<?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>2011-7582</journal-id>
<journal-title><![CDATA[Revista Colombiana de Cirugía]]></journal-title>
<abbrev-journal-title><![CDATA[rev. colomb. cir.]]></abbrev-journal-title>
<issn>2011-7582</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Cirugía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2011-75822021000200248</article-id>
<article-id pub-id-type="doi">10.30944/20117582.838</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Microcarcinoma papilar de tiroides: ¿es adecuada la selección para protocolo de vigilancia activa?]]></article-title>
<article-title xml:lang="en"><![CDATA[Papillary thyroid microcarcinoma: is selection suitable for active surveillance protocol?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Figueroa-Bohórquez]]></surname>
<given-names><![CDATA[David Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pinillos-Navarro]]></surname>
<given-names><![CDATA[Pilar Carola]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Martínez]]></surname>
<given-names><![CDATA[Jorge Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Casallas-Cristancho]]></surname>
<given-names><![CDATA[Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León-Acero]]></surname>
<given-names><![CDATA[Jenniffer Juliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ardila-Torres]]></surname>
<given-names><![CDATA[Diego Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Buitrago]]></surname>
<given-names><![CDATA[Giancarlo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zuñiga-Pavia]]></surname>
<given-names><![CDATA[Sergio Fabián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Universitario Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Hospital Universitario Nacional de Colombia departamento de Cirugía de Cabeza y Cuello ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>36</volume>
<numero>2</numero>
<fpage>248</fpage>
<lpage>256</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2011-75822021000200248&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2011-75822021000200248&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2011-75822021000200248&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción. Los microcarcinomas papilares de tiroides son tumores de hasta 10 mm en su diámetro mayor. Su tratamiento es sujeto de debate y se propone, desde seguimiento clínico, hasta intervención quirúrgica temprana. Este estudio buscó identificar factores de riesgo relacionados con compromiso ganglionar, que permitan una mejor selección de los pacientes en nuestro medio, en quienes se propone manejo quirúrgico inmediato o vigilancia activa, en consonancia con la clasificación del riesgo de progresión.  Métodos. Estudio de cohorte analítica ambispectiva que incluyó pacientes con microcarcinoma papilar de tiroides llevados a tiroidectomía más vaciamiento central. Se caracterizó la población y se realizó un análisis de regresión logística multivariado para definir factores preoperatorios asociados al compromiso ganglionar. Adicionalmente, se evaluó de manera retrospectiva la eventual asignación a grupos de riesgo de progresión, según los criterios de Miyauchi, y su comportamiento respecto al estado nodal.  Resultados. Se incluyeron 286 pacientes. El 48,9 % presentó compromiso ganglionar, y de estos, el 33,5 % presentó compromiso ganglionar significativo, que modificó su clasificación de riesgo de recaída. De estos últimos, el 59,5 % hubiesen sido manejados con vigilancia activa, según los criterios propuestos por Miyauchi. Se identificó que la edad menor de 55 años, los ganglios sospechosos en la ecografía y los nódulos mayores de 5 mm, se relacionan con compromiso ganglionar significativo.  Discusión. El manejo quirúrgico inmediato parece ser una opción adecuada para pacientes con sospecha de compromiso ganglionar en ecografía preoperatoria, pacientes menores de 55 años y nódulos mayores de 5 mm. Es posible que los actuales criterios para definir vigilancia activa no seleccionen adecuadamente a los pacientes en nuestro medio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction.  Papillary thyroid microcarcinomas are tumors up to 10 mm in greatest diameter. Its treatment is subject of debate, and it is proposed from clinical follow-up to early surgical intervention. The aim of the study was to identify risk factors related to lymph node involvement, which allow a better selection of patients in our setting, in whom immediate surgical management or active surveillance is proposed, in accordance with the classification of risk of progression.  Methods.  Ambispective analytic cohort study that included patients with papillary thyroid microcarcinoma who underwent thyroidectomy and central dissection. The population was characterized and a multivariate logistic regression analysis was performed to define preoperative factors associated with lymph node involvement. Additionally, eventual assignment to progression risk groups, according to the Miyauchi criteria, and their nodal state were evaluated.  Results. 286 patients with papillary thyroid microcarcinoma were included. Among them, 48.9% had lymph node disease, and 33.5% had a significant lymph node disease that increased their relapse risk classification. Of the latter, 59.5% could have had a conservative treatment, under Miyauchi&#8217;s criteria. For ages &lt; 55 years old, suspect nodes in ultrasound and nodules &gt; 5 mm were identified as related to significant lymph node involvement.  Discussion. Immediate surgical management appears to be an appropriate option for patients with suspected lymph node involvement on preoperative ultrasound, patients younger than 55 years and nodules larger than 5 mm. It is possible that the current criteria for defining active surveillance do not adequately select patients in our setting.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[de la tiroides]]></kwd>
<kwd lng="es"><![CDATA[cáncer papilar tiroideo]]></kwd>
<kwd lng="es"><![CDATA[carcinoma papilar]]></kwd>
<kwd lng="es"><![CDATA[metástasis linfática]]></kwd>
<kwd lng="es"><![CDATA[tiroidectomía]]></kwd>
<kwd lng="es"><![CDATA[disección del cuello]]></kwd>
<kwd lng="en"><![CDATA[thyroid neoplasms]]></kwd>
<kwd lng="en"><![CDATA[papillary thyroid cancer]]></kwd>
<kwd lng="en"><![CDATA[papillary carcinoma]]></kwd>
<kwd lng="en"><![CDATA[lymphatic metastasis]]></kwd>
<kwd lng="en"><![CDATA[thyroidectomy]]></kwd>
<kwd lng="en"><![CDATA[neck dissection]]></kwd>
</kwd-group>
</article-meta>
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