<?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>1139-7632</journal-id>
<journal-title><![CDATA[Pediatría Atención Primaria]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Pediatr Aten Primaria]]></abbrev-journal-title>
<issn>1139-7632</issn>
<publisher>
<publisher-name><![CDATA[Asociación Española de Pediatría de Atención Primaria]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1139-76322021000400014</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diagnóstico diferencial del triángulo de Codman: a propósito de un tumor maligno]]></article-title>
<article-title xml:lang="en"><![CDATA[Differential diagnosis of Codman's triangle: about a malignant tumor]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Sebastián]]></surname>
<given-names><![CDATA[Alicia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Doctor Peset Servicio de Pediatría ]]></institution>
<addr-line><![CDATA[Valencia ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>23</volume>
<numero>92</numero>
<fpage>413</fpage>
<lpage>416</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1139-76322021000400014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1139-76322021000400014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1139-76322021000400014&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El triángulo de Codman es una reacción perióstica que puede indicar la presencia de un tumor maligno, siendo el osteosarcoma y sarcoma de Ewing los más frecuentemente asociados. Presentamos el caso de una adolescente mujer de raza negra que fue diagnosticada de probable tumor maligno ante la presencia de un triángulo de Codman en radiografía de fémur, confirmándose posteriormente mediante biopsia la presencia de un osteosarcoma. Es fundamental para el pediatra saber reconocer los hallazgos sospechosos de malignidad en la radiografía para así poder realizar un adecuado diagnóstico, que puede llegar a disminuir la morbimortalidad asociada a ciertas patologías o neoplasias.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Codman's triangle is a periosteal reaction that may indicate the presence of a malignant tumor, being osteosarcoma and Ewing's sarcoma the most frequently associated. We present the case of an adolescent black woman who was diagnosed with a probable malignant tumor in the presence of a Codman triangle on femur radiography, subsequently confirming the presence of an osteosarcoma by biopsy. It is essential for the pediatrician to know how to recognize suspicious findings of malignancy on radiography in order to make an adequate diagnosis, which can reduce the morbidity and mortality associated with certain pathologies or neoplasms.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Radiografía]]></kwd>
<kwd lng="es"><![CDATA[Triángulo de Codman]]></kwd>
<kwd lng="es"><![CDATA[Tumor maligno]]></kwd>
<kwd lng="en"><![CDATA[Codman's triangle]]></kwd>
<kwd lng="en"><![CDATA[Malignant tumor]]></kwd>
<kwd lng="en"><![CDATA[Radiography]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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</article>
