<?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>2182-2395</journal-id>
<journal-title><![CDATA[Revista da Sociedade Portuguesa de Dermatologia e Venereologia]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Soc Port Dermatol Venereol]]></abbrev-journal-title>
<issn>2182-2395</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Dermatologia e Venereologia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2182-23952021000200066</article-id>
<article-id pub-id-type="doi">10.29021/spdv.79.2.1313</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Recalcitrant Palmoplantar Pustulosis: Have You Considered Allergic Contact Dermatitis?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Neves]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Brasileiro]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendes-Bastos]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Hospitalar Universitário de Lisboa Central Hospital de Santo António dos Capuchos Department of Dermatology and Venereology]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital CUF Descobertas Dermatology Centre ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>79</volume>
<numero>2</numero>
<fpage>66</fpage>
<lpage>67</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2182-23952021000200066&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2182-23952021000200066&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2182-23952021000200066&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Palmoplantar pustulosis (PPP) is a chronic and relapsing disease of the palms and soles, which tends to be difficult to treat. Classically it was described as a subtype of psoriasis. Nowadays it is regarded as a separate entity, although plaque-type psoriasis affects concomitantly many patients with PPP. A link between allergic contact dermatitis (ACD) and PPP has been described, and the former may encompass a potential to perpetuate the latter. Hereby we report two cases of difficult to treat plantar pustulosis. Underneath the dermatosis&#8217;s refractive nature was an allergic sensitization to potassium dichromate and cobalt chloride. Leather shoes and leather insoles were commonly worn, and both allergens are employed by the leather industry. Clinical remission was achieved in both cases with allergen eviction. Patch testing must be considered in cases of PPP without response to treatment. If relevant sensitization is found, allergen eviction measures are mandatory.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO A pustulose palmoplantar (PPP) é uma doença crónica e recorrente das palmas e plantas, que tende a ser díficil de tratar. Classicamente era descrita como um subtipo de psoríase. Actualmente é considerada uma entidade distinta, embora psoríase em placas afecte concomitantemente muitos doentes com PPP. Uma relação entre dermite de contacto alérgica (DCA) e PPP já foi descrita, e a primeira acarreta um potencial de perpeptuar a última. Aqui descrevemos dois casos de pustulose plantar de tratamento díficil. Subjacente à natureza refractária da dermatose, encontrava-se uma sensitização alergénica ao dicromato de potássio e ao cloreto de cobalto. Sapatos e palmilhas de cabedal eram comumente usadas pelas doentes, e ambos os alergénios referidos são utilizados na indústria do cabedal. Remissão clínica foi atingida em ambos os casos com evicção alergénica. O testes epicutâneos devem ser considerados em casos de PPP refractários ao tratamento. Se for demonstrada sensibilização relevante, medidas de evicção alergénica são obrigatórias.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Dermatitis, Allergic Contact]]></kwd>
<kwd lng="en"><![CDATA[Foot Dermatoses]]></kwd>
<kwd lng="en"><![CDATA[Patch Tests]]></kwd>
<kwd lng="en"><![CDATA[Potassium Dichromate/adverse effects]]></kwd>
<kwd lng="pt"><![CDATA[Cobalto/efeitos adversos]]></kwd>
<kwd lng="pt"><![CDATA[Dermatite Alérgica de Contacto]]></kwd>
<kwd lng="pt"><![CDATA[Dermatoses do Pé]]></kwd>
<kwd lng="pt"><![CDATA[Dicromato de Potássio/efeitos adversos]]></kwd>
<kwd lng="pt"><![CDATA[Testes Epicutâneos.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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