breast-within-a-breast&#8221;. O hamartoma mamário é raro no sexo masculino - menos de uma dezena de casos descritos -, mas quando apresenta aspeto típico dispensa biópsia. A lesão foi classificada como BI-RADS 2 e recomendou-se vigilância clínica anual. O caso sublinha a importância de reconhecer esta entidade benigna e evitar procedimentos invasivos.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Hamartoma]]></kwd>
<kwd lng="pt"><![CDATA[Neoplasia da mama]]></kwd>
<kwd lng="pt"><![CDATA[Homem]]></kwd>
<kwd lng="pt"><![CDATA[Mamografia]]></kwd>
<kwd lng="pt"><![CDATA[Ecografia]]></kwd>
<kwd lng="pt"><![CDATA[Mama.]]></kwd>
<kwd lng="en"><![CDATA[Hamartoma]]></kwd>
<kwd lng="en"><![CDATA[Breast neoplasms]]></kwd>
<kwd lng="en"><![CDATA[Male]]></kwd>
<kwd lng="en"><![CDATA[Mammography]]></kwd>
<kwd lng="en"><![CDATA[Ultrasonography]]></kwd>
<kwd lng="en"><![CDATA[Mammary.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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</back>
</article>
