<?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>1025-0255</journal-id>
<journal-title><![CDATA[Revista Archivo Médico de Camagüey]]></journal-title>
<abbrev-journal-title><![CDATA[AMC]]></abbrev-journal-title>
<issn>1025-0255</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de Camagüey]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1025-02552021000100013</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Mixofibrosarcoma de partes blandas: a propósito de un caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Soft tissue myxofibrosarcoma: a case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alvarez-López]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fuentes-Véjar]]></surname>
<given-names><![CDATA[Rodrigo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soto-Carrasco]]></surname>
<given-names><![CDATA[Sergio Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Lorenzo]]></surname>
<given-names><![CDATA[Yenima de la Caridad]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de Camagüey Hospital Universitario Manuel Ascunce Domenech Departamento de Ortopedia y Traumatología]]></institution>
<addr-line><![CDATA[Camagüey ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Católica de la Santísima Concepción  ]]></institution>
<addr-line><![CDATA[Concepción ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Católica de la Santísima Concepción  ]]></institution>
<addr-line><![CDATA[Concepción ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Ciencias Médicas de Camagüey Policlínico Universitario Tula Aguilera ]]></institution>
<addr-line><![CDATA[Camagüey ]]></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>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1025-02552021000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1025-02552021000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1025-02552021000100013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Fundamento:  los sarcomas de partes blandas son lesiones frecuentes en la actualidad y pueden afectar a un gran número de pacientes a cualquier edad, sus tipos histológicos son muy variados de allí el comportamiento clínico de estas enfermedades.  Objetivo: conocer una paciente con mixofibrosarcoma en la región anterior de la rodilla derecha. Presentación del caso: paciente de 56 años de edad, femenina de raza blanca con antecedentes de hipertensión arterial esencial, acude a la consulta externa de Ortopedia y Traumatología por referir tener una tumoración en la parte anterior de la rodilla derecha que se acompaña de ligero dolor e incapacidad funcional. Esta apareció hace dos años, pero ha incrementado su tamaño de forma rápida en los últimos tres meses. Al tener en cuenta todos los elementos anteriores, se decidió llevar a la paciente al quirófano, para tratamiento de tipo quirúrgico, donde se realizó exéresis de la tumoración descrita con anterioridad a través del tejido sano circundante con margen de seguridad. La pieza fue enviada al departamento de anatomía patológica para estudio histológico, que luego informó tumoración de tipo mixofibrosarcoma.  Conclusiones: el mixofibrosarcoma es una lesión maligna que se localiza en la extremidad inferior, de crecimiento lento con ausencia o poco dolor, los medios imagenológicos aportan información muy importante para su diagnóstico, en específico el ultrasonido de alta resolución y la imagen de resonancia magnética. El tratamiento quirúrgico oportuno mediante la resección amplia mejora el pronóstico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ ABSTRACT  Background:  soft tissue sarcomas are frequent lesions today and can affect a large number of patients at any age, their histological types are very varied hence the clinical behavior of these entities.  Objective:  to present a patient with myxofibrosarcoma in the anterior region of the right knee.  Case report:  56-year-old white woman with a history of essential arterial hypertension, who goes to the outpatient department of Orthopedics and Traumatology for referring to having a tumor in the anterior part of the right knee that is accompanied by slight pain and functional disability. It appeared two years ago, but it has increased its size rapidly in the last three months. Taking into account all the previous elements, it was decided to take the patient to the operating room, for surgical treatment, where the tumor described above was removed surgically through the surrounding healthy tissue with safety margin, the piece was sent to the department of pathological anatomy for histological study, which later reported a tumor of myxofibrosarcoma type.  Conclusions:  myxofibrosarcoma is a malignant lesion that is located in the lower limb, of slow growth with absence of little pain, the imaging means provide very important information for its diagnosis, specifically high resolution ultrasound and magnetic resonance imaging. Timely surgical treatment through extensive resection improves the prognosis.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[RODILLA/diagnóstico por imagen]]></kwd>
<kwd lng="es"><![CDATA[NEOPLASIAS DE LOS TEJIDOS BLANDOS/cirugía]]></kwd>
<kwd lng="es"><![CDATA[SARCOMA/diagnóstico por imagen]]></kwd>
<kwd lng="es"><![CDATA[SARCOMA/cirugía]]></kwd>
<kwd lng="es"><![CDATA[INFORMES DE CASOS]]></kwd>
<kwd lng="en"><![CDATA[KNEE/diagnostic imaging]]></kwd>
<kwd lng="en"><![CDATA[SOFT TISSUE NEOPLASMS/surgery]]></kwd>
<kwd lng="en"><![CDATA[SARCOMA/diagnostic imaging]]></kwd>
<kwd lng="en"><![CDATA[SARCOMA/surgery]]></kwd>
<kwd lng="en"><![CDATA[CASE REPORT]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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