<?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>2448-9190</journal-id>
<journal-title><![CDATA[Revista alergia México]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. alerg. Méx.]]></abbrev-journal-title>
<issn>2448-9190</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Inmunología Clínica y Alergia A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-91902022000100014</article-id>
<article-id pub-id-type="doi">10.29262/ram.v69i1.1000</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Piel y SARS-CoV-2 en pediatría]]></article-title>
<article-title xml:lang="en"><![CDATA[Skin and SARS-CoV-2 in pediatrics]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega-López]]></surname>
<given-names><![CDATA[María Claudia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Santa Fe de Bogotá Departamento de Pediatría ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</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>69</volume>
<numero>1</numero>
<fpage>14</fpage>
<lpage>20</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-91902022000100014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-91902022000100014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-91902022000100014&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La presentación clínica, curso de la enfermedad y resultado de la infección por SARS-CoV-2 en pediatría difieren de los observados en adultos. En una revisión de Hoang et al. se estimó que la prevalencia de las manifestaciones dermatológicas fue de 0.25 % de un total de 2445 niños con COVID-19 confirmada. Según Parri, se documentó 3 % en 100 niños. En la revisión sistemática de Shah et al. se analizaron 13 estudios que incluyeron 149 niños que cumplieron con los criterios de elegibilidad. La lesión maculopapular eritematosa acral fue la más común, también el eritema multiforme, el exantema de la varicela y las presentaciones similares a enfermedad de Kawasaki. La duración de las lesiones cutáneas fue de una a dos semanas en 43 %. La biopsia de piel de 18 casos reveló infiltrado linfocítico perivascular, infiltrado paracrino superficial y profundo y vasculitis linfocítica. La RT-PCR fue positiva en 13.8 %. Los marcadores serológicos analizados de virus de herpes simple y parvovirus B19 fueron negativos, y fueron positivos para Mycoplasma pneumoniae en dos de 20 casos. El mecanismo fisiopatológico de las lesiones en piel secundarias a infección por SARS-CoV-2 aún no se ha podido explicar; es probable que se trate de la combinación de uno o más mecanismos complejos, daños cutáneos directos inducidos por el virus, reacciones vasculíticas o lesiones indirectas o secundarias como consecuencia de una reacción inflamatoria sistemática. Se revisaron las publicaciones de 2019 a 2021 en PubMed como fuente principal de búsqueda, para lo cual se utilizaron palabras clave.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The clinical presentation, disease course, and outcome of SARS-CoV-2 infection in pediatrics differ from the presentation in adults. In a review by Hoang et al., the prevalence of dermatological manifestations was estimated in 0.25% of a total of 2,445 children with confirmed COVID-19. Similarly, the prevalence of skin manifestations was reported in 3% of 100 children in the Parri&#8217;s study. A systematic review by Shah et al. analyzed 13 studies with 149 children who met eligibility criteria. The acral erythematous maculopapular lesion was the most common, as well as erythema multiforme, varicella rash, and presentations similar to Kawasaki disease. The duration of the skin lesion was one to two weeks in 43%. Skin biopsy of 18 cases complete superficial and deep perivascular and paracrine lymphocytic infiltrate and lymphocytic vasculitis were reported. RT-PCR was positive in 13.8 % of the cases. The serological markers of herpes simplex virus and parvovirus B19 analyzed were negative, except for Mycoplasma pneumoniae in two of 20 cases. The pathophysiological mechanism of skin lesions secondary to SARS-CoV-2 infection has not yet been explained; likely to be a combination of one or more complex mechanisms, direct skin damages induced by the virus, vasculitis-like reactions either indirect or secondary injuries as a consequence of a systemic inflammatory reaction. Publications from years 2019 to 2021 are reviewed in PubMed as the main search source, using key words.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Skin]]></kwd>
<kwd lng="en"><![CDATA[Pernio erythema]]></kwd>
<kwd lng="en"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="en"><![CDATA[Vasculitis]]></kwd>
<kwd lng="en"><![CDATA[Interleukins]]></kwd>
<kwd lng="es"><![CDATA[Piel]]></kwd>
<kwd lng="es"><![CDATA[Eritema pernio]]></kwd>
<kwd lng="es"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="es"><![CDATA[Vasculitis]]></kwd>
<kwd lng="es"><![CDATA[Interleucinas]]></kwd>
</kwd-group>
</article-meta>
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