<?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>2306-4102</journal-id>
<journal-title><![CDATA[Acta ortopédica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Acta ortop. mex]]></abbrev-journal-title>
<issn>2306-4102</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Ortopedia y Traumatología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2306-41022020000600422</article-id>
<article-id pub-id-type="doi">10.35366/99142</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Osteoblastoma con presentación atípica en cuboides]]></article-title>
<article-title xml:lang="en"><![CDATA[Osteoblastoma with atypical presentation in cuboid bone]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno-Hoyos]]></surname>
<given-names><![CDATA[LF]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Strassburger-Weidmann]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Anaya]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galindo-Agustín]]></surname>
<given-names><![CDATA[LO]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Ángeles Mocel  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,ISSEMyM Hospital Regional de Tlalnepantla ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad La Salle Facultad Mexicana de Medicina ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Ángeles Mocel  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>34</volume>
<numero>6</numero>
<fpage>422</fpage>
<lpage>425</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022020000600422&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022020000600422&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022020000600422&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  El osteoblastoma es un tumor osteoblástico benigno, agresivo y poco frecuente. Su localización más frecuente es en elementos posteriores de la columna vertebral y el sacro. La presentación en cuboides es excepcional.  Caso clínico:  Masculino de 50 años que inició padecimiento en 2005, con dolor y aumento de volumen en región dorsolateral del mediopié. En las radiografías se observa injerto óseo y una lesión en cuboides, radiotransparente, heterogénea, multilobulada, con bordes irregulares que sobrepasa la cortical lateral. Se realizó angiotomografía donde se observó la lesión hipervascularizada; en la gammagrafía se observó captación del tecnecio 99 y en la resonancia magnética se reporta una lesión con cambios postquirúrgicos, quística, multilobulada. Se tomó biopsia transquirúrgica con abundante tejido fibroconectivo, osteoblastos, nidos de tejido osteoide e hipervascularidad del estroma, aumento de celularidad sin atipias y escasas células gigantes multinucleadas. Se clasificó Enneking 2. Se inició tratamiento con resección y curetaje del tumor, crioterapia y colocación de injerto tricortical en el defecto óseo. Mostró buena evolución postquirúrgica. A los tres años del procedimiento quirúrgico se encuentra sin datos de actividad tumoral y asintomático. A pesar de que el osteoblastoma no se presenta de forma habitual en cuboides, debe tomarse en cuenta como diagnóstico diferencial.  Conclusión:  Los tumores óseos, a pesar de tener localizaciones habituales, pueden presentarse en zonas poco frecuentes y por lo tanto, el estudio completo clínico radiográfico e histopatológico en cada paciente es fundamental.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Osteoblastoma is a benign, aggressive and rare osteoblastic tumor. Its most common location is in later elements of the spine and sacrum. The cuboid presentation is exceptional.  Case report:  A 50-year-old male who began her condition in 2005, with pain and increased volume in the dorsolateral region of the middle foot. X-rays show bone grafting and a cuboid lesion, radiotransparent, heterogeneous, multilobed, with irregular edges that exceeds the lateral cortical. Angiotomography was performed where hypervascularized injury was observed; bone scan showed uptake of technetium 99, and MRI reported an injury with post-surgical, cystic and multilobed changes. Trans surgical biopsy was taken, increased atypia-free cellularity and few multinucleated giant cells were reported and Enneking 2 qualified. Treatment was initiated with resection of the tumor, cryotherapy, and placement of tricortical graft in the bone defect. He exhibited good post-surgical evolution. At three years of the surgical procedure, he`s without tumor and asymptomatic. Although osteoblastoma does not usually occur in cuboid, it should be taken into account as a differential diagnosis.  Conclusion:  Bone tumors, despite having common locations, can occur in rare areas and therefore the complete radiographic and histopathological clinical study in each patient is critical.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Osteoblastoma]]></kwd>
<kwd lng="es"><![CDATA[cuboides]]></kwd>
<kwd lng="es"><![CDATA[tumor óseo]]></kwd>
<kwd lng="es"><![CDATA[tratamiento]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico]]></kwd>
<kwd lng="en"><![CDATA[Osteoblastoma]]></kwd>
<kwd lng="en"><![CDATA[cuboid]]></kwd>
<kwd lng="en"><![CDATA[bone tumor]]></kwd>
<kwd lng="en"><![CDATA[treatment]]></kwd>
<kwd lng="en"><![CDATA[diagnosis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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