<?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>0001-6002</journal-id>
<journal-title><![CDATA[Acta Médica Costarricense]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. costarric]]></abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name><![CDATA[Colegio de Médicos y Cirujanos de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022016000300133</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Polimiositis secundaria a tuberculosis en un niño de 11 años]]></article-title>
<article-title xml:lang="en"><![CDATA[Polymyositis secondary to tuberculosis in an 11-year-old boy]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Retana-Solano]]></surname>
<given-names><![CDATA[Olga Natalia]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Porras]]></surname>
<given-names><![CDATA[Oscar]]></given-names>
</name>
</contrib>
</contrib-group>
<aff id="A">
<institution><![CDATA[,  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2016</year>
</pub-date>
<volume>58</volume>
<numero>3</numero>
<fpage>133</fpage>
<lpage>136</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022016000300133&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022016000300133&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022016000300133&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La polimiositis es una de las miopatías inflamatorias idiopáticas. Tiene una incidencia mundial estimada en 4 casos por cada millón de habitantes al año. Es considerada un diagnóstico de exclusión y se ha establecido una asociación con la infección por micobacterias. Se reporta el caso de un niño de 11 años de edad con polimiositis secundaria a tuberculosis. La polimiositis tuvo una adecuada respuesta a los corticosteroides, pero estos no fueron necesarios después del diagnóstico de una infección pulmonar por Mycobacterium tuberculosis. El tratamiento antifímico, sin la terapia con esteroides, permitió una resolución de ambas patologías y la evolución favorable del paciente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Polymyositis is one of the idiopathic inflammatory myopathies. It has an estimated worldwide incidence of 4 cases per million population per year. It is considered an exclusion diagnosis and a relationship with mycobacterial infection has been established. This article reports the case of an 11-year-old boy with polymyositis secondary to tuberculosis. Polymyositis had an adequate response to corticosteroids, but these were not needed after the diagnosis of a Mycobacterium tuberculosis lung infection. Anti-tuberculosis treatment without steroid therapy, allowed a resolution of both conditions and the favorable outcome of the patient.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[polimiositis]]></kwd>
<kwd lng="es"><![CDATA[tuberculosis]]></kwd>
<kwd lng="es"><![CDATA[miositis]]></kwd>
<kwd lng="es"><![CDATA[miopatías inflamatorias idiopáticas]]></kwd>
<kwd lng="en"><![CDATA[polymyositis]]></kwd>
<kwd lng="en"><![CDATA[tuberculosis]]></kwd>
<kwd lng="en"><![CDATA[myositis]]></kwd>
<kwd lng="en"><![CDATA[idiopathic inflammatory myopathies]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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