<?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>S2795-50012022000100047</article-id>
<article-id pub-id-type="doi">10.24875/pjd.m22000008</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Perforating necrobiosis lipoidica in an old surgical scar]]></article-title>
<article-title xml:lang="pt"><![CDATA[Necrobiose lipoidica perfurante sobre antiga cicatriz cirúrgica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Relvas]]></surname>
<given-names><![CDATA[Maria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morgado]]></surname>
<given-names><![CDATA[Francisca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cardoso]]></surname>
<given-names><![CDATA[José C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gonçalo]]></surname>
<given-names><![CDATA[Margarida]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Coimbra University Hospital Center Dermatology Department ]]></institution>
<addr-line><![CDATA[Coimbra ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>80</volume>
<numero>1</numero>
<fpage>47</fpage>
<lpage>50</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2795-50012022000100047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2795-50012022000100047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2795-50012022000100047&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Necrobiosis lipoidica (NL) is an idiopathic granulomatous disease, frequently associated with diabetes mellitus. Histologically, it is characterized by palisaded granulomas involving the deep dermis, but the epidermis is usually spared. We describe a case of perforating NL (PNL), a rare variant of NL, occurring in an atypical location&#8211;an old surgical scar on the elbow&#8211;in a 70-year-old, non-diabetic, female patient. Histopathological examination of a skin biopsy demonstrated a palisading granulomatous infiltrate involving the full dermis, with an area of epidermal invagination and transepithelial elimination of necrotic material. Clinically, the particularity of PNL is the presence of multiple hyperkeratotic plugs or plaques, within a typical lesion of NL, which correspond to the necrobiotic material being eliminated through the epidermis. Treatment of PNL is still challenging, mainly due to its rarity. Our patient was treated with clobetasol propionate ointment 0.05% one daily, with significant improvement.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A necrobiose lipoidica é uma doença granulomatosa idiopática, frequentemente associada a diabetes mellitus. Histologicamente, caracteriza-se por granulomas em paliçada que envolvem a derme profunda, estando a epiderme geralmente poupada. Descrevemos o caso de uma variante rara de necrobiose lipoidica, denominada necrobiose lipoidica perfurante, numa localização atípica - uma antiga cicatriz cirúrgica no cotovelo - numa doente de 70 anos, não diabética. O exame histopatológico demonstrou infiltrado granulomatoso em paliçada, ocupando toda a espessura da derme, com uma área de invaginação epidérmica e eliminação transepitelial de material necrótico. Clinicamente, a necrobiose lipoidica perfurante distingue-se pela presença de múltiplos rolhões ou pequenas placas hiperqueratóticas, sobrepostas a uma lesão típica de necrobiose lipoidica, correspondendo ao material necrótico em eliminação pela epiderme. Devido à sua raridade, o tratamento da necrobiose lipoidica perfurante é ainda desafiante. A nossa doente foi medicada com pomada de propionato de clobetasol 0,05% uma vez por dia, demonstrando melhora significativa.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Cicatrix/complications]]></kwd>
<kwd lng="en"><![CDATA[Necrobiosis lipoidica]]></kwd>
<kwd lng="en"><![CDATA[Surgical wound]]></kwd>
<kwd lng="pt"><![CDATA[Cicatriz/complicações]]></kwd>
<kwd lng="pt"><![CDATA[Ferida cirúrgica]]></kwd>
<kwd lng="pt"><![CDATA[Necrobiose lipoídica]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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