<?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>1870-7203</journal-id>
<journal-title><![CDATA[Acta médica Grupo Ángeles]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. Grupo Ángeles]]></abbrev-journal-title>
<issn>1870-7203</issn>
<publisher>
<publisher-name><![CDATA[Grupo Ángeles, Servicios de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-72032025000400389</article-id>
<article-id pub-id-type="doi">10.35366/120528</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Fractura multifragmentada del húmero proximal, la importancia de la valoración por resonancia magnética]]></article-title>
<article-title xml:lang="en"><![CDATA[Multifragmentary proximal humerus fracture, the importance of MRI assessment]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jaramillo Arriaga]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rebolledo Casas]]></surname>
<given-names><![CDATA[Joana Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enríquez Muñoz]]></surname>
<given-names><![CDATA[Eduardo Alfredo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez Ovis]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Ramírez]]></surname>
<given-names><![CDATA[Cynthia Nalleli]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez Pérez]]></surname>
<given-names><![CDATA[María de Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Angeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Angeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Angeles Pedregal  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2025</year>
</pub-date>
<volume>23</volume>
<numero>4</numero>
<fpage>389</fpage>
<lpage>391</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032025000400389&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032025000400389&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032025000400389&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Las fracturas del húmero proximal representan de 45 a 50% de las fracturas humerales, los principales factores de riesgo son las caídas, la edad, la osteoporosis y los deportes de alto impacto. El método diagnóstico inicial para la valoración de las estructuras óseas es la radiografía, se puede complementar con tomografía para valorar el trazo de fractura y características asociadas. Ante las fracturas multifragmentadas de trazo complejo, la tendencia del uso de resonancia magnética está en auge, ya que permite la valoración de estructuras miotendinosas y ligamentarias, las cuales son de valoración limitada ante estudios basados en radiación ionizante.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Proximal humerus fractures represent 45 to 50% of humeral fractures, and the main risk factors are falls, age, osteoporosis, and high-impact sports. The initial diagnostic method for assessing bone structures is radiography, which can be complemented with a tomographic study to assess the fracture line and associated characteristics. In multi-fragmentary fractures with complex lines, the trend of using magnetic resonance imaging is on the rise, as it allows the evaluation of myotendinous and ligamentous structures, which are limitedly evaluated in studies based on ionizing radiation.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[fractura multifragmentaria proximal del húmero]]></kwd>
<kwd lng="es"><![CDATA[unidad músculo-tendón-hueso]]></kwd>
<kwd lng="es"><![CDATA[resonancia magnética]]></kwd>
<kwd lng="en"><![CDATA[multifragmentary proximal humerus fracture]]></kwd>
<kwd lng="en"><![CDATA[muscle-tendon-bone unit]]></kwd>
<kwd lng="en"><![CDATA[magnetic resonance imaging]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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