<?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>2954-3835</journal-id>
<journal-title><![CDATA[Cardiovascular and metabolic science]]></journal-title>
<abbrev-journal-title><![CDATA[Cardiovasc. metab. sci]]></abbrev-journal-title>
<issn>2954-3835</issn>
<publisher>
<publisher-name><![CDATA[Asociación Nacional de Cardiólogos de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2954-38352019000100034</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Leiomyosarcoma: an unusual cardiac tumor. Case report and literature review]]></article-title>
<article-title xml:lang="es"><![CDATA[Un tumor cardiaco infrecuente: leiomiosarcoma. Reporte de caso y revisión de la literatura]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Miranda-Aquino]]></surname>
<given-names><![CDATA[Tomás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro-Gallegos]]></surname>
<given-names><![CDATA[Paulina Estefanía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pineda-De Paz]]></surname>
<given-names><![CDATA[Dulman Omar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Machuca-Hernández]]></surname>
<given-names><![CDATA[Michel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[James-Santana]]></surname>
<given-names><![CDATA[José Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lomelí-Sánchez]]></surname>
<given-names><![CDATA[Oscar Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-del Río]]></surname>
<given-names><![CDATA[Jorge Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Padilla]]></surname>
<given-names><![CDATA[Christian]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Civil de Guadalajara «Fray Antonio Alcalde»  ]]></institution>
<addr-line><![CDATA[ Jalisco]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Civil de Guadalajara «Fray Antonio Alcalde»  ]]></institution>
<addr-line><![CDATA[ Jalisco]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Civil de Guadalajara «Fray Antonio Alcalde»  ]]></institution>
<addr-line><![CDATA[ Jalisco]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>30</volume>
<numero>1</numero>
<fpage>34</fpage>
<lpage>37</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2954-38352019000100034&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2954-38352019000100034&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2954-38352019000100034&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: A 17-year-old female was admitted to the hospital with progressive shortness of breath. It started three weeks before admission, and initially presented only on moderate exertion, worsening until it was present at rest and accompanied with orthopnea. Five days before admission, she developed hemoptysis. Three days before, she had a syncope and was taken to the emergency department of a nearby hospital. After she was examined, an acute abdominal pain secondary to cholecystitis was diagnosed. Cholecystectomy was performed and as an additional finding, surgeons reported hepatomegaly and took a liver biopsy. After these, an abdominal and chest computed tomography (CT scan) with IV contrast was performed, where a right atrial tumor with pericardial extension was reported. Based on this, they decided to perform a transthoracic echocardiogram and discovered a hyper-echogenic right atrial tumor, covering the entire cavity and protruding through the tricuspid valve. She was transferred to our hospital and taken to cardiac surgery due to worsening heart failure symptoms, where 80% of the tumor was resected. A high grade leiomyosarcoma was reported. A couple weeks later, the patient died secondary to refractory septic shock.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Paciente femenino de 17 años, que comienza su padecimiento actual tres semanas previas, presentando disnea de medianos esfuerzos, progresando hasta presentar disnea en reposo y ortopnea, agregándose cinco días previos a su ingreso hemoptisis. Tres días antes presentó síncope, motivo por el cual es llevada al Servicio de Urgencias de otro hospital, donde diagnosticaron abdomen agudo secundario a colecistitis. Ingresó a colecistectomía, donde detectaron hepatomegalia, obteniendo biopsia. Se le indicó tomografía contrastada de tórax y abdomen donde detectan un tumor dependiente de la aurícula derecha con invasión de pericardio. Se realizó ecocardiograma transtorácico que demostró un tumor hiperecoico, que cubría la totalidad de la aurícula derecha, la cual protruía a través de la válvula tricúspide. Es trasladada a nuestro hospital y, secundario a insuficiencia cardiaca aguda, se le realizó cirugía, resecando 80% del tumor. Se confirmó por patología leiomiosarcoma de alto grado. La paciente fallece dos semanas después secundario a choque séptico refractario.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Cardiac tumor]]></kwd>
<kwd lng="en"><![CDATA[leiomyosarcoma]]></kwd>
<kwd lng="en"><![CDATA[right atrium]]></kwd>
<kwd lng="es"><![CDATA[Tumor cardiaco]]></kwd>
<kwd lng="es"><![CDATA[leiomiosarcoma]]></kwd>
<kwd lng="es"><![CDATA[aurícula derecha]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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