<?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>2795-5001</journal-id>
<journal-title><![CDATA[Portuguese Journal of Dermatology and Venereology]]></journal-title>
<abbrev-journal-title><![CDATA[Port J Dermatol Venereol.]]></abbrev-journal-title>
<issn>2795-5001</issn>
<publisher>
<publisher-name><![CDATA[Permanyer Publications]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2795-50012025000200143</article-id>
<article-id pub-id-type="doi">10.24875/pjdv.24000081</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Erythema induratum secondary to Pseudomonas aeruginosa bacteremia in an elderly patient: a rare case report]]></article-title>
<article-title xml:lang="pt"><![CDATA[Eritema induratum secundário a bacteriemia a Pseudomonas aeruginosa em doente idoso: relato de um raro caso clínico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[Mélissa M. de]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valejo-Coelho]]></surname>
<given-names><![CDATA[Margarida M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sampaio]]></surname>
<given-names><![CDATA[Rita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital de Egas Moniz Department of Dermatology and Venereology ]]></institution>
<addr-line><![CDATA[Lisbon ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital de Egas Moniz Department of Pathology ]]></institution>
<addr-line><![CDATA[Lisbon ]]></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>83</volume>
<numero>2</numero>
<fpage>143</fpage>
<lpage>146</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2795-50012025000200143&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2795-50012025000200143&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2795-50012025000200143&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Erythema induratum (EI) is a rare form of panniculitis, often associated with tuberculosis but which can be linked to other infections or idiopathic. We report a case of an atypical presentation of EI secondary to Pseudomonas aeruginosa bacteremia. An 84-year-old man with chronic kidney disease on hemodialysis was admitted for left leg cellulitis and Pseudomonas aeruginosa bacteremia. Despite antibiotic therapy, he developed nontender, erythematous nodules on his left leg. Histopathology revealed a mixed-pattern panniculitis consistent with EI. Targeted antibiotic therapy led to overall improvement. EI typically presents in adult women and rarely in elderly men. Differential diagnosis included infectious panniculitis, erythema nodosum and ecthyma gangrenosum. Negative microorganism stainingand a favorable antibiotic response confirmed the diagnosis. This case highlights a rare association of EI with infection by P. aeruginosa and emphasizes the importance of comprehensive diagnostic evaluation in atypical clinical presentations.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O eritema induratumé uma forma rara de paniculite, frequentemente associada à tuberculose, mas que também pode ser secundária a outras infeções ou ser idiopática. Apresentamos um caso de uma manifestação atípica de eritema induratumsecundário a bacteriemia por Pseudomonasaeruginosa. Um homem de 84 anos, com doença renal crónica sob hemodiálise, foi internado por celulite da perna esquerda e bacteriemia a Pseudomonasaeruginosa. Apesar da terapêutica antibiótica, desenvolveu nódulos eritematosos e indolores na perna esquerda. A histopatologia revelou um padrão misto de paniculite, consistente com o diagnóstico de eritema induratum. A terapêutica antibiótica direcionada levou a uma melhoria global do quadro clínico. O eritema induratumapresenta-se tipicamente em mulheres adultas, sendo raro em homens idosos. O diagnóstico diferencial incluiu paniculite infeciosa, eritema nodoso e ectima gangrenoso. A coloração negativa para microrganismos e a resposta favorável à terapêutica antibiótica confirmaram o diagnóstico. Este caso destaca uma associação rara entre o eritema induratume infeção por Pseudomonas aeruginosa, sublinhando a importância de uma avaliação diagnóstica abrangente em apresentações clínicas atípicas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Erythema induratum]]></kwd>
<kwd lng="en"><![CDATA[Pseudomonas aeruginosa]]></kwd>
<kwd lng="en"><![CDATA[Nodular vasculitis]]></kwd>
<kwd lng="en"><![CDATA[Panniculitis]]></kwd>
<kwd lng="pt"><![CDATA[Eritema Induratum]]></kwd>
<kwd lng="pt"><![CDATA[Pseudomonas aeruginosa]]></kwd>
<kwd lng="pt"><![CDATA[Vasculite nodular]]></kwd>
<kwd lng="pt"><![CDATA[Paniculite]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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