<?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>1029-3019</journal-id>
<journal-title><![CDATA[MEDISAN]]></journal-title>
<abbrev-journal-title><![CDATA[MEDISAN]]></abbrev-journal-title>
<issn>1029-3019</issn>
<publisher>
<publisher-name><![CDATA[Centro Provincial de Información de Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1029-30192021000100026</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización clinicoepidemiológica y supervivencia de pacientes menores de 19 años con leucemia]]></article-title>
<article-title xml:lang="en"><![CDATA[Clinical epidemiological characterization and survival in patients under 19 years with leukemia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Querol Betancourt]]></surname>
<given-names><![CDATA[Nodalys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chávez Isla]]></surname>
<given-names><![CDATA[Margarita Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Leblanch Fernández]]></surname>
<given-names><![CDATA[Coralia Cristina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jimenez Portuondo]]></surname>
<given-names><![CDATA[Niurbis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas Hospital Infantil Sur Docente Dr. Antonio María Béguez César ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2021</year>
</pub-date>
<volume>25</volume>
<numero>1</numero>
<fpage>26</fpage>
<lpage>40</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1029-30192021000100026&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1029-30192021000100026&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1029-30192021000100026&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La leucemia es el cáncer más frecuente en la infancia y representan 41 % de todas las neoplasias malignas en niños menores de 15 años.  Objetivo:  Describir las características clinicoepidemiológicas y supervivencia de niños y adolescentes con leucemia.  Método: Se realizó un estudio descriptivo, longitudinal y retrospectivo de 82 pacientes menores de 19 años de edad, con diagnóstico de leucemia, atendidos en el Servicio Regional de Hematología del Hospital Infantil Sur Docente Dr. Antonio María Béguez César de Santiago de Cuba, desde enero de 2014 hasta diciembre de 2018.  Resultados:  En la casuística predominaron el grupo de 1-4 años de edad (42,7 %), el sexo masculino (59,7 %), los mestizos (48,8 %), la leucemia linfoide aguda como variante morfológica (73,2 %), así como el síndrome anémico y febril (97,7 y 86,6 %, respectivamente). En 89,0 % de los pacientes se logró la remisión completa al finalizar la primera fase del tratamiento y 17,1 % presentó algún tipo de recaída en su evolución, donde la médula ósea resultó ser el sitio más afectado. Se logró una supervivencia global de 67,1 %.  Conclusiones: Los resultados del estudio no difieren del contexto clínico y epidemiológico mundial y resultan alentadores, teniendo en cuenta la no disponibilidad en la provincia de medios de diagnóstico, con tecnología de avanzada, para una mejor estratificación de los pacientes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Leukemia is the most frequent cancer in childhood and represents 41 % of all the malignancies in children under 15 years.  Objective:  To describe the clinical epidemiological characteristics and survival in children and adolescents with leukemia.  Method:  A descriptive, longitudinal and retrospective study of 82 patients under 19 years, with diagnosis of leukemia was carried out. They were assisted in the Regional Service of Hematology at Dr. Antonio María Béguez César Teaching Southern Children Hospital in Santiago de Cuba, from January, 2014 to December, 2018.  Results:  In the case material there was a prevalence of the 1-4 age group (42.7 %), male sex (59.7 %), mixed race children (48.8 %), acute lymphoid leukemia as morphological variant (73.2 %), as well as the anemic and fever syndrome (97.7 and 86.6 %, respectively). Complete remission was achieved in 89.0 % of the patients after concluding the first phase of the treatment and 17.1 % presented some type of relapse during their clinical course, where the most affected site was the bone marrow. A global survival of 67.1 % was achieved.  Conclusions:  The results of the study are encouraging and do not differ from the world clinical and epidemiological context, taking into account the non availability of diagnosis means in the province, with advanced technology, for a better stratification of patients.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[niño]]></kwd>
<kwd lng="es"><![CDATA[adolescente]]></kwd>
<kwd lng="es"><![CDATA[leucemia]]></kwd>
<kwd lng="es"><![CDATA[enfermedad maligna]]></kwd>
<kwd lng="es"><![CDATA[supervivencia]]></kwd>
<kwd lng="es"><![CDATA[hospital pediátrico]]></kwd>
<kwd lng="es"><![CDATA[atención secundaria de salud]]></kwd>
<kwd lng="en"><![CDATA[child]]></kwd>
<kwd lng="en"><![CDATA[adolescent]]></kwd>
<kwd lng="en"><![CDATA[leukemia]]></kwd>
<kwd lng="en"><![CDATA[malignancy]]></kwd>
<kwd lng="en"><![CDATA[survival]]></kwd>
<kwd lng="en"><![CDATA[children hospital]]></kwd>
<kwd lng="en"><![CDATA[secondary health care]]></kwd>
</kwd-group>
</article-meta>
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